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P1142 Engine Trouble Code

Meaning of P1142 engine trouble code is : When your car's 'P1142 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off.

P1142 Possible Solution:

P1142 Engine

Disconnected, dirty or fouled spark plugs are common causes for engines that won't start. Spark plugs typically need to be replaced every season or 25 hours of use. You should also check that the spark plug gap is set properly. If your spark plugs look good, problems with your ignition system can also preventing a spark. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage.

P1142 Code Meaning :

P 1 1 4 2
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering Fuel Rail/System Pressure - Too High Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector) Glow Plug/Heater Circuit 'A' Malfunction

Is the fuel pump sometimes not priming when you turn the key to ON(II)? Start by measuring the fuel pressure and checking whether you have bright white-bluish spark at all four plugs. The mechanical timing is also something that you should check, as we mentioned above.

P1142 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1142 OBD-II Trouble Code Fuel Restriction Condition is one of the definitions for the P1142; however your vehicles manufacturer may have a different definition for the P1142 code. Please check below for your specific make. P1142 code.

Reason For P1142 Code

The reason of P1142 OBD-II Engine Trouble Code is Fuel Rail/System Pressure - Too High.

P1142 the main thing to check is to verify the operation of the VCT solenoid. You're looking for a sticking or stuck VCt solenoid valve caused by contamination. Refer to vehicle specific repair manual to perform component tests for the VCT unit.