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Cadillac Repair/91 eldorado 4.9

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Question
QUESTION: Cleared all codes.The auto button didn't work as you said to push.But somehow I got it cleared.

ANSWER: OK, As long as they are cleared.

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

QUESTION: Waited about 10 min after clearing codes started engine still not running right no codes appeared. I,am thinking bad disturber.

Answer
If you had a fault in any of the distributor components, You would see the CHECK ENGINE light illuminate.

What work of any kind has been performed on the vehicle lately.

Did this rough running occur suddenly or over time it kept getting worse ?.

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Expertise

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.

Experience

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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