Citroen Sm P0504 Engine Trouble Code

When your car's 'Citroen Sm P0504 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off.

Citroen Sm P0504 Code Meaning :

When you check Citroen Sm car engine light came on code P0504 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However manufacturer may have a different definition for the P0504 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P0504 Fault Symptoms :

Citroen Sm P0504 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.

Parts or components should not be replaced with reference to only a P0504 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.