ruff idle
My A4 3.0 has a bit of a ruff idle when I come to a stop. The idle comes back up and runs smooth until the next stop. Last month I replaced 4 coil packs and 6 new plugs. I got better millage but the ruff idle is still there. I have read other comments about coil packs or a vacuum leak. Last year I installed the Hyperflow intake, which is a K/N type air filter. I seemed to notice this issue after I installed it but was not sure if I had the problem all the time. I did check to see if the original air box had a vacuum assist that would need to be plugged but no luck.
Any suggestions what I might look for? Should I carry a few coil pack in my trunk? |
i keep spare coil packs in my trunk. 8 actually. i have 4 hitachi e's and 4 of the standard ones that you get from audi
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Things to check:
Dirty MAF Clogged fuel filter Dirty throttle body Check the air filter and breather system for any obstructions Faulty sensor SOMEWHERE. Audis have tons of them Run a scan and see what faults come up |
^^^
and a cracked snub mount |
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