Quote:
Originally Posted by DavidBunin
Driving down the road, no symptoms, nothing wrong. The Check Engine light comes on. I take it to a local parts store and they read out code P0170. A local shop wants $100 just for a diagnostic, I haven't even asked the dealer yet.
The car runs fine, but I'm due for the state inspection this month and I can't pass with that light on.
Any likely causes for a "fuel trim" fault without any driveability problems?
David Bunin
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You can replace the MAF with new one, or go to NAPA and purchase some MAF cleaner and try it. I had the same problem on my '01 SLK230 a couple of years ago and cleaning it worked. No more CEL. Next time I might have to purchase a new MAF.
And yes....let the search feature be your friend.