Question about 2003 Chevrolet Silverado 1500

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My 03 chevy 1500 randomly goes into redueced engine power sometimes u can turn it off and restart it and it will be fine but other time it will be messed up for hours, its have a p1516 and p1518 but we tried another throttle body and pettal and is still messing up do u think it could be the ecm? everone says replace ecm computer

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Check for an obvious loose ground at G103 located next to the right cylinder head just below the head and mounted into the block. Also, check G104 located behind the left cylinder head. Then verify all electrical connections at the throttle actuator control module.

Posted on Jun 28, 2009

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