While idling, I sometimes hear a popping from my exhaust. It pops a few times and then stops for a few minutes then it pops again. Car had a multi point check at VW and came up clean. Not sure what the problem is.
Take to midas Tori and they will check for free.
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Did you check the compression? If the compression is low then the most probable cause is the valves bent. Means the head has to come off.
If the compression is ok then have you got the HT leads on the right way or is the ignition timing ok. Check the resistance in the leads they have a tendancy to break down.
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Check the hose between the inletmanifold and the pipe to the brakeservo it normally gets old and a crack in so the engine sucks false air on cylinder 4, causing engine to run rough or uneven.
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you need to take out the passenger side light you will b able to get to the connections there hope this is helpful .
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Check for vacuum leaks. Also try cleaning the ISV.
If that doesnt work go to vwvortex.com and post your issue there
SOURCE: sluggish loss of power and popping noises from engine
I Have a 1995 Dodge Ram truck and it will once in awhile make popping noises or backfires through exhaust,then i lose power. but if i let off the accelerator it's ok until i step on the pedal,even if i peg it to the floor. I changed my spark plugs,but it still happens.Like i said though it doesn't happen all the time just occasionally.
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