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P3459 Engine Trouble Code

Meaning of P3459 engine trouble code is : When the check engine light comes P3459 code on the first you should check is the gas cap. Pull over, retighten it, and take a look at the cap to see if it has any cracks in it. Continue driving and see if the check engine light turns off. Alternately, you can purchase a gas cap for about $3 at an auto parts store. All you need to do is take the old one off and screw on the new one. If you've already made it to the store, you might as well just replace it. While not car-threatening, it's good to take care of this right away to improve gas mileage.

P3459 Possible Solution:

P3459 Engine

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.

P3459 Code Meaning :

P 3 4 5 9
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Ignition System Or Misfire O2 Sensor Heater Circuit Malfunction Cylinder 1 Injector Circuit Low Reverse Input Circuit

The oxygen (02) sensors on your car measure the oxygen in the exhaust to determine how rich or lean the ratio of fuel and air are in the cylinders. Optimizing this mixture means better fuel economy and fewer exhaust emissions.

P3459 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P3459 engine trouble code is about Reverse Input Circuit.

Reason For P3459 Code

The reason of P3459 OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.

Parts or components should not be replaced with reference to only a P3459 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.