Ouch! Has anyone heard of this? - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 3 (permalink) Old 03-19-2008, 12:34 AM Thread Starter
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Ouch! Has anyone heard of this?

Truck (04 GMC K2500 CC 4x4 Duramax/Ally) just went in the shop. Problems: Speedo went wonky (stuck @ 100 or so), fuel in oil, tapping from under the hood, surge at idle.

Dealer says! -- #8 inj bad, needs fuel pressure reg, guage cluster shorted. Will replace injectors under warranty (Who-hoo!)
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post #2 of 3 (permalink) Old 03-19-2008, 04:24 AM
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Use to do lots of lb7 injectors for fuel in the oil. I also had a hand full of fuel pressure regulators that were slow to respond and would cause a 100rpm surge. The spedo clusters had all kinds of problems in those years. Hope you get it all fixed up. Good luck.
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post #3 of 3 (permalink) Old 03-19-2008, 11:17 AM
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Yeah, those are fairly common problems, but the good thing is GM is standing behin the faults for 200K miles on the injectors.

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