P042B Engine Trouble Code
Meaning of P042B engine trouble code is a kind of powertrain trouble code and when the check engine light comes P042B 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.
P042B Fault Symptoms :
If one of these reasons for P042B code is occuring now you should check P042B repair processes.
Now don't ask yourself; What should you do with P042B code ?
The solution is here :
P042B 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.
P042B Code Meaning :
|OBD-II Diagnostic Powertrain (P) Trouble Code For Engine||Intake Valve Control Solenoid Circuit Low||O2 Sensor Heater Circuit Malfunction||Turbocharger Boost Sensor A Circuit Low|
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.
P042B OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP042B engine trouble code is about .
Main reason For P042B CodeThe reason of P042B OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.
Parts or components should not be replaced with reference to only a P042B DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.