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Old 09-10-2011, 08:20 PM   #28
bfuri
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Join Date: Sep 2011
Location: phoenix, Arizona
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Re: 2002 Dodge Ram--P1491 fault code

This thread saved me a lot of time and money. My A/C was only working when I pressed on the gas and then my engine light came on. I went to autozone and had my code read. Telling me that my relay, wiring, fan or my computer was bad. After reading this thread, I checked my fuse box, and my 25amp fuse was blown (located in the middle of the fuse box under the hood, closest fuse to the engine.) I went back to autozone, picked up a fuse and now everything is great. A/C works, engine light is off and I have not had any problems since. Thank you to everyone who posted. Been a great help!
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