1989 GMC C1500 FLOODING WHEN IDLE

1989 GMC C1500
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FRANK 6251
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Engine Mechanical problem
1989 GMC C1500 V8 Two Wheel Drive Automatic

I have a 1989 gmc c 1500 piclup. It runs good , but when it is ideling it floods. Sometimes dies. we have done everything we can think of to fix the problem. New sensors, carb kit. Filters etc. Any advice you could give would be greatly appericiated.
Aug 26, 2010 at 9:51 AM
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RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
Running rich:

1.Fuel pressure not within specs.Can be cause by restricted fuel return line or defective fuel pressure regulator.
2.Defective Oxygen Sensors.
3.Leaking injectors.
4.Coolant temperature sensor out of calibration.
5.Restricted air intake system.
Aug 27, 2010 at 5:29 AM
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