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#1
03-13-2005, 08:32 PM
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2000 gmc V6 4.3 running crappy
My 2000 gmc V6 4.3 has been intermittently backfiring losing power.
The truck is a standard and is most likely to lose power taking off and changing gears. No service engine soon light on. Fuel pump is at 58lbs. The fuel filter has just been changed. Please send ideas! 
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#3
03-15-2005, 09:30 PM
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Re: 2000 gmc V6 4.3 running crappy
distributor cap, rotor, spark plugs, wire, engine timing, busted cam lifter/s....
__________________
"Never under estimate the power of stupid people in large groups." 1997 K-1500 Silverado Vortec 350...125,610 and wounded HD chassis package Custom TRUE DUAL exhaust with cut-outs and Flowmaster 40 series mufflers Poweraid Throttle Body Spacer Custom Ram-air Intake with K&N FIPK GEN II TFES Performance 3" Suspension Lift Dual Air-Horn Kit with Compressor Bed-Mounted 48" Hi-Lift Jack Cobra Laser Radar Detector 285/75/R16 Cooper Discoverer STT's 1/4 Mile 10/15/05: 16.43 @ 91mph
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