A Buick Porthole 2.0T made 2011 with 82 thousands kilometers,the owner described that vehicle can not accelerate well and there are some warning light on the instrument cluster.Here I will share this real repair case on how to solved Buick Porthole Trouble Code P2138 completely to reader,and hope this article can help you on your technician career.
What is the symptoms of P2138 trouble code?
Technician start car to test the symptoms of P2138,and find below:
1. Check engine light on
2. ESC light on
3. Engine power reduced
4. There is massage about
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