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CEL P0138 help.
A couple weeks ago I voyaged to Ptuning to finally get my flex fuel kit and tune. Nearly spent all day patiently waiting for Toan to work his magic.
At the end of the day she was ready to go home and felt amazing, but halfway back home to NC I had a P0138 CEL come on. I called them the next day and obcourse had me send them some data logs. Toan revised and confirmed everything was running smooth and correctly compensating for the different types of fuel. He stated,” Your P0138 code is for the secondary O2 sensor. We did not use your O2 sensor plug for the flex fuel input, so the ECU should not be throwing a code for that”. And had me make sure it was plugged in tightly and snug. And so I cleared the code and bang! Came back up. I jut replaced the 02 sensor yesterday and drove 20 minutes to work this morning with no CEL. Turned the car on at the end of the day to warm her up before I head back home and bang! Again the same CEL.
Any advice is greatly appreciated
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