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1991 Chevrolet Cavalier RS 2.2L MIL Lamp on
Posted to GM Driveability on 10/27/2006 3 Replies

Came in for the code 23 MAT too low and we installed a new sensor and later a computer when we found the sensor did not fix it. Since then we have run new wires from the sensor to the ECM and done some voltage drop testing at the ECM. There is .01 volts drop b...

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  Related Documents & Media  1991 Chevrolet Cavalier RS

 
Message Closed w/FIX

car Vehicle Data

1991 Chevrolet Cavalier RS

VIN 1G1JC14GXM
Engine2.2 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI / tbi
Emissionsfed
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

23Manifold Air Temperature low
Message Closed w/FIX

car Vehicle Data

1991 Chevrolet Cavalier RS

VIN 1G1JC14GXM
Engine2.2 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI / tbi
Emissionsfed
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

23Manifold Air Temperature low