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Why does a 1993 Saturn service engine light come on and off at times What is wrong How do you get codes?
A short cut to check the codes on a 1993 Saturn; locate the code reader connector below the steering column under the dash. Insert a wire or paper clip between the upper right two pins of the connector. (pins are side by side) Cycle the key to the "on" position (engine off). The "service engine soon"light will flash the normal ignition code first -three times example blink - one (pause)....one...two (or code 12) repeat blink -one (pause)....one...two (code 12) repeat for a third time. Then the light will flash the next code> Blink - one...two...three (pause) one...two.. (or Code 32) ????EGR circuit failure???? repeat code 32 two more times. finally after all the codes are flashed the normal ignition code will appear again at the end of the cycle.
Remember each code will be repeated three times.
Some shop manuals have the codes listed in the books
Also I think this trick only works up to 1994 (update: actually to 1995. They went to OBDII in 1996).
Maybe try going to Autozone, they will check your codes for you for free.
hope this helps.
AnswerAutozone can't help you... they will only test I believe 1996 and up.
What else can I help you with?
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