C3904 Engine Trouble Code
Meaning of C3904 engine trouble code is a kind of chassis trouble code and when the check engine light comes C3904 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.
C3904 Fault Symptoms :
If one of these reasons for C3904 code is occuring now you should check C3904 repair processes.
Now don't ask yourself; What should you do with C3904 code ?
The solution is here :
C3904 Possible Solution:
Disconnected, dirty or fouled spark plugs are common causes for engines that won't start. Spark plugs typically need to be replaced every season or 25 hours of use. You should also check that the spark plug gap is set properly. If your spark plugs look good, problems with your ignition system can also preventing a spark. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage.
C3904 Code Meaning :
|OBD-II Diagnostic Chassis (C) Trouble Code For Engine||Ignition System Or Misfire||Injector Circuit Malfunction - Cylinders||Cold Start Injector 1 Malfunction||Timing Reference High Resolution Signal A Too Many Pulses|
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.
C3904 OBD-II Diagnostic Chassis (C) Trouble Code DescriptionC3904 engine trouble code is about Timing Reference High Resolution Signal A Too Many Pulses.
Main reason For C3904 CodeThe reason of C3904 OBD-II Engine Trouble Code is Injector Circuit Malfunction - Cylinders.
C3904 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.