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P2090 Engine Trouble Code

Meaning of P2090 engine trouble code is a kind of powertrain trouble code and P2090 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.

P2090 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 P2090 code is occuring now you should check P2090 repair processes.
Now don't ask yourself; What should you do with P2090 code ?
The solution is here :

P2090 Possible Solution:

P2090 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.

P2090 Code Meaning :

P 2 0 9 0
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering (Injector Circuit Malfunctions Only) Ambient Air Temperature Sensor Circuit Low Crankshaft Position Sensor A Circuit Malfunction Shift Solenoid E Performance or Stuck Off

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.

P2090 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P2090 engine trouble code is about Shift Solenoid E Performance or Stuck Off.

Main reason For P2090 Code

The reason of P2090 OBD-II Engine Trouble Code is Ambient Air Temperature Sensor Circuit Low.

P2090 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.