2002 GMC C1500 engine starts but wont run

2002 GMC C1500
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JWINSETT316
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  • 1 POST
Engine Performance problem
2002 GMC C1500 6 cyl Two Wheel Drive Automatic

4.3 litre V6, engine starts but runs rough, runs approximatlely 1 to 2 minutes then shuts down. It will run longer and smoother when the TPS sensor is unplugged after engine starts. Fuel pressure is good, seems to be some kind of a sensor problem. Any help would be appreciated.
Jan 18, 2010 at 12:56 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Did you actually use a fuel pressure gauge to check the pressure-The pressure should be 55-62 psi
Jan 18, 2010 at 1:11 PM
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