Car won't stay in closed loop. Whats causing it?
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Joined: Oct 2006
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From: Post Falls, Idaho
Car won't stay in closed loop. Whats causing it?
I was looking at someones datalog and the car would go from closed loop to open and back several times during the run. There were several DTC codes set so what would cause it to change back and fourth?
Thread Starter
Registered User
Joined: Oct 2006
Posts: 2,728
From: Post Falls, Idaho
The O2's both show they have failed. They will read 400's for several times in a row and then go to the 500's and repeat. One side won't reach the 900's during wot so replacement will be necessary.
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