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Opel Diplomat P1902 Engine Trouble Code

Theoretically you can drive for a few weeks or even months with a broken MAF sensor. You will notice a decrease in gas mileage and over time the car will eventually start stalling a lot. At a shop, the replacement cost is between $200-$300 depending on the car, but that's usually the cost of parts because the labor is relatively simple.

Opel Diplomat 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
Opel Diplomat Engine

When you check Opel Diplomat car engine light came on code P1902 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However manufacturer may have a different definition for the P1902 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P1902 Fault Symptoms :

  1. Check engine light comes on
  2. Engine stalling or misfiring
  3. Engine performance issues
  4. Car not starting
If one of these reasons for P1902 code is occuring now you should check P1902 repair processes.
Now don't ask yourself; What should you do with P1902 code ?
The solution is here :

Opel Diplomat P1902 Possible Solution :

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 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.