1996 Plymouth Voyager service engine soon light

1996 PLYMOUTH VOYAGER
60,000 MILES • 6 CYL • 2WD • AUTOMATIC
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GRAYDAVYBOY
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  • 3 POSTS
Service engine soon light just came on. No noises, smells, etc. What to look for? Can I fix it myself? Will an auto parts store run a diagnostic?
Mar 19, 2010 at 8:48 PM
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BLUELIGHTNIN6
  • CAR REPAIR CONTRIBUTOR
  • 16,542 POSTS
you can retrieve the trouble code(s) that are stored by using the check engine light. to do this, turn the ignition ON and make sure the light comes on for 3 seconds then goes off. if OK, attempt to start teh engine. turn ignition off. without starting engine, turn ignition ON, OFF, ON, OFF and then ON within 5 seconds. the light will flash 2-digit codes. for example, a code 24 will be 2 flashes, short pause, then 4 flashes. let me know what code(s) you get and i will follow up.
Mar 19, 2010 at 8:58 PM
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GRAYDAVYBOY
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  • 3 POSTS
Code was 12.
Mar 19, 2010 at 9:14 PM
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GRAYDAVYBOY
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  • 3 POSTS
Had someone check the code. It was 0138. Downstream O2 Sensor. Went to change it but could not. It's attached to the exhaust pipe and will not loosen. But after banging on it all those times trying to get it loose, the light is no longer on.
Mar 20, 2010 at 4:55 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.