Having problems with your 2003 GMC Yukon Denali ?

What are the symptoms when fuel pump goes bad on 2003 yukon danali

Posted / edited by AnonymousUser on : 16-07-2018

Answers :

When a fuel pump goes bad,you wont start,the signs before a failing fuel pump is excessive cranking, and the engine cough through the intake, a check engine light stating lean bank one and lean bank two.You would have a MAF (Mass air flow code).
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