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P1151 Engine Code Repair

Meaning of P1151 engine trouble code is a kind of powertrain trouble code and P1151 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.

P1151 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 P1151 code is occuring now you should check P1151 repair processes.
Now don't ask yourself; What should you do with P1151 code ?
The solution is here :

P1151 Possible Solution:

P1151 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.

P1151 Code Meaning :

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

1
Fuel And Air Metering

1
Ambient Air Temperature Sensor Circuit Low

5
Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)

1
Shift Solenoid E Performance or Stuck Off

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.

P1151 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1151 OBD-II Trouble Code Lack Of HO2S21 Switch - Sensor Indicates Lean is one of the definitions for the P1151; however your vehicles manufacturer may have a different definition for the P1151 code. Please check below for you P1151 code.

Main reason For P1151 Code

The reason of P1151 OBD-II Engine Trouble Code is Ambient Air Temperature Sensor Circuit Low.

Parts or components should not be replaced with reference to only a P1151 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.