What does 'Passat Cylinder 1 Ignition Activation Open Circuit' mean?
1 Answers
Most likely it's an issue with the ignition coil. Here are the specific details: 1. Problem inspection: Most cases are caused by faulty ignition coils - replacing them usually solves the problem, though the service life can't be guaranteed. Also check for possible vacuum leaks. The Passat engine's cylinder 1 ignition activation open circuit typically indicates an ignition coil problem. Inspect both the ignition coil and spark plugs; if the spark plugs are fine, replace the ignition coil. 2. Ignition coil: The core components of the ignition system are the ignition coil and switching device. Increasing the ignition coil's energy enables the spark plug to generate sufficient spark energy, which is the fundamental requirement for modern engine operation.