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1993 GMC Sierra WONT START

Tiny
DYKASTNUTS
  • MEMBER
  • 1993 GMC SIERRA
  • V8
  • 4WD
  • AUTOMATIC
  • 191,000 MILES
WAS DRIVING ON FREEWAY AT 65 MPH AND IT JUST STALLED. PULLED TO SIDE AND IT WAS RUNNING ROUGH FOR A FEW SECONDS AND THEN QUIT. COULDN'T GET IT TO START AFTER THAT. I DISCONECTED FUEL LINE BEFORE FILTER AND TURNED KEY IT IS PUMPING PLENTY OF GAS. REPLACED FUEL PUMP LAST YEAR. THE MOTOR WAS REPLACED 3 YEARS AGO WITH A CRATE MOTOR FROM GMC BUT I HAVN'T REPLACED ANYTHING SINCE.
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Monday, April 19th, 2010 AT 7:48 PM

5 Replies

Tiny
TOOOMANYTOYS
  • MECHANIC
  • 513 POSTS
Check to see if your getting spark. It could be numberous concerns.
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Monday, April 19th, 2010 AT 8:11 PM
Tiny
DYKASTNUTS
  • MEMBER
  • 3 POSTS
Getting no spark had coil checked and technition said coil was good and maybe its the ignitioncontrol module. Im going to check that next but was wondering what else it could be.
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Tuesday, April 20th, 2010 AT 8:49 PM
Tiny
TOOOMANYTOYS
  • MECHANIC
  • 513 POSTS
Could still be alot of things. Primary voltage, Distributor, ECM. However the ignition module failure is common on these vehicle. I would start there next.
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Wednesday, April 21st, 2010 AT 5:38 PM
Tiny
DYKASTNUTS
  • MEMBER
  • 3 POSTS
IT WAS THE IGNITION CONTROL MODULE THANKS FOR REPLYING TO MY QUESTION.
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Wednesday, April 21st, 2010 AT 6:13 PM
Tiny
TOOOMANYTOYS
  • MECHANIC
  • 513 POSTS
Sure thing.
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Wednesday, April 21st, 2010 AT 7:10 PM

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