Fuel problem

Tiny
ELDOG712000
  • MEMBER
  • 2000 GMC JIMMY
  • 6 CYL
  • 2WD
  • AUTOMATIC
Why am I over fueling on 3 and 5 cylinders
Saturday, July 2nd, 2011 AT 1:36 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Sounds like the no.3/5 injectors are leaking
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Saturday, July 2nd, 2011 AT 1:43 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
You have a problem with the spider injector system. It could be a leaking fuel line, leaking regulator or externally leaking injector. #3 and 5 are the cylinders that any leaking fluid will flow into because of their proximity.
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Saturday, July 2nd, 2011 AT 5:32 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
You need to open it up and investigate the FPR, Nut Kit and Poppet valves/lines those two are close by the nut kit-When those cylinder are fill with fuel -you gonna have a hard time cranking the engine over-
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Saturday, July 2nd, 2011 AT 11:02 PM

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