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How do I fix rough idle

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Hey Scotty, we have a 2013 Honda Pilot (120k miles) and everything runs great still, no issues while driving. When the car is in Drive and not driving, it feels and sounds like it has a sort of low rumble or rough idle. Dealer says they couldn’t find anything wrong, had new spark plugs and transmission fluid done recently and new timing belt too. Any ideas?

3 Answers
2

Clean the MAF sensor and run some fuel injector cleaner. 

1

Clean or replace the MAP sensor also and get the fuel pressure tested in addition to what @yaser recommended.  Please find a competent independent mechanic, not a dealer, for your services.

0

Run a diagnostic scan.

 

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