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Bob Dann
Bob Dann 2/17/2013
2003 Chevrolet Silverado 1500 LS 8 Cyl 5.3L - Engine
Why does the check engine light come when towing a trailer?
The check engine light comes on during hard acceleration or towing but then it goes out after a few miles of normal driving.
1 Answer
  • Jimm
    Jimm 2/17/2013
    First step - have the check engine light or stored fault codes scanned - for free - at any local auto parts store; Advance Auto, Auto Zone, NAPA. Then, post a reply as 'add answer' with the specific fault code for more assistance.
    Bob Dann 2/25/2013
    Add answer. Scan from AutoZone came out P0101.
    Bob Dann 2/25/2013
    Add answer. 2003 Silverado 5.3 V8 with AT and 2WD.

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