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About autohelp
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.

 
   

You are here:  Experts > Shopping > Vintage Cars > Cadillac Repair > Codes on 1992 Eldorado

Cadillac Repair - Codes on 1992 Eldorado


Expert: autohelp - 10/16/2009

Question
The "service engine soon" light is on.  I read the codes and came up with E046 and E090, also ED02 and Ed01.  Can you help?

Answer
After EACH code displays either the word HISTORY or CURRENT appears.

Whisc codes are CURRENT and which are HISTORY ?.

E046 = Right to left fuel volume difference.

E090 = Overdrive brake switch problem.

ED01 = throttle position setting.

ED02 = Manifold Absolute Pressure setting.

Please e-mail: onlineautohelp@msn.com

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