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FIXITMAN, Master Technician
Category: Cadillac
Satisfied Customers: 17284
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Cadillac Cts: Hey mike I have the same problem 2003 cts missfir

Customer Question

Hey mike I have the same problem 2003 cts missfir on 135. Spark plugs replaced timingbelt water pump compretion good leak down test good coil pack replace. Wtf
Submitted: 1 year ago.
Category: Cadillac
Expert:  FIXITMAN replied 1 year ago.
Hello, my name is***** you tell me how the engine is actually running.
Customer: replied 1 year ago.
Well it seems to run well under a load but engine lite starts flashing but while at idle it seem to stay norman the all the sudden it will start to frop idle like it wants to die but it doesnt die out...
Customer: replied 1 year ago.
you there..
Expert:  FIXITMAN replied 1 year ago.
Sorry for the delay in getting back to you. Did you still need help with this?
Customer: replied 1 year ago.
Customer: replied 1 year ago.
Well? Sos sos
Expert:  FIXITMAN replied 1 year ago.
Thank you. I am having some connection issues so bare with me. As for the car, typically when you get misfires on only one bank on this engine it is due to a malfunctioning cam actuator. It can also be an electrical issue affecting the firing of those coils. Did you plan on fixing this yourself?
Customer: replied 1 year ago.
Yes if possible...
Customer: replied 1 year ago.
Were are the camshaft actuators located..
Customer: replied 1 year ago.
Also it is a 3.2
Expert:  FIXITMAN replied 1 year ago.
Thanks. After rereading your description it sounds like a circuit issue with the coil pack for that bank. What brand coil pack did you install?
Customer: replied 1 year ago.
Borg warner
Expert:  FIXITMAN replied 1 year ago.
That should be a decent coil. I would start by checking the ground connection for the could near the coil pack on the engine. Make sure it is clean and tight. Then check the connections at the ECM. I would apply some dielectric grease to those connections. Reset the codes and see if it returns.
Customer: replied 1 year ago.
The ecm is mointed to the pass side valve cover right?
Expert:  FIXITMAN replied 1 year ago.