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C2066 Engine Code Repair

Meaning of C2066 engine trouble code is a kind of chassis trouble code and C2066 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.

C2066 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 C2066 code is occuring now you should check C2066 repair processes.
Now don't ask yourself; What should you do with C2066 code ?
The solution is here :

C2066 Possible Solution:

C2066 Engine

Air Conditioning Pressure Sensor (ACP) Insufficient Pressure Change Each time the A/C clutch engages, the PCM is looking for a pressure change in the refrigerant. If the change in pressure is outside of the calibration the DTC will set. A/C system mechanical failure Open ACP or VREF circuit A/C sensor damaged A/C system electrical failure A/C clutch always engaged Verify A/C system function, including refrigerant charge.

C2066 Code Meaning :

C
OBD-II Diagnostic Chassis (C) Trouble Code For Engine

2
Fuel And Air Metering (Injector Circuit Malfunctions Only)

0
Injector Circuit Malfunction - Cylinders

6
Cylinder 1 Injector Circuit Low

6
Crankshaft Position Sensor B 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.

C2066 OBD-II Diagnostic Chassis (C) Trouble Code Description

C2066 engine trouble code is about Crankshaft Position Sensor B Circuit Malfunction.

Main reason For C2066 Code

The reason of C2066 OBD-II Engine Trouble Code is Injector Circuit Malfunction - Cylinders.

C2066 DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set.