Your Allard K engine control system detects a problem, the computer stores the diagnostic trouble
code C3778 in its memory.
To figure out what is wrong with your vehicle you must first extract the C3778 DTC For Allard K.
Do you have fresh, clean fuel in the tank? If it's empty, fill it up and go! If it's full, check C3778 Allard K 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.
C3778 Allard K DTC Meaning
Chassis Code - Problem is controller area network wiring bus and modules.
SAE - Generic
Ignition System Or Misfire
Exhaust Gas Recirculation System Valve 1
Park/Neutral Postion (PNP) Switch Circuit Engine Torque Signal Circuit
If your C3778 Allard K check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system C3778 and engine control unit are in charge of monitoring a bunch of different C3778 DTC For Allard K, and if they get a reading that's a little out of whack, up pops the check engine light.