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Old 04-20-2010, 06:20 PM
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Question Engine codes

Hello, New to joining the community but I do enjoy the website very much!

Recently I've started to tackle my check engine light and Check Gauge light that's been on for some time.

When I pull the codes I get
P0443: Evaporative emission control system, Purge control valve circuit malfunction
P0481: Cooling Fan no. 2, Control circuit malfunction
P0499: Evaporative emission system, vent control - circuit high

If I erase the codes, they come back instantly on engine start, so I'm thinking there is a definite short somewhere.

I drive an 05 Wrangler SE with the 2.4 powertech... Everything is pretty much stock. I have replaced the Purge control solenoid, along with the circuit breaker on the fan as well. Anybody out there every see this problem?
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Old 08-21-2010, 10:47 AM   #2
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I have the same code for the Purge control solenoid on my 2006 Jeep Wrangler Se 2.4l. Did you replace the solenoid with a factory Part? Do you know what the part number is, and did it fix the problem.

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Old 08-23-2010, 11:00 AM
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My problem ended up being the PCM. I took it to a dealer and they replaced it under Warranty. I did replace the purge control solenoid with a factory replacement from the dealer, it was about 50 bucks when I changed it. Not sure what the part number was though.
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Old 08-23-2010, 12:42 PM   #4
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Get. Haynes manual. It has all the codes... Then do a self diagnostic on it... Hold in the trip odometer button and turn the key on and off three times. (don't start the Jeep each time).
Make Sure Everyone is Dead within hearing and sight range. Only then, you can say any area is cleared.
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