C1109 Engine Trouble Code
Meaning of C1109 engine trouble code is a kind of chassis trouble code and when the check engine light comes C1109 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.
C1109 Fault Symptoms :
If one of these reasons for C1109 code is occuring now you should check C1109 repair processes.
Now don't ask yourself; What should you do with C1109 code ?
The solution is here :
C1109 Possible Solution:
Power Steering Pressure (PSP) Switch Malfunction In Key On, Engine Off Self-Test, this DTC indicates the PSP input to the PCM is high. In Key On, Engine Running Self-Test, this DTC indicates that the PSP input did not change state. Steering wheel must be turned during Key On, Engine Running Self-Test PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged.
C1109 Code Meaning :
|OBD-II Diagnostic Chassis (C) Trouble Code For Engine||Fuel And Air Metering||Fuel Rail/System Pressure - Too High||Cold Start Injector 1 Malfunction||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.
C1109 OBD-II Diagnostic Chassis (C) Trouble Code DescriptionC1109 engine trouble code is about Reverse Input Circuit.
Main reason For C1109 CodeThe reason of C1109 OBD-II Engine Trouble Code is Fuel Rail/System Pressure - Too High.
C1109 DTC reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem. The fault is most likely to be caused by the systems that the sensor is monitoring, but might even be caused by the wiring to the sensor itself.