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Please fill the "Code Box" to find engine fault code.

Example: 0120

All Engine Codes

The all list of engine trouble codes.

P0508 Engine Diagnostic Code

Do you have fresh, clean fuel in the tank? If it's empty, fill it up and go! If it's full, check P0508 that the fuel shut-off valve is open and that it is clean. Stale fuel, dirt and debris are the most common cause of outdoor power equipment not starting properly. If you store equipment with untreated gas in the tank, it can lead to engine damage.

P0508 engine code provides below are generic codes that may not apply to all vehicles. Car manufacturer uses specific P0508 DTC code that are different from the codes shown below. Foreign vehicles may also use DTC codes different from the generic Engine Diagnostic codes.

Sample P0508 Engine

P0508 Diagnostic Trouble Code Meaning And Solution

P 0 5 08
Powertrain Problem SAE - Generic Vehicle Speed Control And Idle Control System 08 Engine Fault Code

Starting letter P diagnostic code shows that there are problems in engine, transmission and emissions systems.
If your "Check Engine Light" is on, it means your vehicle has one or more OBD II Trouble Codes so you have to check your engine diagnostic code tool. If your vehicle is an older model with a non-electronic Vehicle Speed Control And Idle Control System, you can check the distributor cap to see whether the spark is getting from there to the coil and on to the spark plugs.

Don't forget ! If your P0508 engine code not resolved on and there are trouble codes in your computer, your vehicle will not pass an OBD 2 emissions test. The light must be off and there must be no codes in memory to pass an OBD 2 emissions test. In addition, all of the OBD II self-monitors that check for faults must have run and completed without finding any further problems to pass the test.