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1994 850 turbo diagnostic codes - check engine 850 1994

posted by  Hamfisted on  Thu Jun 26 04:49 CST 2003
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My book for the '95 Turbo says its the rear O2 sensor also. How old are the sensors? I would change either the rear or both to get rid of the code and fix the problem. Here's how I clear the DTC's on my '95:
....Once all faults have been corrected,turn the ignition switch to the ON position(engine not running). Recheck the codes,then depress the button for 5 seconds and release. After 3 seconds, the LED should light up. While the LED is lit,depress the button again for 5 seconds,when the button is released,the LED should go out.
Thats always worked for me in the past. You can get the factory O2 sensors from FCPGroton.com for $115/$108 each. Good luck........... Mike






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