Fuel trims
#1
#3
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I think OK as an answer might still leave the original poster with a little concern. I would call those numbers quite acceptable. Learning how to read trims is a beneficial pursuit. Understand that trims are a dynamic adjustment, driven by the upstream O2 sensor, to injector pulse rates that are plotted against a static set of preprogrammed values. Using trims to troubleshoot will save you tons of money instead of throwing parts at a problem.
The following 2 users liked this post by ControlIssues:
kr98664 (12-28-2020),
S-Type Owner (12-29-2020)
#4
#5
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HI
They look ok, the closer to zero the better, but you never get zero
These two clip on youtube explained trims quire well
https://www.youtube.com/watch?v=5WnM_NsOtd8&t=58s
http://www.youtube.com/watch?v=cARQ0jZZ4Qc&t=527s
They look ok, the closer to zero the better, but you never get zero
These two clip on youtube explained trims quire well
https://www.youtube.com/watch?v=5WnM_NsOtd8&t=58s
http://www.youtube.com/watch?v=cARQ0jZZ4Qc&t=527s
#6
The following users liked this post:
S-Type Owner (12-30-2020)
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