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Strange.. I’m guessing your having no temperature issues until your major issues arise. Could be something in the system from somewhere else that is causing pressure to be high in certain areas. Have you checked thermostat and water pump? Or have you noticed anything in the coolant? Just...

I bought as a project so was expecting the work. Thank you so much for the guidance thus far I’ll keep working at it. Sent from my iPhone using Jeepz.com mobile app

Yes they were black and soot covered but not wet. Also one of the plugs terminals came out with the old wire. Mind I bought it like this. It wasn’t misfiring at all but you can definitely tell the difference in power. I’m guessing most of the soot was being burnt out of that cylinder from the un...

Also strange thing after changing plugs wires and distributor it blew some pretty good black soot from the exhaust. I know it will normally do some but this was thick and a decent amount. Just seeing if that triggers any thoughts. Thanks again. Sent from my iPhone using Jeepz.com mobile app

Update.. the idle is steady and doesn’t stall after releasing throttle but still dips really low. I’ll continue to troubleshoot this issue and update any other things I find out Sent from my iPhone using Jeepz.com mobile app

Update.. The TPS was out of adjustment so I finished that which kept it from stalling letting off the throttle but still drops real low and shutters. Idle seems to be steady at around 800 when just sitting. No luck yet with the vacuum leak. Going to mess with the IAC tomorrow see if there’s any...

Gotcha thanks I will run that test tomorrow. As for the TPS I’m getting 4.98V going in and no reading on the signal side so also trying to track that issue. Again thanks and will update results tomorrow. Sent from my iPhone using Jeepz.com mobile app

Great thanks again this weekend I will check all vacuum lines. I already removed throttle body cleaned and replaced gasket. Will update on progress. Sent from my iPhone using Jeepz.com mobile app

It idles around 1200. Plugs are not wet after stalling. Cleaned IAC and had no change. Have not measured the fuel pressure yet but will do that thanks so much. Sent from my iPhone using Jeepz.com mobile app

Ok. Is it automatic? And if so does it have any trouble running through the gears? Sent from my iPhone using Jeepz.com mobile app

Update. I narrowed it down and will be readjusting the TPS some time this week hoping that this will fix the issue I will update again when I’m done if there are any other ideas I would greatly appreciate the input. Thanks Sent from my iPhone using Jeepz.com mobile app

Replacing the carpets would be the most efficient route. Also cleaning out the air box might help who knows what that looks like if it’s been sitting a long time. Good luck. Sent from my iPhone using Jeepz.com mobile app

Just making sure but when it’s steady it’s sitting at 2k? Sent from my iPhone using Jeepz.com mobile app

Hello all I’m new here and hope I can help some of you and vice versa. I have an 89 Comanche with a 4.0. The previous owner deleted most EVAP components which is giving me a headache. I have a stall issue when coming out of gear and engine is revving down. I cleaned throttle body, replaced...