Thread: stumble at idle

i have a little stumble at idle it doesnt affect the RPMs at all but you can feel the car shake from inside and you you can see the engine shake slightly but more then it should. ive replaced the PCV valve, the air filter is 4 months old, the fuel filter and fuel pump are 5 months old, i dont know what else to change. its a 99 GTP with 170k miles on it

Don't forget the EGR

i have no clue where the EGR is on my car would you mind posting a pic?

When was the last time you changed the plugs and wires? Agree on cleaning the MAF using actual MAF cleaner, not carb or brake cleaner. You will need a security torx bit to remove it.

When you replaced the PCV valve, did you reinstall the o-rings on it? If not, then it will cause a vac leak.

plugs and wires are gonna get done next week i know to use MAF cleaner (isnt it a T20 torx bit?) and no there was no o ring on it when i pulled the old one out im assuming it got stuck in there still so i just put the new one in, its been a week ive probably drove it 250miles and there hasn't been a vacuum leak yet