870 air fuel issue
04-07-2025, (Subject: 870 air fuel issue ) 
Post: #3
RE: 870 air fuel issue
boost only at 32 psi is also an indicator of an Auxiliary emissions derate.

If it s de-mandated, the chances that its a bad delete are more than 90%+.

here is likely your issue...
ref: https://rawze.com/forums/showthread.php?...2#pid72522
why they do this is described in this post...
https://rawze.com/forums/showthread.php?...4#pid64964

Get with forum member 'running rough' as her is the resident CM870 specialist for those old GTIS3 products.


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replyreply
 Thanks given by: Bradar


Messages In This Thread
870 air fuel issue - Bradar - 04-06-2025,
RE: 870 air fuel issue - Rawze - 04-07-2025



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