Question about Chevrolet C2500

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My 89 chevy c2500 idles fine but when I try to rev it up it bogs out. went through entire ignition system everything new including ECM still bogs out any idea????

Won't rev up

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6ya6ya
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Posted on Jan 02, 2017

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  • 314 Answers

SOURCE: 98 chevy 1500 loses power

This sounds like the exhaust is the prob. My guess is the convertor! Frankster016

Posted on Oct 25, 2008

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alicantecoli
  • 22219 Answers

SOURCE: 98 chevy 1500 loses power

sounds like an ECU fault.one of the chips is breaking down when the units warms up

Posted on Nov 04, 2008

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SOURCE: 89 jeep cherokee 4.0 it bogs down and will accelerate in drive

Make sure that the timing is correct and that the spark from the coil is healthy. Problem can also be with the overdrive in the converter. If it's stuck on it can do that too.

Posted on Nov 22, 2009

duane_wong
  • 6826 Answers

SOURCE: 95 chevy k 1500 bogs down at over 1/4 throttle

You certainly have changed a lot of parts on this engine. Do you presently have any codes on it?

Posted on Feb 08, 2011

  • 5370 Answers

SOURCE: starts,idles & runs fine, but won't rev over 2400

This is indication of faulty MAF sensor. Its located on the air inlet, look and the air filter box and follow it to the engine there inline you will see the mass air flow sensor and the air intake temp sensor is built into the mass air flow sensor. when you locate the air filter box you will see the maf sensor its bolted to air box.Make sure the connector is good and also the wiring.Remove the MAF sensor, clean it and recheck.Also try driving without MAF sensor.If its revs fine, then its faulty MAF.------- This should help.Thanks.Helpmech.

Posted on May 19, 2011

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