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Idle Fuel Trims Aren't Right

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ariman

ariman

10+ Year Contributor
127
2
Jun 2, 2011
CA, California
Hi.
The fuel trim at idle it's 95-105, and the wideband reads very lean 20-22, then I tuning with the maft and the wideband reads 14.5-15.5 but the fuel trim reads 65 and 02 sensor reads .7v-.8v , this is very rich for the ecu,right?
so what is wrong?
thank you for you advice
 
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