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P0790 Engine Trouble Code

P0790 Engine

When you check engine light came on code P0790 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 P0790 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P0790 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.

P0790 Code Meaning :

P 0 7 9 0
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low Throttle/Pedal Position Sensor/Switch A Circuit Intermittent Cylinder 4 Contribution/Balance Fault 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.

P0790 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P0790 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For P0790 Code

The reason of P0790 OBD-II Engine Trouble Code is Throttle/Pedal Position Sensor/Switch A Circuit Intermittent.

Parts or components should not be replaced with reference to only a P0790 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.