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P2644 Engine Trouble Code

Meaning of P2644 engine trouble code is a kind of powertrain trouble code and P2644 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.

P2644 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 P2644 code is occuring now you should check P2644 repair processes.
Now don't ask yourself; What should you do with P2644 code ?
The solution is here :

P2644 Possible Solution:

P2644 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.

P2644 Code Meaning :

P 2 6 4 4
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering (Injector Circuit Malfunctions Only) Fuel Temperature Sensor B Circuit Range/Performance Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector) Timing Reference High Resolution Signal A Too Many Pulses

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.

P2644 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P2644 engine trouble code is about Timing Reference High Resolution Signal A Too Many Pulses.

Main reason For P2644 Code

The reason of P2644 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.

P2644 DTCs may also be triggered by faults earlier down the line. For example, a dirty MAF sensor might be causing the car to overcompensate in its fuel-trim adjustments. As a result, oxygen sensors are likely to report fuel mixture problems.