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2006 Chevrolet TrailBlazer LS 4dr 2WD

2006 Chevrolet TrailBlazer
Trim Info:
Rear Wheel Drive, 4 Door
16 mpg city / 22 mpg hwy
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April 17, 2012, 8:38 pm

Jesse L
 

Question: lean bank 1

code P0701 reads lead fuel in bank 1. I ask a mechanic he told me to change fuel filter and air filter, did not help. What else can I do solve my problem? Please help me Thanks


April 19, 2012, 9:49 pm

Richard W
Expert Mechanic

Test the O2 sensor. And to do that you need a scan tool or lab scope. If you don't have one than have a shop look at it. You could start replacing thing that don't need it.


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