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P2684 Engine Trouble Code

Meaning of P2684 engine trouble code is a kind of powertrain trouble code and P2684 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 $2,140 and you can't do it yourself unless you're an experienced mechanic.

P2684 Fault Symptoms :

Check engine light comes on
Engine stalling or misfiring
Engine performance issues
Car not starting

If one of these reasons for P2684 code is occuring now you should check P2684 repair processes.
Now don't ask yourself; What should you do with P2684 code ?
The solution is here :

P2684 Possible Solution:

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.

P2684 Code Meaning :

P	2	6	8	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	Ignition/Distributor Engine Speed Input Circuit Malfunction	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.

P2684 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P2684 engine trouble code is about Timing Reference High Resolution Signal A Too Many Pulses.

Main reason For P2684 Code

The reason of P2684 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.

P2684 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.

	Example: 0140