PCM reprogram on 1999 Jeep Grand Cherokee

I got the code PO443 (evap purge solenoid) and had the repair done at a local shop but the code will not clear. Does this require the PCM reprogram from the dealership and is this a recall (free) or what is the cost? thanks

by in Virginia Beach, VA on April 09, 2009
1 answer
ANSWER by on April 09, 2009
It could be that the purge solenoid was not the problem. I have replaced several LDP pumps for a code P0443 on Jeeps. When the problem is fixed, even if you don't clear the code, the light will go off, by itself, in about 5 drive cycles IF the proper repair was performed. I would recommend that the EVAP diagnostic be rerun and a leak check be performed. Make sure that the Leak Detection Pump is working correctly (LDP). I do lots of Smog/Emission work and this is common on Jeep.
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