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C3694 Engine Code Repair

Meaning of C3694 engine trouble code is a kind of chassis trouble code and C3694 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.

C3694 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 C3694 code is occuring now you should check C3694 repair processes.
Now don't ask yourself; What should you do with C3694 code ?
The solution is here :

C3694 Possible Solution:

C3694 Engine

Power Steering Pressure (PSP) Switch Signal Malfunction The PCM counts the number of times vehicle speed transitions from 0 to a calibratable speed. After a calibratable number of speed transitions the PCM expects that the PSP input should have changed. This DTC is set if the transition is not detected. Vehicle towed with engine running Power steering hydraulic concern was repaired but DTC was not erased PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged Check, if possible, if vehicle was towed or power steering service was performed. Observe PSP V PID while checking wires for intermittents.

C3694 Code Meaning :

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

3
Ignition System Or Misfire

6
Fuel Composition Sensor Circuit Malfunction

9
Ignition/Distributor Engine Speed Input Circuit Malfunction

4
Exhaust Gas Recirculation Sensor B Circuit High

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.

C3694 OBD-II Diagnostic Chassis (C) Trouble Code Description

C3694 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Main reason For C3694 Code

The reason of C3694 OBD-II Engine Trouble Code is Fuel Composition Sensor Circuit Malfunction.

C3694 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.