2004 Ram 2500 5.9L Turbo Check Engine Light - Dodge Cummins Diesel Forum

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post #1 of 3 (permalink) Old 07-06-2010, 05:52 PM Thread Starter
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Question 2004 Ram 2500 5.9L Turbo Check Engine Light

While driving on the highway yesterday, my check engine light came on and at the same time, my acceleration gave out. I had to pump the accelerator several times before it "caught" again and accelerated. Then every once in a while, it will go out again and the truck ever so slightly jumps forward while it slows itself down, but again, I pump the accelerator a few times and it will go again.
And another question. I just had my first oil change done, and ever since then, my oil pressure gauge stays at 40, but when I let off of the gas, it drops a little bit, then goes back to 40 when I accelerate. I didn't notice if it was doing that or not before I got the oil changed, so I am unsure as to whether or not thats normal.
This is my first diesel and I just bought it a month ago. I take very good care of it and have never driven above 75 mph. It only has 82,000 miles on it and the only previous owner took very good care of it and saved all the records, so it's in tip top shape, until now. I'm in the military and I don't have the money to throw around to fix this and that hoping it's what the problem is, so I'd greatly appreciate any help anyone can give me so I can go into the shop and know almost exactly what needs to be fixed.


'04 Gun Metal Gray 2500 4x4 5.9L Quad Cab Long Bed Cummins Turbo
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post #2 of 3 (permalink) Old 07-06-2010, 06:46 PM
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it sounds like a APPS issue, not sure if the 04 has it but i believe so. APPS= accelerator peddle position sensor. try to pull up codes and see what codes you get. If you dont know how to pull codes, do a search on here to find it and more info on the apps

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post #3 of 3 (permalink) Old 07-06-2010, 07:29 PM Thread Starter
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Hey, thanks very much! I'll be sure to look into that APPS thing. I greatly appreciate your help!

'04 Gun Metal Gray 2500 4x4 5.9L Quad Cab Long Bed Cummins Turbo
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