I HAVE A 91 GMC C3500 WITH A 454 IT'S A 5.7 ENGINE AND ITS RUNNING LIKE CRAPE WHEN I TRY TO DRIVE IT IT WHANTS TO STALL OUT

10

Asked by Sep 06, 2015 at 07:43 PM about the GMC C/K 3500 Series

Question type: Maintenance & Repair

I HAVE A 91 GMC C3500 WITH A 454 IT'S A 5.7  ENGINE AND ITS
RUNNING LIKE CRAPE  WHEN I TRY TO DRIVE IT IT WHANTS TO
STALL OUT THE IDEL GO'S UP AND DOWN  SOME TIMES WHEN I
COME TO A STOP IT CUTS OFF I UNPLUG THE TEMP SWITCH AND IT
RUNS BETTER BUT AT HIGH IDEL  STUFF I DID SO FAR BUT NO LUCK  
I DID A FULL TUNE UP AND THE FUEL PUMP  I CHANGED THE TEMP
SWITCH  SPARK PLUGS AND ROTA  AND CAP AND SPARK PLUG
WIRES PCV VALE OIL OIL FILTER AND I REBUILD THE FULL
THROTTLE BODY  I CHECKED THE TPS SENSER  AND STILL NO LUCK

2 Answers

30,925

does it have codes??it must...

1 people found this helpful.
10

YEA CODE 15- coolant sensor or circuit/ low temp indicated I JUST INSTALLED THAT SENSOR LAST WEEK NEW FOR AUTO ZONE BUT IT STILL DOING THE SAME THING THE IDOL NORMAL THEN DROPS DOWN LOW AND GO'S BACK UP WHEN I STOP A THE LIGHT SOMETIMES IT CUT'S OFF OUT OF NO WHERE AND IT STARTS RIGHT BACK UP

1 people found this helpful.

Your Answer:

C/K 3500 Series

Looking for a Used C/K 3500 Series in your area?

CarGurus has 17 nationwide C/K 3500 Series listings and the tools to find you a great deal.

ZIP:

GMC C/K 3500 Series Experts

  • #1
    Kelly Mayo
    Reputation
    30
  • #2
    tonephillyboy
    Reputation
    10
  • #2
    firebird338
    Reputation
    10
View All

Related Models For Sale

Used GMC Sierra 3500HD
59 Great Deals out of 5,631 listings starting at $9,995
Used Chevrolet C/K 3500
192 listings starting at $3,500
Used Ford F-250 Super Duty
487 Great Deals out of 40,156 listings starting at $2,700
Used GMC Sierra Classic 3500
47 listings starting at $11,900
Used GMC Sierra 2500HD
145 Great Deals out of 17,680 listings starting at $2,995
Used Chevrolet C/K 2500
183 listings starting at $3,950
Used GMC Savana Cargo
21 Great Deals out of 2,590 listings starting at $1,800
Used Chevrolet Silverado 3500HD
160 Great Deals out of 10,549 listings starting at $6,990
Used Chevrolet Silverado 2500HD
404 Great Deals out of 30,313 listings starting at $3,000
Used Chevrolet C/K 30
12 listings
Used Ford Mustang
260 Great Deals out of 37,873 listings starting at $1,350
Used Dodge Ram 3500
79 Great Deals out of 2,074 listings starting at $4,990
Used Ford F-450 Super Duty
43 Great Deals out of 2,317 listings starting at $6,700

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.