nightmare
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nightmare
I am having some problems my cel is on and it is saying that it is the injector control pressure (icp) It ran fine for a day or 2 with the light on now its horrible its dies on me and makes my chip malfunction any idea what is goin on?
Playing in the Dirt
Joined: Oct 2005
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From: Southwest Georgia
To check the ICP, just unplug it. The computer will go to a default setting for ICP input, if none is detected from the sensor and still run the truck. It (PCM) will just not be able to vary the oil pressure to the injectors as engine conditions change (meaning not as much power under load). If the truck runs fine with the ICP unplugged, then you need to replace the ICP.
Post Fiend
Joined: Oct 2003
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From: MICHIGAN
Here's the ICP location:
Drivers side front of the engine.
Lead Driver
Joined: May 2007
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From: Belair md
umm, did anybody overlook the fact that he is runing wildman tunes on stage 1's. do you have a stock high pressure oil pump? when does the truck "malfunction"? if its under heavy load then i would almost bet you are taxing your hpop.
Post Fiend
Joined: Apr 2004
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From: Silver Lake Dunes, MI
A 1211 set due to the HPOP not keeping up won't cause a driveability issue though. Once the 1211 sets you power/acceleration will level off but it won't cause an issue with the running of the engine.
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I do have a 17* hpop and the cel is always on. I can scan it with the edge evolution and it reads p1280 i think or som ething liek that it is the code that says injector control pressure circuit it not desirable, low. It is also making it shift hard and my tq lock up very hard?
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Post Fiend
Joined: Apr 2004
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From: Silver Lake Dunes, MI
Here is the ICP location. Right side second label from the bottom
Post Fiend
Joined: Apr 2004
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From: Silver Lake Dunes, MI
Ok I responded to you email and while I have not seen a CPS show all those symptoms it is possible you have more than one thing going on. try the CPS and see what happens. It may not fix all the issues but it may fix the stall
Lead Driver
Joined: May 2007
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From: Belair md
ah, at least we have the actual code now. i have seen 1211's cause bad loss of power and if you stay on throttle i have seen them start to "misfire" i would think that the stage 1's and extra command from the wildman tunes would exponent this. the fact that its a 1280 though makes me lean away from my first thoughts though. i am with tj, if it ran better unplugged then 99% chance you need a sensor. check the 3 pin connector for corroded and bent pins as well. the cps is most likely the stalling concern. fix those then tacle the hard shifts. that may just be the chip's tranny function but becuase the loss of power and added throttle position it may just be coincidental.