Cadillac Model B P1129 Engine Trouble Code
Theoretically you can drive for a few weeks or even months with a broken MAF sensor. You will notice a decrease in gas mileage and over time the car will eventually start stalling a lot. At a shop, the replacement cost is between $200-$300 depending on the car, but that's usually the cost of parts because the labor is relatively simple.
Cadillac Model B P1129 Code Meaning :
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine
Fuel And Air Metering
Engine Oil Temperature Sensor Malfunction
Cylinder 10 Contribution/balance Fault
Exhaust Gas Recirculation Sensor B Circuit High

When you check Cadillac Model B car engine light came on code P1129 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However manufacturer may have a different definition for the P1129 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
P1129 OBD-II Diagnostic Powertrain (P) Trouble Code Description
P1129 OBD-II Trouble Code Downstream Oxygen Sensors Swapped from Bank to Bank is one of the definitions for the P1129; however your vehicles manufacturer may have a different definition for the P1129 code. Please check below f P1129 code.Reason For P1129 Code
The reason of P1129 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.P1129 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.
P1128 Previous Engine Trouble Code For Cadillac Model B | Next Engine Trouble Code For Cadillac Model B P112A |