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P1873 Engine Trouble Code

Meaning of P1873 engine trouble code is : P1873 if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,000 and you can't do it yourself unless you're an experienced mechanic.

P1873 Possible Solution:

P1873 Engine

The crankshaft sensor signals the fuel injection computer or the ignition control when the cylinders are firing. This causes the ignition coil to provide a spark and the injector to inject fuel into each cylinder at the right time.If either sensor isn't working correctly, the car will run rough and the engine will be less efficient. In later car models, the car's computer can usually keep the vehicle running, but the engine warning light on the dashboard goes on to warn the driver.

P1873 Code Meaning :

P 1 8 7 3
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

The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate.

P1873 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1873 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For P1873 Code

The reason of P1873 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

P1873 DTCs may also be triggered by faults earlier down the line. For example, a dirty MAF sensor might be causing the car to overcompensate in its fuel-trim adjustments. As a result, oxygen sensors are likely to report fuel mixture problems.