Vespa 400 P1254 Engine Trouble Code
When the check engine light comes Vespa 400 P1254 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.
Vespa 400 P1254 Code Meaning :
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine
Fuel And Air Metering
Engine Oil Temperature Sensor Malfunction
Cylinder 10 Contribution/balance Fault
Exhaust Gas Recirculation Sensor B Circuit High

When you check Vespa 400 car engine light came on code P1254 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However manufacturer may have a different definition for the P1254 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
P1254 OBD-II Diagnostic Powertrain (P) Trouble Code Description
P1254 OBD-II Trouble Code Pedal Correlation PDS2 and LPDS High is one of the definitions for the P1254; however your vehicles manufacturer may have a different definition for the P1254 code. Please check below for your specifi P1254 code.Reason For P1254 Code
The reason of P1254 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.P1254 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.
P1253 Previous Engine Trouble Code For Vespa 400 | Next Engine Trouble Code For Vespa 400 P1255 |