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C0661 Engine Trouble Code

Meaning of C0661 engine trouble code is a kind of chassis trouble code and C0661 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.

C0661 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 C0661 code is occuring now you should check C0661 repair processes.
Now don't ask yourself; What should you do with C0661 code ?
The solution is here :

C0661 Possible Solution:

C0661 Engine

Power Steering Pressure (PSP) Switch Malfunction In Key On, Engine Off Self-Test, this DTC indicates the PSP input to the PCM is high. In Key On, Engine Running Self-Test, this DTC indicates that the PSP input did not change state. Steering wheel must be turned during Key On, Engine Running Self-Test PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged.

C0661 Code Meaning :

C 0 6 6 1
OBD-II Diagnostic Chassis (C) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low Fuel Temperature Sensor B Circuit Range/Performance Cylinder 4 Contribution/Balance Fault Crankshaft Position Sensor A Circuit Low Input

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.

C0661 OBD-II Diagnostic Chassis (C) Trouble Code Description

C0661 engine trouble code is about Crankshaft Position Sensor A Circuit Low Input.

Main reason For C0661 Code

The reason of C0661 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.

C0661 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.