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I have a 99 chevy with a 6.5 turbo diesel and it surges at highway speeds and hard to keep it at a steady speed.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: my 1995 chevy 6.5 L diesel dies at highway speeds. Why?

I could bet 99.9% with out seeing the truck my self that your probelem is the PMD I have two of these trucks and know many people that also have them and the vast majority of problems with the Chevy 6.5L diesels are from the PMD. A must when replacing the PMD is moving it from its place on the injection pump on the top of the engine to a place that dosent get so hot. A good place is the front bumper or skidplace, search for Heath Diesel they have a kit to move it. Its worth every penny.

Justin

Posted on Feb 10, 2009

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SOURCE: Heater/ac switch speeds 1 and 2 don not work in 99 Silverado

you need a resister found under your air duct by the passenger floor under dash board auto zone sells these for about 25.00 you may as well buy cabin air filters while your at it . 1 of the screws will be a pain to install back into the duct work I left mine out didn,t make a difference . you might have to order it as they are a comman item oh you will need a vacuum to clean up mess from cabin air filters .this is not a hard job .

Posted on Feb 28, 2009

  • 109 Answers

SOURCE: 99 dodge ram 1500 ac problem

recharge your system, it;s low on refrigerat, there is not enough liquid going into the evap to help maintain cooling, hence the speed of the compressor. install gauges to check pressures at idle, if not to spec , recharge. if it's low you have a leak to repair. also make sure your AC condenser is clear. GOOD LUCK. RDJRP

Posted on Aug 17, 2009

  • 55 Answers

SOURCE: '98 S10 4 cyl. 5 speed: Sudden high idle, now surges.

Go to your local shucks or auto zone and they can check any codes behind your check engine light and it's free. It sounds like one of two things a O2 sensor or your mass airflow sensor but they will tell you for sure

Posted on Oct 02, 2009

alicantecoli
  • 22219 Answers

SOURCE: need an exploded view of the 6 speed manual

cant help with a diagram but pleae explain the problem

Posted on Dec 24, 2009

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