varying idle - Diesel Truck Forum -
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post #1 of 2 (permalink) Old 01-23-2007, 11:55 PM Thread Starter
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varying idle

Hey guys
Just a quik question. have a probelm similair to that of Dodge22's about the excursion, butmine seems to happen at an idle. I was on a long trip the other day pulling a trailer and the truck surged and set a SES light it cleared up within 30 seconds i chalked it up to trash in the fuel. Then when i got close to home stopped at a redlight and idle was up and down to the point i held my foot on the throttle to keep it running, this time no SES light, And now does like it supposed to. Could it be a CPS symptom or something else? thanks

2012 Z-71 Duramax

1987 379 Peterbilt 425 Cat, RTX 15715, 390 rear ends.

1994 379 Peterbilt 425 Cat, 9 speed, 3:70 rears

Also drive anything that is overloaded and fast!!

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post #2 of 2 (permalink) Old 01-27-2007, 01:57 AM
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If it set the SES light, you got a code!
Yank the code and see where that points you.
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