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Mini Mk P2789 Engine Trouble Code

Mini Mk P2789 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.

Mini Mk P2789 Code Meaning :

P 2 7 8 9
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering (Injector Circuit Malfunctions Only) Fuel Rail Pressure Sensor Circuit Malfunction Ignition/Distributor Engine Speed Input Circuit Malfunction Reverse Input Circuit
Mini Mk Engine

When you check Mini Mk car engine light came on code P2789 the reason should be . However manufacturer may have a different definition for the P2789 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P2789 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 P2789 code is occuring now you should check P2789 repair processes.
Now don't ask yourself; What should you do with P2789 code ?
The solution is here :

Mini Mk P2789 Possible Solution :

The crankshaft sensor signals the fuel injection computer or the ignition control when the cylinders are firing. This causes the ignition coil to provide a spark and the injector to inject fuel into each cylinder at the right time.If either sensor isn't working correctly, the car will run rough and the engine will be less efficient. In later car models, the car's computer can usually keep the vehicle running, but the engine warning light on the dashboard goes on to warn the driver.

P2789 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P2789 engine trouble code is about Reverse Input Circuit.

Reason For P2789 Code

The reason of P2789 OBD-II Engine Trouble Code is Fuel Rail Pressure Sensor Circuit Malfunction.

Parts or components should not be replaced with reference to only a P2789 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.