Engine goes from full power to idle with Red flashing shut down light on. As soon as the engine gets slowed to idle red light goes out and idles normal. Start adding fuel sometimes will go sometimes goes to idle again. Took to dealer about a month ago they replaced throttle position sensor (TPS). When got the truck back the information window on the dash showed a fault, Odometer offset recallibrated. Dealer had no clue. Today did the shut down thing again. Took to dealer computer says TPS, but they have no clue. They are now talking new ECM. have no idea of the cost, it is not my truck, but I really don't like anyone getting hosed. Has any body had this problem?
Random Shut Down Cummins ISX in 2007 Pete
Discussion in 'Trucks [ Eighteen Wheelers ]' started by acekc44, Sep 17, 2012.
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get the dealer to see if it has had the recall done where you have to re-wire the plug for the tps on isx's. i worked at a pb dealer during that time and seems like 07-08, particularly 387's, we had to rewire the tps harness, they had the wrong schmatic when they wired them and it took awhile for it to show up on the truck. it would work fine for a while then i would code for tps, put new tps in until it fried if it was not rewired. maybe not be the case, but something to check.
Heavyd Thanks this. -
Just got it back from the dealer today. I was off on another job and did not get to talk to the dealer and they didn't have the bill ready. I did make a mistake in the post it is a ISM engine not the ISX. They said something about the ECM not communicating properly so maybe they found the plug. Time will tell we'll put it back to work tomorrow and see what happens. Thanks for the reply
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similar,i9000 with isx,surges between 5th and 6th gear sometimes from start truck has auto tranny,and light flashes up and down EATON.TPS I AM THINKING BUT NOT REALLY CONVINCED.
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right now I just disconnect and reset the computer that helps,but dont solve prob.
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interesting get me thinking I have a 05 i9000 nash with random surges
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any sugessions on isx tps touble .my truck is jumping like abunny rabbit
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