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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 > 94 Cadillac STS

Cadillac Repair - 94 Cadillac STS


Expert: autohelp - 11/9/2009

Question
quick question...i have a 1994 cadillac sts and its idling high sometimes..it would idle up to 3 grand and stay there..sometimes when ipush the brake the idle immediately lowers down to normal..i got itchecked gave metwo codes...p0027- open throttle position (TP) switch circuit and p0074-intermittent intake air temperature sensor..so for thefirst one..is it thesensor thatneeds to to be changed or the circuit for it? and also would you know where this is located, a picture will help, andif you know about the second code let me know..thanks

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.


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