What fault codes will be reported if the timing is incorrect?
1 Answers
No fault codes will be reported. However, fault codes will be recorded. Generally, there won't be any reports, but incorrect timing can cause issues such as the vehicle not starting or being difficult to start. The following are the symptoms of incorrect ignition timing: 1. Ignition too early: The air-fuel mixture burns too early, which can easily cause knocking and affect normal combustion. When suddenly accelerating the engine, there will be a "clattering" metal knocking sound, which may even damage engine components. There is also a knocking sound at idle, though it is not very loud. If the distributor housing is slightly turned in the direction of the rotor rotation, the sound will reduce or disappear, indicating the ignition timing is too early. When manually cranking the engine, there may be a reverse rotation (backfire) phenomenon. When using the starter, the resistance is high, making it difficult to turn the engine. 2. Ignition too late: This reduces the gas pressure above the piston, leading to decreased power, weak and sluggish engine operation, and an inability to increase speed when accelerating. The engine runs unevenly at high speeds. If the ignition timing is too late, the carburetor may backfire, the muffler may pop, the engine temperature may rise, fuel consumption may increase, and the engine may be difficult to start. 3. Erratic ignition timing: The engine may shake and produce knocking sounds, lose power, the carburetor may backfire, the exhaust pipe may pop, and the engine may even fail to start or operate normally.
