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P1178 Engine Trouble Code

P1178 Engine

When you check engine light came on code P1178 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However your vehicle's manufacturer may have a different definition for the P1178 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

When the check engine light comes P1178 code on the first you should check is the gas cap. Pull over, retighten it, and take a look at the cap to see if it has any cracks in it. Continue driving and see if the check engine light turns off. Alternately, you can purchase a gas cap for about $3 at an auto parts store. All you need to do is take the old one off and screw on the new one. If you've already made it to the store, you might as well just replace it. While not car-threatening, it's good to take care of this right away to improve gas mileage.

P1178 Code Meaning :

P 1 1 7 8
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering Engine Oil Temperature Sensor Malfunction Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector) Timing Reference High Resolution Signal A Too Many Pulses

The oxygen (02) sensors on your car measure the oxygen in the exhaust to determine how rich or lean the ratio of fuel and air are in the cylinders. Optimizing this mixture means better fuel economy and fewer exhaust emissions.

P1178 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1178 OBD-II Trouble Code Linear Oxygen Sensor Pump Current Open Circuit is one of the definitions for the P1178; however your vehicles manufacturer may have a different definition for the P1178 code. Please check below for yo P1178 code.

Reason For P1178 Code

The reason of P1178 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

P1178 DTC reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem. The fault is most likely to be caused by the systems that the sensor is monitoring, but might even be caused by the wiring to the sensor itself.