Question about 2003 Chevrolet TrailBlazer
I need to remove a bad ECM (main computer) and install a new one.
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: OBD2 CODES P0131, P0137, P0151
check for every posible loose ground arrownd the engine block
i had foud that many times and technicians have very hard time to find it if you see some thing wires atached to the engine block pull gently on it to see if they are open internally
and check also for clean and tie circuits at batterie and starter
Posted on May 29, 2008
Well i searched this link all got was this information hope it helps you :
Posted on Aug 18, 2008
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