Logo

B0746 Engine Code Repair

Meaning of B0746 engine trouble code is a kind of body trouble code and B0746 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.

B0746 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 B0746 code is occuring now you should check B0746 repair processes.
Now don't ask yourself; What should you do with B0746 code ?
The solution is here :

B0746 Possible Solution:

B0746 Engine

Excessive air inflow can be caused by a vacuum leak, a dirty sensor or, an exhaust gas recirculation valve not closing properly. If the problem is not enough fuel, the culprit may be dirty injectors or fuel filters, a weak fuel pump or a leaky fuel pressure regulator. The lean fuel mix error may be accompanied by rough idling, engine misfires, hesitation during acceleration and overall poor engine performance.

B0746 Code Meaning :

B
OBD-II Diagnostic Body (B) Trouble Code For Engine

0
Intake Valve Control Solenoid Circuit Low

7
Fuel Temperature Sensor B Circuit Range/Performance

4
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

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.

B0746 OBD-II Diagnostic Body (B) Trouble Code Description

B0746 engine trouble code is about Crankshaft Position Sensor B Circuit Malfunction.

Main reason For B0746 Code

The reason of B0746 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.

Parts or components should not be replaced with reference to only a B0746 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.