scr warmup

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scr warmup

09-04-2023, (Subject: scr warmup )

Post: #20

Rawze

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RE: scr warmup

(09-03-2023 )Mudflap77 Wrote: ...just figured mine out a couple of days ago. Mine was the turbo intake temp sensor.
turbo intake temp should be roughly within 10% of the ambient temp. The ecm uses this sensor in part to calculate engine exhaust temp. My guess is if that sensor is reading high the ecm calculates the exhaust temp higher then it actually is and the ecm sees the DOC is reading lower then the calculated exhaust temp it figures its loosing a pile of heat and goes into scr warmup.

Actually one of its its secondary functions is used to measure/estimate turbo heat soak (how hot the turbo is getting).

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Thanks given by:

JimT , Mudflap77

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Messages In This Thread

scr warmup - Mudflap77 - 05-09-2023,

RE: scr warmup - JimT - 05-10-2023,

RE: scr warmup - Mudflap77 - 05-10-2023,

RE: scr warmup - JimT - 05-10-2023,

RE: scr warmup - Mudflap77 - 05-10-2023,

RE: scr warmup - RollinCoal - 05-10-2023,

RE: scr warmup - Rawze - 05-10-2023,

RE: scr warmup - Mudflap77 - 05-10-2023,

RE: scr warmup - Rawze - 05-11-2023,

RE: scr warmup - Mudflap77 - 05-15-2023,

RE: scr warmup - Rawze - 05-15-2023,

RE: scr warmup - Mudflap77 - 05-15-2023,

RE: scr warmup - onebadapple - 08-24-2023,

RE: scr warmup - Mudflap77 - 09-03-2023,

RE: scr warmup - Rawze - 09-04-2023

RE: scr warmup - JimT - 08-25-2023,

RE: scr warmup - onebadapple - 08-26-2023,

RE: scr warmup - Rawze - 08-25-2023,

RE: scr warmup - JimT - 08-26-2023,

RE: scr warmup - Mudflap77 - 09-03-2023,

RE: scr warmup - JimT - 09-04-2023,

RE: scr warmup - Mudflap77 - 09-04-2023,

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