QuestionQUESTION: 1990 deville. starts but runs rough and dies. eng codes f.8.0 .7.0 E52 E26, what do thes codes mean?
ANSWER: I have been out of town, Do you still need help ?.
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QUESTION: I have narrowed it down to the E26 code is the only one that means anything, do you know any means of checking these things that fall under this code without a scanner?
ANSWER: You have a shoted throttle switch.
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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QUESTION: do you mean throttle position sensor?
AnswerThe throttle position sensor is a totally different component. The throttle switch is within the IDLE SPEED CONTROL MOTOR.
If you purchase a new ISC MOTOR it needs to be set to specifications. Please e-mail: onlineautohelp@msn.com for pictures and directives on setting the ISC motor.
