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
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