Truck not firing

Tiny
TNTHAM
  • MEMBER
  • 1991 CHEVROLET ASTRO
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 418,000 MILES
My chevy s10 is getting fire on plugs but Im not getting fire at the carb. The engine just turns over. I assumed the cold weather has been affecting it freezing my fuel lines. So I have filled the gas tank, poured in "HEET" and installed a dipstick engine warmer and used a droplight. Normally during the daytime it will start but no luck today.I have pulled a plug and checked for firing and the plug is firing.
Saturday, January 8th, 2011 AT 10:46 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the fuel pressure to rule out the fuel filter and fuel pump and if the injectors are pulsing
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Saturday, January 8th, 2011 AT 11:13 PM
Tiny
TNTHAM
  • MEMBER
  • 2 POSTS
I've poured gas into the carb and it still doesn't fire. I just removed my distributor cap and removed any build up. I replaced the cap but yet the vehicle will still not fire. I appreciate your help greatly because without this truck running I am stuck. I will donate to the cause soon. Anymore ideas that may help?
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Sunday, January 9th, 2011 AT 12:08 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Sounds like no spark-do below

No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs, coil's resistances, distributor pick-up coil, ignition control module, cam and crank sensors and computer Note: If it doesn't apply disregard it
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Sunday, January 9th, 2011 AT 1:07 AM

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