DF502 Engine Code Repair
Meaning of DF502 engine trouble code is a kind of and when the check engine light comes DF502 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.
DF502 Fault Symptoms :
- Check engine light comes on
- Engine stalling or misfiring
- Engine performance issues
- Car not starting
If one of these reasons for DF502 code is occuring now you should check DF502 repair processes.
Now don't ask yourself; What should you do with DF502 code ?
The solution is here :
DF502 Possible Solution:
Power Steering Pressure (PSP) Switch Signal Malfunction The PCM counts the number of times vehicle speed transitions from 0 to a calibratable speed. After a calibratable number of speed transitions the PCM expects that the PSP input should have changed. This DTC is set if the transition is not detected. Vehicle towed with engine running Power steering hydraulic concern was repaired but DTC was not erased PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged Check, if possible, if vehicle was towed or power steering service was performed. Observe PSP V PID while checking wires for intermittents.
DF502 Code Meaning :
D
For Engine
f
5
O2 Sensor Heater Circuit Malfunction
0
Crankshaft Position Sensor A Circuit Malfunction
2
Crankshaft Position Sensor A Circuit Low Input
The poor running symptoms are consistent with a MAP sensor malfunction. In addition, in some cases, a bad MAP sensor will not throw a code. Again, the ELD code likely represents a separate wiring issue.
DF502 DescriptionDF502 engine trouble code is about Crankshaft Position Sensor A Circuit Low Input.Main reason For DF502 CodeThe reason of DF502 OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction. |
DF502 the main thing to check is to verify the operation of the VCT solenoid. You're looking for a sticking or stuck VCt solenoid valve caused by contamination. Refer to vehicle specific repair manual to perform component tests for the VCT unit.