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I have a check engine light that came on. The dtc 65 is showing.
(1990 Buick LeSabre)
KeDavis115 in New Castle, IN on February 16, 2014
The check engine light came on showing dtc65. I looked it up and it said "Right bank O2 sensor rich exhaust indicated" Have any what that means? Thanks.
1 answer & 4 comments
Popular Answer
It means that o2 sensor is reading more fuel then air and the fuel mixture is not correct for efficient operation.
KeDavis115 on February 16, 2014
KeDavis115 on February 16, 2014
Check Engine Light Diagnosis
$88 - $111 Learn MoreIt means that o2 sensor is reading more fuel then air and the fuel mixture is not correct for efficient operation.
KeDavis115 on February 16, 2014
KeDavis115 on February 16, 2014
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