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P1902 Engine Trouble Code

Meaning of P1902 engine trouble code is : P1902 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.

P1902 Possible Solution:

P1902 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.

P1902 Code Meaning :

P 1 9 0 2
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering Injector Circuit Malfunction - Cylinders Cold Start Injector 1 Malfunction Glow Plug/Heater Circuit 'A' 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.

P1902 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1902 engine trouble code is about Glow Plug/Heater Circuit 'A' Malfunction.

Reason For P1902 Code

The reason of P1902 OBD-II Engine Trouble Code is Injector Circuit Malfunction - Cylinders.

Parts or components should not be replaced with reference to only a P1902 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.