Ignition
Coils, plugs, reference sensors and timing.
4 procedures
944 Spark Plugs — Type, Gap & Replacement
The spark plugs for the 8-valve 944 — type and electrode gap, tightening torque, firing order, and the replacement procedure. Torque switches between N·m and ft·lb; the electrode gap is a fixed dimension in millimetres.
Distributor Cap and Rotor Replacement
Procedure for removing and installing the 944 distributor cap and rotor, including the correct locking screw rotation sequence and tips for freeing a stuck rotor.
Ignition System Troubleshooting
Troubleshooting procedure for a no-spark condition, including distributor cap and rotor inspection, ignition coil spark test, and coil resistance specifications for the 944 ignition system.
Speed and Reference Sensors — Checking, Replacement, and Adjustment
Information, resistance specs, operational checks, replacement procedure, and clearance adjustment for the crankshaft speed sensor and reference sensor on the 944 engine management system.