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QUESTION: I have a 2001 3.8lt mini van. It runs fine when it's cold but skips when hot. Don't know if its plugs, wires, or a sensor. Any suggestions.

ANSWER: It's not easy to fix it without the DRB III scan tool to define the trouble code number, or using the ignition key self diagnosing,
please open this link on internet to learn the self diagnosis :
Or you have to use the scan tool at dealer,
Let me know,
Thank you,,,

---------- FOLLOW-UP ----------

QUESTION: I checked the error codes, can you tell me if any of these would cause the engine to run good cold and skip when hot.
1684,0135,0442,0455. Thanks for your help.

I'm so sorry , I don't pick your question in time since i wase a way for a long time,
Any way ,
P 1684 = Battery disconnected within last 50 starts , ie your battery disconnected recently and this not a problem
P 0135 = Oxygen sensor issue
P 0442 = Evaporative emission (EVAP) System leak detected  (often this a loose or bad gas cap)
P 0445 = Evaporative emission control system purge control valve circuit Shorted

P 0445 is your problem, this valve is controlled by the Car ECU (electronic control unite) , the ECU is control this valve by sending power to it (usually when engine reach normal tempreture ie, Become hot), just the ECU sends the power to this valve and sense the short it shut off evry thing as a protection action.
Now please let me know,,,,
Thank you,,


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Essam Seddik


Gasoline cars: all types of engines electronic controls, electric diagrams and wiring, engines mechanical problems, accessories (security, audio video systems, lighting control etc...,) I have no knowledge on big trucks.


30 years, I have a car service for American and Korean cars.

Bachelor degree of mechatronic ,

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