ISX 12 spooling at idle

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ISX 12 spooling at idle

08-03-2021, (Subject: ISX 12 spooling at idle )

Post: #3

alamow Offline

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RE: ISX 12 spooling at idle

(08-03-2021 )lwilder27 Wrote: Hey guys, new to the Forum.

I have an ISX12 CM2250 that will spool up to 5-10psi at idle for a few seconds and then go away. Happens frequently, about every 10 seconds. I unplugged the EGR valve and then it idles smoothly. I replaced the Delta P sensor and cleaned the ports but no difference. I compared EGR readings to a sister truck and nothing stood out to me. Where should I be looking next?

Not sure if it is relevant but I had a simular issue on a CM871. It was a real anoyance when reversing on to a dock.

The exhaust pressure sensor tube was blocked.

As mentioned, Insite is your friend.

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Messages In This Thread

ISX 12 spooling at idle - lwilder27 - 08-03-2021,

RE: ISX 12 spooling at idle - JimT - 08-03-2021,

RE: ISX 12 spooling at idle - alamow - 08-03-2021

RE: ISX 12 spooling at idle - tree98 - 08-04-2021,

RE: ISX 12 spooling at idle - lwilder27 - 08-04-2021,

RE: ISX 12 spooling at idle - lwilder27 - 08-23-2021,

RE: ISX 12 spooling at idle - Rawze - 09-09-2021,

RE: ISX 12 spooling at idle - Smiling lemon - 09-11-2021,

RE: ISX 12 spooling at idle - Rawze - 09-11-2021,

RE: ISX 12 spooling at idle - Smiling lemon - 09-11-2021,

RE: ISX 12 spooling at idle - Rawze - 09-11-2021,

RE: ISX 12 spooling at idle - lwilder27 - 10-11-2021,

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