Question about 2002 Chevrolet Silverado 1500HD

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02 silverado duramax dies out

I have a 02 3500 w/ duramax diesel, when it rains, light or heavy, periodicly the engine will begin to chuggle, miss, die out, lights on dash on, will not take throttle. I put it in nuetral and cycle the key, it starts right up and i drive away. I dont even stop, i can be going 70. no ecm codes. I did change the airflow meter but still have a problem. this has been happening for years. I love my truck but I'm pretty tired of this ****. wayne

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  • Chevrolet Master
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Get the engine control system scanned, that is the first step here.

Posted on Jun 28, 2017

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Posted on Jan 02, 2017

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SOURCE: trouble with my 2006 chevy silverado 3500 duramax diesel

I had the same problem it turned out to be the injector pump witch gm covered it.

Posted on Dec 29, 2008

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SOURCE: location of speed sensor 2001chevy silverado 3500

Depending on what transfer case model you have,some have one sensor and some have 2.They will both be on the back of the transfer case.They will be on the tail shaft of the transfer case.The one with 2 sensors has one on the left and one on the right.Hope this helps.Good luck.

Posted on Dec 26, 2009

  • 312 Answers

SOURCE: location of speed sensor 2001chevy silverado 3500

above were your electrical plugin plugs up on the rear left of transmission. that is your output shaft speed sensor.

Posted on Dec 27, 2009

  • 146 Answers

SOURCE: 02 silverado 2500 duramax- loss of power steering/brakes

I know GM decided to run the brakes and power steering vacumm all off of the power steering pump on some of their trucks. This could really be a big problem because if your power steering quit it would stop supplying your brakes with vacuum to stop the truck. In my experience I would check out the situation with the steering pump. Change it for a new one. Don't take any chances on smashing your truck.

Posted on Feb 21, 2010

  • 1374 Answers

SOURCE: 2005 silverado lt 6.6 duramax diesel turbo..engine

Before we do anything else lets do a fuel pressure check to make sure the pump is a-ok as well as the fuel pressure regulator. Your gonna need shop manual for this as well as a fuel pressure tester. If all checks out then move to the Turbo code.
Turbo code looks like the waste gate is stuck open and your not building the boost. Do a visual inspection look for any signs of overheating and bearing wear. Check or change oil as needed.
With regards to the Mass air flow I believe you have to replace it. Keep in mind this thing might be the root of you whole problem.
I strongly suggest you use the shop manual for the codes you got. it will make this repair a snap.

Posted on Mar 19, 2010

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