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CEL code when cruising and not in boost.

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Old 05-15-2002, 08:08 AM
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Default CEL code when cruising and not in boost.

It seems that I am getting a CEL code 43 when I am cruising, little to no boost. No codes while I am boosting. Any ideas?
Old 05-15-2002, 08:49 AM
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Default Re: CEL code when cruising and not in boost. (blackteg)

reset your ecu or turn off your car. It will come back too, just reset again. It is the by product of runing rich/bad O2. Just a very weird problem.
Old 05-15-2002, 09:39 AM
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Default Re: CEL code when cruising and not in boost. (Doodoo)

This code really refers to the Long Term & Short Term Fuel Trim values. The ECU can only compensate by +/- 20%. It knows to compensate by looking at the O2 voltage. If the O2 is showing rich, the ECU wants to lean it back out to keep good emmisions. If the ECU hits the floor (-20%), you get the light.

So, as was said before, it IS a by-product of your O2 output.
Old 05-15-2002, 10:27 AM
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Default Re: CEL code when cruising and not in boost. (EE_Chris)

Thanks, it makes perfect sense now. Time for a better O2 sensor.
Old 05-15-2002, 11:08 AM
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Default Re: CEL code when cruising and not in boost. (blackteg)

I had the same thing happen after I installed hondata, and 440s....I reset it, and it went away.

prolly due to running REALLY rich.
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