Dodge Repair Questions? Ask a Mechanic for Answers ASAP
Is it possible to get a list of the parts you have replaced so I don't waste our time on ideas that haven't been successful please?
Excellent and thank you. Do you happen to know which engine is in it?
It sounds to me like a problem with the IAC (Idle Air Control) motor. This can be tested by simply removing it from the throttle body, cleaning it up with carb cleaner and cleaning where it sits on the throttle body. Then basically get the engine warmed up and see if the condition continues. I am going to send a diagram of it's location for you so you can remove it. This is on the 5.2L engine which is the most common. Over time the IAC gets gummed up with carbon and it can't adjust properly. Cleaning it can restore it and free up the pintal.
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You are very welcome. Another sign that it's stuck is that the van starts good cold, but once it's warm it won't start. This part is suppose to adjust for the fuel mixture based on the engine temp. So, if it's not moving it will cause hard starts at different temp ranges.
Also, let me know if it's a different engine although it is pretty much the same throttle body and location on any of the engines.
Please let me know if there is anything else I can do to help.
Also, please remember to rate my answer. Thanks so much!
Did he clean the throttle body or the IAC valve?
Ok, it is possible the computer is at fault, but I would be more inclined to think there is a problem with the coolant temp sensor or maybe even one of the ground straps from the engine to the firewall. Computers don't fail that often. If the coolant temp sensor is reading wrong it might give it the wrong info therefore create the wrong fuel mixture. This will cause hard starts and shutting down. I think also there could be an issue with the crank or cam position sensors. Sometimes with these they will heat up and stop sending signal. When it has trouble starting, we have to determine if it's losing spark or not.
Ok, now I would get it good and hot in the driveway, then when it stalls, pull a plug wire and check for spark. We need to know what's missing when it stalls like this on you. The ignition coil may be getting hot and not producing spark anymore. Then when it cools off it's back to running until the conditions are right for it to stop working again. Checking for spark would help and this wouldn't put on the check engine light either..Sorry, for some reason that just clicked in my brain lol. I guess because most engines use coil over plug setup these day and not a coil with a distributor cap and plug wires.
You're very welcome. It really might be as simple as the coil. Hope it is actually.
Ok, so after it stalled it fired right back up without waiting you mean
Did you request a phone call?
I am sorry, I am unable to use the phone at this time. If you would like I can open the question back up so the other experts can view it.
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Do you still need some help with this?
When it stalls do you have spark and fuel psi? If no fuel then check for 12v and ground at the fuel pump.. If no spark check for 12v on the green wire at coil and a ground pulse on the other wire.. Clip the test light to positive post to check for ground pulse.. If no ground pulse you will need a scantool to see if the CKP which is the crankshaft sensor is sending the signal to the PCM..
Let me know the results,
This testing only needs to be done when it stalls so we can find the issue.. Do not test when it's running fine because all the tests will pass..
Let me know what you find,
What did you find when you run the tests?