What causes an O2 sensor code of p0133?
What causes an O2 sensor code of p0133? What causes the P0133 code? 1 A faulty O2 Sensor 2 A leaking exhaust manifold 3 An engine vacuum leak 4 An open or short in the wiring of the O2 sensor 5 Soot or oil buildup on the O2 sensor (excessive buildup will clog the ports the sensor uses to measure the air fuel ratio) 6 A dirty mass air flow sensor 7 Incorrect fuel pressure How much does it cost to replace a p0133 Ford sensor? Replacing the Front Heated Oxygen Sensor Bank 1 usually takes care of the problem....