My engine is having a low idle issue and at times it will die when I come to a stop at a traffic light. It starts back up and I can continue on my way. I ran SeaFoam liquid through the throttle body and that didn't have any effect so I also tried the spray can. No effect.

It's a 2002 3.7L.

I don't know if this is related but I also got a check engine light yesterday for the first time even though I've been having this low idle issue for the past couple of months. My scanner gave me this: P0158

http://www.dtcsearch.com/P0158/?from=Torque

MIne did the same thing before it dropped a valve seat. Had two issues going on 1. faulty fuel injector driver circuit in the PCM 2. dropped a valve seat while I was trying to figure out why it was stalling out at idle sometimes. Thought it was a bad IAC sensor but that wasn't the case.

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'02 Sport 4x4, 3.7L, 245/70R16 Bigfoot A/T tires, Tow Hooks, Rear Hitch