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Jerry, Master Mechanic
Category: Dodge
Satisfied Customers: 1754
Experience:  ASE Master tech, 30 years exp. troubleshooter, driveability tech
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We were running down an a/c related problem and smoked the

Customer Question

Good afternoon. We were running down an a/c related problem and smoked the ECM. We have since replaced thw ECM with the correct unit, but the 2002 3.3L caravan still runs a little rough (very rough with limited RPM at times)
JA: How many miles are on the car? Have you been losing oil or coolant?
Customer: It has 175k on it and doesn't lose fluids
JA: Are you fixing your Caravan yourself? What have you tried so far?
Customer: I am a pro shop that has becoming increasingly frustrated with this performance issue. New plugs & wires, a new ECM, throttle body cleaned etc.
JA: Anything else you want the mechanic to know before I connect you?
Customer: I can't think of anything else at the moment' Someone has suggested the module related to the immobilization feature could be suspect.
Submitted: 12 months ago.
Category: Dodge
Expert:  Amedee replied 12 months ago.

Hello and welcome! My name isCustomerand I can assist you with your question. I take it your trying to diagnose a rough running condition? Are you looking for some possible causes or a little help? Any codes in the computer? Would you be willing to speak on the phone?

Customer: replied 12 months ago.
you are welcome to call. The rough running condition is somewhat intermittent. The computer is not throwing any codes.
Expert:  Amedee replied 12 months ago.

Please accept my offer and call me

Customer: replied 12 months ago.
I did not realize the question included a $26 aspect. Are you unable to offer suggestions based on the symptoms i shared?
Expert:  Amedee replied 12 months ago.

I can

Customer: replied 12 months ago.
Okay i will stand by thanks
Expert:  Amedee replied 12 months ago.

Can I start by getting the codes in the computer?

Customer: replied 12 months ago.
The computer is not throwing a code.
Expert:  Amedee replied 12 months ago.

Ok no problem. What is the engine vacuum at idle?