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P1155 Engine Trouble Code

Meaning of P1155 engine trouble code is : P1155 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.

P1155 Possible Solution:

P1155 Engine

Gasoline engines use spark plugs to cause an explosion of fuel within the cylinder. In a properly timed engine, this explosion occurs at the proper moment to send the piston to the bottom of the cylinder and provide power to the drive shaft. If the plug wires are out of sequence, the explosion occurs at the wrong time. The improper timing of the explosion sometimes pushes the cylinder the wrong direction or interferes with the turning of the crank. As a result, the engine stutters or backfires, if it runs at all.

P1155 Code Meaning :

P 1 1 5 5
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering Fuel Rail/System Pressure - Too High Cylinder 1 Injector Circuit Low Crankshaft Position Sensor B Circuit Malfunction

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.

P1155 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1155 OBD-II Trouble Code Alternative Fuel Controller is one of the definitions for the P1155; however your vehicles manufacturer may have a different definition for the P1155 code. Please check below for your specific make. P1155 code.

Reason For P1155 Code

The reason of P1155 OBD-II Engine Trouble Code is Fuel Rail/System Pressure - Too High.

P1155 DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set.