Cm870 timing off??
04-13-2021, (Subject: Cm870 timing off?? ) 
Post: #4
RE: Cm870 timing off??
(04-13-2021 )Nyluke124 Wrote:  ...

truck now only builds 32lbs of boost before it was 38.
...


That is typically a sign of a derate in the engine. Are there any fault codes? .. and Check engine light due to egr valve being unplugged? . if not, assume it has a bad delete program in it.

For all you know it could have terrible delete programming in it and it suddenly jumped engine operating modes on you due to the idiot who made the delete file not re-mapping the engine mode control logic properly (a very common issue with 90% of bad deletes reviewed on here).


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Messages In This Thread
Cm870 timing off?? - Nyluke124 - 04-13-2021,
RE: Cm870 timing off?? - Rawze - 04-13-2021,
RE: Cm870 timing off?? - Rawze - 04-13-2021



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