Logo

P2704 Engine Code Repair

Meaning of P2704 engine trouble code is a kind of powertrain trouble code and P2704 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.

P2704 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 P2704 code is occuring now you should check P2704 repair processes.
Now don't ask yourself; What should you do with P2704 code ?
The solution is here :

P2704 Possible Solution:

P2704 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.

P2704 Code Meaning :

P
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine

2
Fuel And Air Metering (Injector Circuit Malfunctions Only)

7
Fuel Temperature Sensor B Circuit Range/Performance

0
Crankshaft Position Sensor A 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.

P2704 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P2704 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Main reason For P2704 Code

The reason of P2704 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.

P2704 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.