C1797 Engine Trouble Code
When you check engine light came on code C1797 the reason should be . However your vehicle's manufacturer may have a different definition for the C1797 OBD-II Diagnostic Chassis (C) Trouble Code. So you should chech it on our car models.
When the check engine light comes C1797 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.
C1797 Code Meaning :
|OBD-II Diagnostic Chassis (C) Trouble Code For Engine||Fuel And Air Metering||Throttle/Pedal Position Sensor/Switch A Circuit Intermittent||Cylinder 4 Contribution/Balance Fault||Crankshaft Position Sensor B Circuit Malfunction|
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.
C1797 OBD-II Diagnostic Chassis (C) Trouble Code DescriptionC1797 engine trouble code is about Crankshaft Position Sensor B Circuit Malfunction.
Reason For C1797 CodeThe reason of C1797 OBD-II Engine Trouble Code is Throttle/Pedal Position Sensor/Switch A Circuit Intermittent.
C1797 DTCs may also be triggered by faults earlier down the line. For example, a dirty MAF sensor might be causing the car to overcompensate in its fuel-trim adjustments. As a result, oxygen sensors are likely to report fuel mixture problems.