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Message: [QUOTE="Moremph, post: 717884, member: 241"] We have been tinkering with a truck off and on for a while now, Its been to three other places and nobody has a clue (or the only recomendation so far was the tone ring on the cam gear is off/bad) The thing will sit and run all day long as long as you hold the RPM above 900 rpm, The moment it drops below 900 it shuts down, we have checked and tried about everything we can think of with no real help, It seems to me that it has to be an electrical issue breaking down somewhere when it dies the FICM sync goes to No at the same time with my VCM2. I found one other thread on the nation about a similar issue truck would run when held above idle but die, That poster never posted the final answer and was a one post wonder. If you program the ECM with a SCT and set the idle to 925 will start and run all day long, Tried new ficm, throttle pedal, checked most wiring easily reached for chaffing tried starting with each injector unplugged individualy. All the sensors appear to be in spec and not crazy out. I am sure someone else has seen this before Thanks Travis [/QUOTE]

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