- Engine misfire: This can be caused by a variety of factors, such as a faulty spark plug, bad ignition coil, or worn spark plug wires.
- Fuel injection problems: This can be caused by a variety of factors, such as a dirty or clogged fuel injector or a bad fuel pump.
- Air intake problems: This can be caused by a variety of factors, such as a dirty or clogged air filter, a faulty mass air flow sensor, or a vacuum leak.
- Exhaust problems: This can be caused by a variety of factors, such as a clogged catalytic converter, a faulty oxygen sensor, or a damaged exhaust manifold.
- Emission Control System Problem: This can be due to a variety of reasons such as a faulty EVAP system, O2 sensor issues or a catalytic converter problem.
If the service engine soon light is on and the truck is running rough, it is important to have the vehicle diagnosed by a qualified mechanic to determine the cause of the problem and get it repaired as soon as possible. Continuing to drive a vehicle with a rough running engine can cause damage to the engine and other components of the vehicle.