DiagnosticsA check-engine light after refueling may involve the vapor systemIf the light followed a fuel stop, note whether the cap was fitted correctly and whether the vehicle uses a capless filler.#checkengine#EVAP#fuelcapRead story →
DiagnosticsA check-engine light can appear before you feel a changeEmissions monitors may detect a problem before it causes an obvious change in how the car drives.#checkengine#codes#monitorRead story →
DiagnosticsA flashing check-engine light changes the priorityA flashing light can mean an active misfire is sending unburned fuel into the exhaust. Reduce load and stop safely if the engine shakes or loses power.#checkengine#misfire#safetyRead story →