Logo

P149D Engine Trouble Code

Meaning of P149D engine trouble code is a kind of powertrain trouble code and when your car's 'P149D 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.

P149D 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 P149D code is occuring now you should check P149D repair processes.
Now don't ask yourself; What should you do with P149D code ?
The solution is here :

P149D Possible Solution:

P149D Engine

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.

P149D Code Meaning :

P 1 4 9 d
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering O2 Sensor Heater Circuit Malfunction Crankshaft Position Sensor A Circuit 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.

P149D OBD-II Diagnostic Powertrain (P) Trouble Code Description

P149D engine trouble code is about .

Main reason For P149D Code

The reason of P149D OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.

P149D 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.