Rough running while in gear
130

Asked by italianrob Jan 19, 2014 at 05:57 PM about the 1990 GMC Vandura G35

Question type: Maintenance & Repair

Hi John.. I have read the past with
dragonfly at the top here.. I'm experiencing
these same problems as him. . But I don't
have. Or can find this gm inline fuel
pressure tester. .I can however tell you that
when I cleaned out the throttle body it ran
smooth and i could Rev it up with no rough
idle or bog..i stop spraying and it bogs
stalls or back fires out the throttle
body.flames as well  .. I have done the other
checks you discussed. Changed rotor cap
plugs wires  . vacumn line. cleaned egr
valve haven't done the pcv valve.. Going to
change the fuel filter today. . My question is
about the idle smooth while spraying ..
1989 gmc vandura 2500 v8 305

2 Answers
130

italianrob answered 10 years ago

I changed fuel filter today it runs at idle fine now but in gear it feel like it misfire or something just not right still and back fires. . Checked the fuel injectors. They are spraying dome like spray each side

Mark helpful

Your Answer:

Related Questions

Vandura

Looking for a Used Vandura in your area?

CarGurus has 1 nationwide Vandura listings and the tools to find you a great deal.

Postal Code:

Shortcuts

Search GMC Vandura Questions

CarGurus Experts

  • #1
    Don Crisp
    Reputation
    340
  • #2
    Vincent Adams
    Reputation
    300
  • #3
    jamnblues
    Reputation
    250
View All

Find great deals from top-rated dealers

Search

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.