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Cadillac Repair/rough engine at start

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My Concourse
My Concourse  
QUESTION: For the last 10 days, when I start my 1997 deVille it runs rough as though it's missing and not getting enough fire or fuel. After about 30-45 seconds, it runs fine. I had the plugs and wires replaced three years ago so I'm inclined to think it's a fuel feeder problem. Any suggestions would be appreciated.

ANSWER: I have been out of town, Do you still need help ?.

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

QUESTION: Yes, the car still has the same symptoms. After about 30-45 seconds, it runs fine until I shut down again.
Thank you

ANSWER: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other lights illuminated or any messages from the message display center ?.

What work or diagnostics of ANYKIND WHAT-SO-EVER have been performed on the vehicle trying to fix this problem ?.


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

QUESTION: No work or diagnostics have been performed, but, YES the Check Engine light came on when this problem started.

Answer
If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, Simple electrical schematics, Test procedures and picture locations of the components within the system that is causing you problems of which can't be done on this website which only allows one picture. I do not have a website so you will have to e-mail: onlineautohelp@msn.com in order to obtain the information necessary to fix your vehicle.

Cadillac Repair

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On hands professional expertise in all aspects of Cadillac diagnostics and repair mid 1970`s thru 2000 year vehicles. GM certified in electronic fuel injection, Automatic transmission, Heating and A/C, and onboard vehicle computer diagnostics.

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Held over 15 GM certifications prior to retirement in 1989.

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Prior to retirement held several ASE certifications, numerous Factory certifications.

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