LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> BMW >> 1984 >> 318i Automatic >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Testing >> System Spark Test
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

System Spark Test

  1. If starter turns but engine will not start (or if engine fails to develop sufficient power), hold distributor end of coil wire about 3/8" (10 mm) from engine block. Crank engine. See Fig 1 .
    Fig 1: Coil Wire Hookup For Making an Ignition System Spark Test
    G29052
  2. If spark jumps gap, check distributor cap, rotor, cables, and spark plugs. Be sure ignition timing and fuel system are okay. If no sparks occur, perform the following tests.