Code P0088

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10-31-2005, 03:42 PM

TE-44

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Code P0088

How many users of the Quad box are getting this code for high fuel rail pressure.

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10-31-2005, 05:08 PM

RamWheelsBy4

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I did not get it with the Quad Race box or the Juice/EZ stack. I do get it with TST(Twins) and BDDL download stack on some high TST settings. Hope someone finishes a Modded Injection Pump for the 600+ soon.

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11-01-2005, 08:42 AM

Pull U 2

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I had it with mine and never could figure it out. Had surging issues and would blow smoke at times like you wouldn't believe!!! Dealer said it is a check sum error that is usually related to a performance box being installed. Good luck...

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11-01-2005, 09:15 AM

wap

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Yep I got an 0088 right now and have also thrown another code but can t remember the number off the top of my head. Well I went back and found it it is a p 0251. I posted a question about it twice but still got no responce so if anyone can help me on that I would appriciate it. Also I know what the codes mean I just dont know if I should be worried or what I should do about them.
thanks

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11-01-2005, 10:07 AM

RamWheelsBy4

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P0251 Generic Injection Pump Fuel Metering Control A

Looks related to the P0088 code, could be just asking for too much rail pressure for engine parameters. Could be lot of things, but seems always associated with performance boxes/downloaders modifying fuel rail pressure.

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11-01-2005, 10:20 AM

bigblock2stroke

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Quote:

Originally Posted by RamWheelsBy4

Its' the MPROP located on the cp3 pump. This is not a serviceable item, so you will not be able to swap it out (although it is only 2 screws and one connector). Bosch requires the whole pump to be swapped.

Also, I don't see how a modded cp3 would help anyone. No matter what. the pop off valve will pop if you go above the max fuel pressure and the ECM will set a fault if you overpressurize the rail.

You need a modded pop off valve (for a higher pressure) and some code in the box that will increase the max fuel pressure allowed without a fault.