check engine light

[lood]

I wash my 95 neon engine, now the engine light is on. Im getting codes 12,22,23,55. Is there away to reset that or what could it be? Thanks

[yogi_123rd]

Your codes:

22* Coolant sensor signal out of range
23* Incoming air temperature sensor may be bad

I sounds like there's water trapped in the sensor or possibly the connector. I recently had a simular problem on another car after driving thru a 4' puddle where water got in and shorted the IAT sensor. Due to it being mounted upside down, water collected in the sensor, shorted it out where I couldn't just dry it off, and I ended up replacing it. The IAT sensor affects gas flow and idle so you will notice that.

The IAT sensor should be in the air filter box, the coolant sensor may be located either on the bottom of the radiator or near the thermostat area.

Be aware that some of the codes can be history (i.e. old) codes and do not cause the MIL to come on. To reset the computer, the manual states that disconnecting the battery for 30 seconds should work and relearn the sensor states.

[Laveryt]

Originally Posted by yogi_123rd

Your codes:

22* Coolant sensor signal out of range
23* Incoming air temperature sensor may be bad

I sounds like there's water trapped in the sensor or possibly the connector. I recently had a simular problem on another car after driving thru a 4' puddle where water got in and shorted the IAT sensor. Due to it being mounted upside down, water collected in the sensor, shorted it out where I couldn't just dry it off, and I ended up replacing it. The IAT sensor affects gas flow and idle so you will notice that.

The IAT sensor should be in the air filter box, the coolant sensor may be located either on the bottom of the radiator or near the thermostat area.

Be aware that some of the codes can be history (i.e. old) codes and do not cause the MIL to come on. To reset the computer, the manual states that disconnecting the battery for 30 seconds should work and relearn the sensor states.

another way to clear the computer codes without undoing the battery and losing your clock and radio presets and the like, is to pull the fuse that feeds the fuel pump. it also supplys the power to the PCM.
This fuse is under the hood near the battery in the fuse / relay box there.
just pop out the fuse marked fuel pump for 30 seconds or so then pop it back in. then restart the engin to relearn its settings.

[lood]

Thanks for all your help I figured it out. It was the power training control moduler harness below or beside the break fluid. It had water in it the rubber, and the O rings where broken. I just blow it out with air to take the water out and put new O rings. So everything is good now. No more check engine light. Thanks again for your helps.