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P0458 Engine Trouble Code

P0458 Engine

When you check engine light came on code P0458 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However your vehicle's manufacturer may have a different definition for the P0458 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P0458 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.

P0458 Code Meaning :

P 0 4 5 8
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low Fuel Temperature Sensor B Circuit Range/Performance Turbocharger Boost Sensor A Circuit Low Timing Reference High Resolution Signal A Too Many Pulses

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.

P0458 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P0458 OBD-II Trouble Code The Evaporative Emission System ( P0458 code.

Reason For P0458 Code

The reason of P0458 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.

P0458 DTC reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem. The fault is most likely to be caused by the systems that the sensor is monitoring, but might even be caused by the wiring to the sensor itself.