3 places to check...when in the trunk..look at the left side and there sould be a pannel or behind some carpeting a fuse box...under the hood and the fuse block usuallt in the door frame on the side of dash or under dash
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disconnect the battery ground drain coolant raise the cardisconnect the cooling fans eletrical remove the bolts on the lower part of the fan lower car and remove air intake duct remove the bolts on the upper part of the fan remove upper radiator mounting pannels then remove the fan disconnect the coolant hoses and the transaxle oil cooler lines remove radiator reverse staps to install
First, it would be really nice if you were to take the time to mention WHICH ENGINE your Cadillac is equipped with. It makes providing you with a FREE answer a whole lot easier. The Manifold Air Temperature (MAT) sensor for the 3.8L engine is located in the air duct for the air cleaner on the left side of the engine.
The MAT sensor for the 4.1L engine is located at the top right center of the engine, just behind the throttle body.
P0029 - Exhaust Valve Control Solenoid Circuit Range/Performance Bank 2 Causes: - Dirty engine oil
- Low engine oil level
- Exhaust valve control solenoid circuit open or shorted
- Exhaust valve control solenoid circuit poor electrical connection
- Faulty exhaust valve control solenoid
Solutions: - Change oil - Replace exhaust valve control solenoid
P0047 - Turbocharger/Supercharger Boost Control A Circuit Low This vehicle is not equipped with a turbocharger or supercharger if it is a 1994.
P0137 - o2 Sensor Circuit Low Voltage Bank 1 Sensor 2 Causes: - Sensor circuit harness or connectors is open or shorted
- Rear heated oxygen sensor Bank 1 may be faulty
- Fuel pressure may be faulty
- Fuel injector may be faulty
- Intake air leaks
Solution: Replacing the O2 Sensor 2 usually takes care of the problem.
P0107 - Manifold Absolute Pressure/Barometric Pressure Circuit Low Input Causes: - Damage harness or connectors - MAP sensor circuit is open or shorted - MAP sensor - Damaged PCM or ECM
Solutions: - If damage, repair MAP sensor harness or connector - Replace MAP sensor - Replace PCM or ECM
If you have a key with a resister in it , it may be the ignition cylinder itself. If you do not have a resister in your key , you should check for bad body grounds along the fenders and firewall. You can also try disconnecting the battery negative cable for 20 secs. and retry.
OPEN THE IGNITION KEY WERE IS THE C/C PRESS THE BUTON OFF AND THE BUTON WARM FOR 5 SECONDS AND YOU GOING TO SEE A DISPLAY IN THE DASH ABOUT ALL HTE CODES YOU CAR HAS AND THE END YOU WILL SEE MCM? THEN PRESS HI SPEED WERE THE A/C IS THEN PRESS LOW THEN HI AND THAT IS THE WAY YOU WILL ERASE THE CODES IN YOUR CAR