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2000 GMC Sierra Cranks and wont run

Tiny
CURTCOULTER
  • MEMBER
  • 2000 GMC SIERRA
  • V8
  • 4WD
  • AUTOMATIC
  • 132,000 MILES
Driving with cruise set at 70. Engine died, tried restarting while moving, and it wouldnt. I coasted a ways and just before it stopped, I retried it and it fired up, I proceeded hopin to get to work. It lurched a few times then died after 10 miles or so, and now it wont restart. It cranked a bit and sounded like it was goind to run but wont. When I turn ignition on, the only gauge that works now is voltmeter which says 9-10 volts. Oil pressure shows once I crank it. But the fuel and temp gauges arent working. Battery or alternator possibly? I hope.
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Saturday, February 7th, 2009 AT 7:55 AM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
If the cranking rpms are good, my first thought isn't the battery. Is the theft lite flashing or anything?

Can you check for codes? Can you do some basic tests? Have a helper crank it while you check for spark at the plugs and injector pulse.
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Saturday, February 7th, 2009 AT 8:47 AM

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