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99 Crown Vic.

Mom asked me to take a look and fix her 99 Crown Vic. It has a 4.6. It's been shuting off when she comes to a stop while the heater or ac is on. Turn heat and ac off and it runs fine. First thing I thought of was the idle air control valve, but briefly looking through my Haynes manual this morning didn't find anything about an IACV. Any incite or advice would be appreciated.

* * HTC Incredible / Forum Runner * *
 
Maybe go to the autozone site for troubleshooting in the repair area.
 

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