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sd

sd 8/4/2012

2004 Chevrolet Express 2500 LS 8 Cyl 6.0L

Engine

check engine light on, starts and dies when cold and ac is on.runs good when warmed up and excellerateing. ac not very c

1 Answer


CVO

CVO 8/4/2012

First, scan the vehicle for fault codes.

1.Local auto parts stores such as Autozone ( not in California) or Advance Auto parts will scan and retrieve any diagnostic trouble codes ( dtc ) stored in the powertrain control module for free of charge..

2. Amazon.com has the code reader for less than $20.00 dollars.

3.Re-post the dtc's in here " answer question " for further assistance.

Note: we need the dtc's to identify the sensor, there are a dozen different sensors to operate the car.

Visit this site and see all the different sensors.

http://www.freeautomechanic.com/car-engine-sensors.html

Navigate to this site and see the code reader

http://www.amazon.com/.../ref=sr_1_1






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