Rough Idle & Strong Exhaust smell
40

Asked by Stephen Dec 21, 2018 at 07:26 AM about the 2005 GMC Yukon

Question type: Maintenance & Repair

My yukon has been running fine till yesterday when I got
gas at Mobil, now I have rough idle truck almost tried to die
out, and strong exhaust fumes.
Check engine light on and flashing, pulled codes and got
P0300 & P0455. I checked the air filter and MAF sensor and
they all looked clean.

Somebody please help

2 Answers
40

Stephen answered 5 years ago

Thank you and water in fuel would cause these issues all of a sudden?

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40

Stephen answered 5 years ago

LX30215 I tried your suggestion and truck ran good for 4 days now back to doing same thing any ideas??? Please help Thanks

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Your Answer:

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