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heresjohnny
heresjohnny

Rough sputtery idle ✅ Solved

2006
volkswagen
jetta
2.5
rough-idle

My Jetta has a sputter when idling in park. I don’t know what’s up. Car has 272Ks


I just replaced the spark plugs. Additional info: Sometimes when I start the car (Cold) and turn it off around 1 minute later, it has a significant rough idle the next time I start it.


Maybe I need new ignition coils?


heres a photo of idling in park (needle doesn’t move at all, it just sputters)

Rough sputtery idle ✅ Solved-cd4f #1-


✅ Solution

I corrected this issue by adding some Lucas injector cleaner into my gas tank. Injector in cylinder 5 must have been clogged (cyl 5 threw a misfire code before).

Rough sputtery idle ✅ Solved-cd4f #2-


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ThatChefBoy
ThatChefBoy

Does your jetta have an idle air control valve?


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ThatChefBoy :I'd try to give that a clean. Could try with some sea foam or something before actually removing anything.