Chevy/GMC 6.2L and 6.5L Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines

here we go again!

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  #1  
Old 04-30-2011, 05:52 PM
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"I got it to run as I mentioned, but then the service soon light came on again. So, I tried to start it one morning, and as has happened before I forgot it was a diesel and forgot to let the glow plug warm up, and started it. After that she would just not start. I drained some fuel even though it looked clear, and pulled the filter and drained out and wiped the inside of the fuel filter. I did not have another one with me, but she started and ran ok as long as I was on the gas. At idle she stalls out now, but no light shows except for the occasional light flicker of the water in fuel light. So, I ran the tank almost completely dry and added 3 gal of fuel to get it to the filling station. I filled it up w Shell #2 Diesel and poured in some Diesel Klean. Then she stalled out on me immediately. She started right up, but ran a bit crappy. Eventually she was running strong again. This morning she stalled on me twice while idling. So, I just replaced the fuel filter and she seems to run ok right now at idle. The other filter only had like 300 miles on it and it looked good actually. Are they just giving us crappy fuel or something maybe? Ideas, thoughts?"
UPDATE: I was driving, and when I got on the pedal hard it stalled out and even though it starts it wont run for more than 10 seconds if I give it throttle, or like 30 seconds if it idles. Starts up, but dies shortly. PLEASE HELP! I still owe some money on it or I would just blow it up!
 
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Old 04-30-2011, 06:06 PM
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i be checking the OPS and LP sound like running out fuel high speed and LP or OPS

Yes could have gotten crappy fuel
 
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Old 04-30-2011, 06:57 PM
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Crazy, i was thinking the same thing, but it has a new lift pump, and when I open the tvalve( water drain valve) it streams out. I even replaced the fuel filter again today. I think that it is not getting past the IP for some reason. Maybe the PMD, or maybe the sullanoid on the IP? What do you think?
 
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Old 04-30-2011, 10:28 PM
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pull the inlet out the IP there be screen on it see if not clog
 
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Old 05-01-2011, 01:50 AM
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Ok! I will work on that tomorrow and let you know what I find.
 




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