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P1209 Engine Trouble Code

Meaning of P1209 engine trouble code is a kind of powertrain trouble code and P1209 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.

P1209 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 P1209 code is occuring now you should check P1209 repair processes.
Now don't ask yourself; What should you do with P1209 code ?
The solution is here :

P1209 Possible Solution:

P1209 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.

P1209 Code Meaning :

P 1 2 0 9
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering Manifold Absolute Pressure/Barometric Pressure Circuit High Input Cold Start Injector 1 Malfunction Reverse Input Circuit

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.

P1209 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1209 OBD-II Trouble Code Injector Control Pressure System Fault is one of the definitions for the P1209; however your vehicles manufacturer may have a different definition for the P1209 code. Please check below for your speci P1209 code.

Main reason For P1209 Code

The reason of P1209 OBD-II Engine Trouble Code is Manifold Absolute Pressure/Barometric Pressure Circuit High Input.

Parts or components should not be replaced with reference to only a P1209 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.