Quote:
Originally Posted by KILURV8
What would cause my entire tune to go rich? I had the car running perfect and then the other day my idle was running at a cf of -10.3 (the most I can ever seem to get it to remove) and was still running rich. At cruise, I used to be able to get the cruise at 16:1 at lean cruise, now it is pulling -20 and barely getting to 14.7. What should I be looking for? I didn't touch a damn thing on the car. Is this my wonderful 98 ecu causing me grief?
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Go thru all the sensors on the sensor display page and write down what they read. let me know.
Its most likely a sensor signal.
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