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P0458 Engine Trouble Code

Meaning of P0458 engine trouble code is a kind of powertrain trouble code and 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 $2,140 and you can't do it yourself unless you're an experienced mechanic.

P0458 Fault Symptoms :

Check engine light comes on
Engine stalling or misfiring
Engine performance issues
Car not starting

If one of these reasons for P0458 code is occuring now you should check P0458 repair processes.
Now don't ask yourself; What should you do with P0458 code ?
The solution is here :

P0458 Possible Solution:

The crankshaft sensor signals the fuel injection computer or the ignition control when the cylinders are firing. This causes the ignition coil to provide a spark and the injector to inject fuel into each cylinder at the right time.If either sensor isn't working correctly, the car will run rough and the engine will be less efficient. In later car models, the car's computer can usually keep the vehicle running, but the engine warning light on the dashboard goes on to warn the driver.

P0458 Code Meaning :

P	0	4	5	8
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine	Intake Valve Control Solenoid Circuit Low	O2 Sensor Heater Circuit Malfunction	Cylinder 1 Injector Circuit Low	Clutch Position Sensor Circuit Malfunction

The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate.

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

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

Main reason For P0458 Code

The reason of P0458 OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.

P0458 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.

	Example: 0140