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P0448 Engine Trouble Code

P0448 Engine

When you check engine light came on code P0448 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 P0448 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P0448 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.

P0448 Code Meaning :

P 0 4 4 8
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low Fuel Temperature Sensor B Circuit Range/Performance Engine Shutoff Solenoid Malfunction 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.

P0448 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P0448 OBD-II Trouble Code The Evaporative Emission System (EVAP) canister vent control valve is located on the EVAP canister and is used to seal the canister vent. This solenoid (the EVAP canister vent control valve) responds P0448 code.

Reason For P0448 Code

The reason of P0448 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.

P0448 DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set.