exercise. Read also: How to Quiet Exhaust Without Losing Performance. Plus, noise pollution is a real thing. Within a few seconds of this starting, there will be a loud sucking/hissing noise coming from the throttle body. Aug 19, 2021 · Why does my exhaust pop at idle? Exhaust pops in idle are typically due to one of two issues. Have a 99 Mack with an E7 haven't really worked on to many of these but it's got a popping sound coming out of the exhaust, I did find 2 unit pumps with broken Springs and replaced them. I have basically a stock 99 R1. i have had a popping sound at idle since new and recently i noticed that when i turn the bike off it has smoke coming out of the right side exhaust when i turn the bike of and it sits Dec 13, 2009 · Car makes popping noise from exhaust at idle Discussion in '2005+ Mustang GT 4. What you’ll hear is a clattering, tinny metal noise when you idle. Removed the carbs and did a deep cleaning which was well needed. Sep 08, 2019 · The heat of the exhaust can also bake the wiring going to/from them over time. Legal Noise Limits. 03-16-2007, 05:37 PM. Another cause of rattles under the car is a failing catalytic converter. Poor Idling. Mostly from the right side. Jun 12, 2007 · hi everyone. The problem may occur when the engine is hot or cold or when you are low on fuel. Truck has MSD coil packs and wires, GM platinum plugs, long tube headers, custom exhaust with Magnaflow cats, 2-in 2-out Flowmaster 40 series muffler, Airaid Jr CAI. Usually the popping starts after it has been idling for a minute or two. Loud noises: One of the first signs of an exhaust leak is a loud noise. Of course make sure there are no intake and exhaust A backfire is a loud pop or bang sound that comes from your exhaust pipes when your motorcycle is running. 9tdi awx Started the car this morning and a loud thumping noise from the engine bay after a closer look I removed the air ducting cowling from the top of the air and there was the noise but louder its something I haven't noticed ever before run the car Aug 12, 2019 · The Enzo was Ferrari's mid-engine flagship of the 2000s, complete with a naturally aspirated 6. I have a steady -15inHg at idle measured at the back of the plenum - is this in the normal range? I've found a couple of leaks: split pipe leading to climate contr Mar 14, 2018 · Good afternoon I have a1994 Pete 3406b model cat this morning I started hearing a popping noise out of my stacks almost like an exhaust issue my truck is running fine everything is good but while just sitting at an Idle it just has an ugly putt putt putt noise. Keep the ideas coming. This causes the popping noise and the high-pitched tone in the Today it just suddenly became popping sound whenever I play a round. Oct 07, 2021 · I changed àll plugs, I diagnosed that one of the coils is defective. The whining noise is quite loud. Another thought I have had about this decel pop so many guys have talked about, and I have too, on my '83 750. Dec 9, 2018 63 Jan 20, 2015 · Trucks an 06 2500 with EFI by Ryan, CAI, intake horn, and 5" exhaust. You do not hear this on a bike with a stock exhaust due to baffling of the exhaust. Oct 13, 2016 · Now when my car is turned on and Idle or when I turn it off after a trip, I believe I hear the Exhaust or something from underneath sounding like metal popping as it cools. Jun 28, 2015 · 17,869 Posts. Of course make sure there are no intake and exhaust Sep 26, 2009 · Joined Oct 27, 2007. if i blip the gas at idle it will rev nicely then pop alot out of exhaust. Nov 12, 2011 · 18 Posts. Why is your car popping at idle??? Hace 6 meses. The explosion is supposed to occur in the engine’s combustion chamber of your, and it, therefore, affects the functions of the motor. Highlight the zero percent column from 2,000 rpm to redline and enter in values from -40 to Aug 20, 2016 · I have had a popping noise from the exhaust at idle for a while which is kind of annoying and am currently chasing down vacuum leaks. The noise only happens at idle speed, as soon as you touch the accelerator it goes away completely. Individual cylinders "sniffing" or "spitting" up through intake horns at idle. Loud, Sporty Sound When Accelerating. The popopopoppping noise you describe sounds like when the load backs off (and when it would then be fuel rich as Bill W mentions). The threads on the spark plug ports in the cylinder head (s) can become stripped or missing when the spark plug is dislodged. If pressure is ok during idle and reving, Ttry disconnecting MAF and see if any difference on accel. For example, when slowing down with the engine brake it sounds monotone Jan 08, 2016 · Low idle and exhaust popping Starts up just fine and has a smooth idle at 950 rpms before the engine warms up. If you get onto an over lean cammed engine and rap the throttle it will blow black smoke. They opened engine and never lifted high enough to see my Jan 27, 2013 · The popping is usually from over lean because thats when you have oxygen in the exhaust and it can wait until the AFR is burnable in the exhaust and then you get a little pop. I took it for a quick spin around the block to see if it would smooth out and when I got back my cat converter was CHERRY red. Unplugging injector number one seems to make no or little effect on how it is running. I plan to put new plugs in it, an Akro slip on and an Ivan's jett kit ( needels only ). Sep 28, 2009 · This 'ticking' noise may be a slight leak from one of those welds, kind of like a small exhaust leak. Even the Corsa (which I have on my V) pops a little when the engine is cold, but it isn't bad. I have heard a strange noice from my MBP, and am not sure if this is expected or not. This only holds if you have a car with a mass airflow sensor or MAS/ MAF. 0L is becoming; more common and getting harder to diagnose. Once warm the popping sounding is still there and idle becomes rough. May 05, 2007 · Installed the Corsa Pacecar Pro 3. The owner, who is an old lady, took it to the cadillac dealer and they supposedly did a 55 point inspection and said that the idle was something in the enging that they couldn't diagnose without tearing it apart. As you accelerate, the noise gets louder and pretty soon you can’t even hear the radio or your passenger talking. However, it’s just started making a noise that’s got my scratching my head. Checked for leaked. Over time, the EGR valve can fail in the open or closed position. On 8/4/2010 at 9:59 PM, DONFRAMAC said: The standard exhaust 'box has a drilled hole, to allow drainage of acidic liquid, and on the overrun, this often creates a bobbling noise. The sound occurs when unburnt fuel exits the cylinder and is pushed out during the exhaust stroke before being ignited by the spark of the next cylinder Mar 27, 2020 · When a motorcycle engine has an emission system malfunction, such as an exhaust leak or a moment of running rich or running lean, backfire occurs as a result. And at the tailpipe, I can hear a sputtering/slight popping sound. Mar 16, 2007 · Popping in the exhaust is caused by unburnt fuel exploding in the header or manifold. He said before opening hood it has a misfire causing the jump. Dec 19, 2021 · 1986 Dodge B250 - sudden fast idle and low “thudding” sound from exhaust My 86 dodge van with the 318 engine recently acted up shortly after starting. Subject: Exhaust Popping/Snapping Noise When Vehicle is Hot, at Idle, Jan 25, 2016 · Discussion Starter · #1 · Jan 25, 2016. Seems to only do it random and when the engine is warmed up if anyone has seen this and would like to shed some light on the situation Aug 02, 2009 · Jeep Cherokee 1998 sport 4. According to New York City's Noise Code, sound is too loud if it can be heard: From 150 feet or more from a vehicle weighing less than 10,000 pounds. - posted in Engine: Gday guys, I need some help. Recently it has had a genuine Ford(Fomoco) coil pack and leads. checked spark plug and its fine what could it be? and i been getting only 420km on a 44L fill up after etune with 20% highway 80% city. I was standing at the rear of my car taking a leak today and I noticed as it idled, there was random popping like little mini backfires. It happens when exhaust gases leak at high pressure from a leak in the gasket or a rupture in the manifold. 4L, 3-valve engine may exhibit a ticking and/or knocking noise after reaching normal operating temperature, or may exhibit a rattle upon starting. Diesel Engines and Noise . Heat Shield. Nov 29, 2010 #5. Nov 11, 2001 · Anyone with a 1. Some systems include interchangeable baffles to achieve just the right sound and flow. The heat of your bike’s exhaust ignites the Jul 30, 2018 · Cummins 6. Aug 20, 2020 · 6. This is normal behavior. When the truck has warmed up it idles fine Oct 29, 2019 · The exhaust system is one of the most common culprits that can make it sound like your Chevy Silverado’s engine is rattling. don't think its ignition related unless the coil's bad. I have a popping noise coming from the right exhaust pipe at idle. The noise, which was a kind of clicking/creaking sound was coming from the metal panel which is attached to the lowest part of the dash (the 'apron' at your knees), and covers the steering column. If your car’s engine is making a shrieking sound it could be an issue with the serpentine belt May 17, 2010 · The 50 Series Delta Flow produces a very distinctive, throaty sound at higher RPM, much as one would expect from a Flowmaster muffler. Jan 23, 2005 · my RX8 has rough idle (popping in exhaust) unworth8s. They were very quiet. I can't replicate the sound, because it is completely random. With a trained ear, sometimes you can hear the vacuum leak. Aug 17, 2015 · The exhaust coming out of the resulting holes often makes a rhythmic ticking noise. Oct 24, 2016 · LC Torana 186 engine popping from exhaust on idle - posted in Engine: Hi have an issue with my Torana, on idle you can hear a popping noise from the exhaust. Mostly I notice this idling at stoplights. Hey guys first post, but I’ve been having some issues with my 6. 4 Well-Known Member. Jan 30, 2021 · Hi there, my 99 xc 500 is making a popping noise out the exhaust at idle only. You may have incorrect timing, a lame cylinder that isn't burning all the fuel. For older Magnetti-Marelli fuel injected bikes, adjusting the fuel table to remove fuel can help reduce popping. B Periodically during cranking, the engine timing would appear May 19, 2019 · Popping/Stuttering Sounds . Mar 09, 2020 · The popping sound when backfiring gets louder when aftermarket exhaust pipes or other parts are installed. Rider technique 2. 4. Runs great, pulls great, mileage as expected and no weird smells. This is the screw with the spring on it in the right front of the CV carburetor. Oct 11, 2017 · Re: Popping noise in exhaust in idle « Reply #9 on: October 16, 2017, 04:02:18 pm » I would leave the factory airbox in place until you've got to the bottom of the rough idle first, and get rid of that after market dump valve and put the OEM one back on. May 31, 2016 · CARS. May 02, 2013 · This was after replacing all the exhaust gaskets and re-sealing the cat pipe, etc as I had read the same thing the iceman talks of. Mar 03, 2013 · popping sound in exhaust at idle? S-Series General. Nov 05, 2011 · Exhaust Popping at Idle. Sep 24, 2013 · I am now getting this noise on my Abarth, only at low idleeven a hair above the lowest idle rpms and it goes away, its very annoying and something that has developed over just the last few days - I just crested 17,000 miles - looking under the hood and listening it appears to originate near the turbo but its hard to pin point. 12,664 Posts. Jan 28, 2022 · Hi, A friend asked me to look at his mower after some relatives had borrowed it-say no more. Apr 08, 2017 · And, will assume that your oil level is full. 0 6cyl. now; I`m getting pops (lots of) /backfire, and idle rpm is not stable . I'm not a mechanic, I just play one in my garage. Jun 12, 2015 · 4. It is most commonly seen in 2-stroke engines at an initial high rev. At a low idle (700rpm) my oil pressure is around 24#. The "service engine soon" light in the dash is on. Jan 08, 2016 · Low idle and exhaust popping Starts up just fine and has a smooth idle at 950 rpms before the engine warms up. Plugs were changed about 3 months ago. The first step I take to solve a rough idle issue is to start with a good tune up. Worn-out Ball Joint or Tie Rods. Rattling Noise Coming From the Exhaust System Jun 18, 2009 · If the noise is only a lighly audible knock at hot idle under 1,200 rpm, do not attempt to repair this normal engine noise. Rattling Noise Coming From the Exhaust System Feb 12, 2010 · It let's the bikes pass noise emissions. However, the noise it makes when revved sounds almost like it could be from a worn accessory bearing, maybe a power steering pump, smog pump, AC compressor or alternator. I got a 2001 v6 manual, with dual exhausts. May 14, 2019 · Excessive popping and backfiring could mean a blown exhaust A knock when braking could be a caliper or suspension problem Clattering and slapping could mean cam chain or tensioner A din from the Jan 09, 2010 · The car starts and runs great, Idle is about 700-750. Hi. No performance issues. The popping noise tells you something isn't It ran unevenly at idle speed accompanied by a rattling sound, a sulfur smell from the exhaust, and failure to free-rev beyond 2100 rpm. You found 694 car exhaust sound effects from . Now today when I try to kickstart it, it won't start and every few kicks, there is a popping noise coming from the air filter and a little bit of smoke comes out. Sounds like unburnt fuel coming out. The ball joints allow the steering knuckles, which I have popping noise coming from my sb chevy v8 exhaust. To prove it, try a 5w30 synth or 0w40 at your next oil change. May 05, 2018 · Exhaust leaks can cause decel pop, make sure the exhaust is sealed completely at the motor, and at any other connections. Joined May 23, 2001 · 3,035 Posts . A howling, whining or even “singing”. I think it is from the extra timing between cylinder three and four in the firing order. I changed out my exhaust hangers last weekend. Another operating characteristic is a slightly longer crank time when the Nov 28, 2018 · Rattling noise coming from the rear of your car and right in the area where the muffler is located is often interpreted as a sign of a loose muffler. Nov 14, 2019 · Gnewman. I felt it idling a little rough on the way home yesterday. This noise usually occurs every time your car takes off and slows down, but what causes it? It can also be due to a defective muffler, which would need to be replaced. The threads in cylinder heads may be replaced using “Lock-N-Stitch” aluminum inserts. Any suggestions? This also caused misfire. It is air being sucked in the port that is controlled by the IAC motor. Backfires During Shut-Off. S. I had about a 1/4 tank left, so I filled her up. Mar 05, 2020 · Most of issues attributed with poor fuel injectors are lean misfiring at idle (usually associated with a popping noise from the exhaust). Exhaust Gasket. COM — Most exhaust problems can be diagnosed by paying attention to unfamiliar sounds or taking a look underneath the car. I'm waiting on my CTS to arrive for codes. For instance, engine knocking when, working hard under load, like driving uphill, passing a slowpoke or towing a trailer. Oct 26, 2014 · After the runs, I let the car idle for a few mins and then shut her down at my buddies shop. 4L manual trans with running issues. After diagnosing everything at my level of knowledge and replacing the things that I think could cause this, the issue Feb 28, 2015 · rattle at idle As an update to my previous post about a rattling at idle in drive. 0L Turbo Powertrain (EJ Series Factory 2. Service Location. I now have a Gen 5 Whipple on my car as well and it still does it. High idle + exhaust popping ' The Engine Shop ' The Stovebolt Forums. Popping sound from your speakers or headphones could relate to your driver problem. 0-liter V-12 making 650 horsepower. It will happen after a car has accelerated hard, and as the throttle is let off and the revs decrease. 0L EcoBoost - Rattle Noise And Cracked Flexplate 19-2236 06 August 2019 Model: Ford 2015-2018 Edge Issue: Some 2015-2018 Edge vehicles equipped with a 2. 8T experiencing the "popping" from the exhause at idle? Even if I let the car warm up and drive a short distance (like getting to the end of a side street), at idle you can hear a series of pops from the rear of the car. City driving. Jul 02, 2012 · 2000 Crown Victoria, 207K miles, 111K on current engine My car has been an absolute champ since I took ownership of her at 133K miles, and to this day runs trouble-free. 8. If you do hear a popping sound but aren’t sure if it’s the exhaust causing it, try turning on your bike while it’s cold and listen to the characteristics of the popping sound. It took about an hour with no lift. When it is idling, the engine runs rough and emits a popping sound in the exhaust. Jul 12, 2014 · 1. runs great besides that. The popping sound isn't all that regular (as in every 1 second). The clicking sound you hear emanating from your direct inject Acura Jul 02, 2018 · The sound may be more noticeable during a cold start, but lessens once the engine is warm. Porcine Squealing. Low Idle. The sound is just one pop at a time, sometimes it’ll take a while to happen, it’s not a continual knock. It’s consistent with engine speed (higher RPM = faster puffs), and seems to get louder the more mercedessource Tech help - Diesel Purge can help you isolate the noise Internal engine noises can be very difficult to diagnose. I've always suspected that maybe my header exhaust gasket has a small leak on the passanger side, but im not positive. But once the engine warms up, this vibration and popping sounds go away. In other words, when I stomp it from a stand still, sometimes it misses and sometimes is goes like a bat of out hell, however the popping through the exhaust is consistent and mainly evident under part and consistent throttle. Dec 09, 2020 · When I give my car ('19 Challenger Hellcat 6-speed) a little rev in neutral, while stationary, it makes a very distinct change in the sound/pitch of the exhaust during the idle down (around 2300RPM) which prevents exhaust pops and crackles. The popping noise can also because by a bad you joint. These components fix the muffler to the chassis of your car. Jul 14, 2013 · If it starts popping out the exhaust its got a plugged idle jet. This can cause an air-tight pocket for exhaust The popping is a result of the air/fuel mixture becoming very lean when the throttle is closed and the engine is rotating well above idle speed. The popping noise is probably after fire. just over 3000. Have your dealer run your VIN to see if it falls in the range, FIRST. There is a random bumpiness present in the the idle. Jan 04, 2008 · The worst problem that I have had with the popping exhaust noise problem with Briggs is when they weren't fully loaded and the load was fluctuating causing the fuel mixture to be constantly changing. 0 and 2004 mystichrome cobra), Anyways it also makes a popping sound which my mechanic says is a LEAN MISFIRE, so i got some suggestions here and the main consensus was too replace the EGR and the TPS sensor, anyone else have any Aug 30, 2020 · My 2019 Bullitt has just developed a new sound coming from the engine bay. How To Fix Exhaust Rattles - EricTheCarGuy. Fordy · walking power. All was good. Sounds like a lean misfire condition. A diesel engine can ping, cling, clang and bang, and all the time you are wondering just what is acceptable and what is not. As with most supercars of the 2000s, it made a wonderful noise. It remains through acceleration. The valve only has to be open a tinny amount to get the result. Return engine speed to idle (verify knock returns). Now, ragged sound replaced with deep, throaty note. Apr 14, 2009 · Some popping/snapping noise from the exhaust system during cool down is a normal condition. Your issue isn't loose fittings, it's the flow and it's effect when the system is cold, which is why Jun 20, 2019 · Lumpy idle, bit of a misfire and exhaust popping more than usual. ) There are very few improvements that can be made to B&S engines so they will produce more horsepower and torque at 3,600 RPM. => No flames => No permanent popping ===> Only light sporty sound for a well tuned modded sport car Sep 29, 2004 · What causes popping sound from exhaust? Jump to Latest Follow 1 - 7 of 7 Posts. Its a newly built black efi 202 at 30thou with a m90 supercharger. Is this Jun 11, 2021 · Page 1 of 2 - 202 popping through exhaust at idle. Jan 30, 2019 · At idle engine vacuum is highest and thus if inside of the intake a bolt or something was in there it would move the most at idle. A car that backfires can sometimes be seen as a flame, but most often you will hear a loud popping sound followed by a loss in power and forward motion. If no change in engine sound, then don't worry about it as direct injection and higher pressure DI pump/inector make some noise. This is a fairly common symptom. More stock music or sound effects from the same categories. And, if you pay attention to the exhaust pipe at this time, you may even hear a popping sound. Oct 23, 2019 · Hello everyone. Their shape and size can even affect how your vehicle drives. Its a random light popping sound at idle, seems to be coming from the drivers side of the engine. The customer should be made aware that this service procedure is designed to reduce but not eliminate all exhaust system popping and snapping during cool down. When an engine is running rich, there is more fuel present than air, according to DoItYourself. Hey till then just do one manual check. Sep 26, 2009 · Joined Oct 27, 2007. someone told me it could be the turbo. Most times it runs absolutely fine. Browse our unlimited library of stock muscle car engine revving audio and start downloading today with a subscription plan. Oct 07, 2019 · 44 Posts. I was wondering if the irregular popping sound from the exhaust at idle is normal. Brakes squealing, grinding or growling. This change will only fix the problems in the RPM area below about 1200. I had a similar problem, it would make a loud pop out of the exhaust and had a rough idle that I could not dial out; It turned out one of my exhaust valves wasn't adjusted correctly and it was letting a small amount of fuel into the exhaust which would ignite after a enough had 'built up'. It will sometimes be accompanied by flames from the exhaust. Lots of idle. Is this loud along the lines of almost sounding like a backfire or is it just an intermittent "pop" here and there?Just installed a BSH competition catch can and as the title states I'm getting some white smoke from my exhaust at idle that doesn't occur with the stockHellhawk exhaust idle sound. sound. Hope this help you guys. The dealership says this is normal but think they are pulling my chain. Engine mounts loose. makes sense so far. The dealer can’t find any issues with it and it doesn’t throw any related codes to the engine. When the engine is cold and while it idles itself to warmth and 1500 rpm there is "Khat-Khat-Khat" sound than a "click". To fix it: 1) On your keyboard, press the Windows logo key and SPopping sound said: The sound chipset powers down after a specified time of inactivity to save power. If the converter becomes clogged, the exhaust cannot flow freely through it. To correct the As high-pressure exhaust escapes from a crack in the manifold or a leak in the gasket it will sound like ticking or clicking especially at idle or low engine RPMs. I bought this bike used with around 9K miles on it last fall. i can feel the burst of exhaust with my hand. It has 8700 miles. trip to the If the bike, when you let off the throttle, make loud and hard popping/cracking sounds, almost like firecrackers, it is likely to lean on the idle/pilot circuit. It is also necessary that the exhaust system have rather open mufflers. The actual sound reduction depends on the brand of silencer and ATV engine size. Popping sound from inside manifold. This is a sign of loose exhaust header bolts. my understanding is the timing or ignition has failed to complete a thorough process, hence the unignited fuel combusting in the exhaust manifold resignating a popping noise. Does it at 4 seconds, 7 seconds and 21 seconds. An idle system will have an idle jet/restriction that must be changed to supply the desired fuel mixture for idle and off idle engine demands. Most owners are advised to get the Harley Davidson re-tuned and re-jetted, especially after changing any exhaust system parts. A finger-snapping, popping or clicking sound when you turn. Got home and noticed some very slight exhaust pops and loping, kinda like my old carbed bikes used to when they needed cleaning. Why does my exhaust pop at idle?Idle exhaust popping sound 3. A backfire is a popping noise caused by gasoline igniting outside of the combustion chamber of the engine. who makes the loudest exhaust at idle. Getting the engine up to 2100 rpm required coaxing of the gas pedal. A litlle bit of gurgling. 2,978 Posts. Did tune up and ran great. I also hear a ticking sound as well that seems to be coming through the exhaust system?? The motor runs really strong though and these problems are only at idle. If not enough back pressure is present then unburned fuel may be exhausted, especially at lowera simple ? how come a duramax exhaust exhaust sounds like a whoosh sound and 6. Jul 27, 2016 · The noise im referring to is a ticking sound much like an exhaust leak when you apply throttle. A piston goes through the intake, compression, combustion and exhaust strokes every two revolutions of the crankshaft. Then set the valves at . Likewise, if your converter is cracked, it can result in an exhaust leak with similar results. #11 · Jun 29, 2015. #7 · Jun 2, 2012. You understand, though, that it's hard for even the most seasoned of experts on this board to diagnose problems based on what someone says it 'sounds' like. Has a popping in the exhaust that is intermittent at idle, but it does not seem to run rough when cold. It probably won’t cause to much of a problem for now, but could […] Nov 20, 2014 · Exhaust popping/pulsing at idle Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Exhaust popping/pulsing at idle This topic contains 6 replies, has 4 voices, and was last updated by Albert 7 years, 2 months ago . It's not horrible and have read online that my performance exhaust may lead Jun 20, 2019 · Lumpy idle, bit of a misfire and exhaust popping more than usual. He says it sometimes seems to go away when it warms up. Hi everyone, I've been hearing this gurgling noise come from the exhaust on my 2016 EX-T sedan only while idling, and it doesn't always happen. Dec 02, 2015 · Frequent high pitched squeeking noise coming from engine bay - shown in video - which comes and goes randomly when driving (it can be so loud it makes people turn their heads). IAC Valve Spark Plug Gap Plugged catalytic converter(s) the other o2 sensor Crank sensor Others????Started to hear a slight popping sound coming from the exhaust at low to mid Did not do a plug chop, but idled in for about 5 seconds after riding fairly hard for My popping sound on the 97 GTX goes away after 4,500 RPM, but not on theEver since then, there has been a periodic trumpet like humming sound coming from somewhere inside my exhaust pipe, but only under 1,000 RPMs. I'd pull all the plugs and do a compression test with the carb wide open. The timing of when you hear a lawn mower engine popping sound is a clue to what’s going wrong. You have a CV carb. idle. Jul 27, 2017 · This unburned fuel vapor mixture can then ignite inside the very hot muffler. As long as we are on the subject of exhaust I figured why not solve the rattle I've had in the Subaru exhaust since I got the car. Sep 09, 2013 · popping happens at idle only, about once every 5-10 seconds when warmed up. Jun 27, 2005 · The popping is a result of the air/fuel mixture becoming very lean when the throttle is closed and the engine is rotating well above idle speed. The check engine light may also come on, with codes P0300, P0171 and PO174. not that often on cold start. The only thing that helped was unplugging the fca, which maxes out rail pressure Oct 29, 2013 · 2004 - 2008 Ford F150 - Exhaust sputtering/popping sound/rough idle - So for about the last year, my truck has been idling kind of rough. The parts of the car’s engines will start working compliantly and ultimately will ruin the expected performance. 406 sbc, lopey cam, 10-11 inches vacuum at idle, 600 HP Fitech. I have been trying to solve a problem with a slight pop in my left exhaust. We decided to leave and on the way home, I did a short 5th gear roll in and once I got near my home I noticed on decel I was getting some faint popping from the exhaust, as I got close to home. 6L, 3-valve or 5. There is a limit to the amount of noise a vehicle's muffler or exhaust system may make on public roads where the speed limit is 35 miles per hour or less. It only happens maybe once every 3 or so times I take the car out. It only happens around 2000 rpm’s to about 2700. Kindof a "THUNK" noise from the drivers side, from in the car it probably sounds like it is blasting out the side of a loose exhaust manifold, am I right? Mar 01, 2017 · I own a 2017 loaded 2ss black bow tie six speed In the shop now five times for this popping noise coming from under car shock absorber manifold exhaust all replaced still popping metal noise after Jun 05, 2012 · Get shopping advice from experts, friends and the community! also noticed their was gas leaking out of the exhaust already checked gas flows unobstructed to carburetor also checked spark plug