» » »

GMC Q&A

Ask Your Question

1996 GMC Yukon Question: engine sputters and misfires while driving

 

Question

tuttboys, 5.7L V8, Somerville, OH, March 25, 2011, 16:22
 Rookie

just started happening i have changes the spark pllugs, wires, and ignition coil engine is sputtering and misfiring

2 Answers
Flag This
  • Answer #1

    BMWRC March 25, 2011, 16:31
     Rookie

    CHECK FUEL PSI

    Reply
    Flag This
  • Answer #2

    Visitor, March 25, 2011, 17:38

    try to check the fuel pressure it should go up 5 - 10 psi when reving up if not fuel pump is bad

    Reply
    Flag This