I blew my head gasket 8 months ago. After dealing with that, and replacing a cam due to wasting a lobe, I finally got it up and running. I broke the new cam in and everything seemed fine. I drove it about a mile the next day and everything seemed normal. Two day later it wouldn't idle and stumbled and stalled when I drove it. Internally it sounds fine (valve train) and there are no fluids mixing (water/oil). This is what I've tried so far:
Tried Adusting IAC - It will not come down within specs, but I can't keep the RPMs at idle to set it right.
Checked for vacumm leaks.
Swapped ECMs and chips - I have 2 ECM. Could something have fried both?
Replaced a MAT sensor - I've had a code 23 for years and never had any problems with it. I replaced the sensor anyway and the code will not clear/stay cleared. NO OTHER CODES PRESENT..
Replaced O2 sensor.
In addition, something is draining my battery in a 24 hour period.
Any thoughts or ideas??
Tried Adusting IAC - It will not come down within specs, but I can't keep the RPMs at idle to set it right.
Checked for vacumm leaks.
Swapped ECMs and chips - I have 2 ECM. Could something have fried both?
Replaced a MAT sensor - I've had a code 23 for years and never had any problems with it. I replaced the sensor anyway and the code will not clear/stay cleared. NO OTHER CODES PRESENT..
Replaced O2 sensor.
In addition, something is draining my battery in a 24 hour period.
Any thoughts or ideas??