FixVault

Timing Check

Disconnect grounded jumper wire from self-test input. Start engine and reconnect grounded jumper wire to self-test input. Check timing within 2 minutes after display of last code. If timing is 27-33° BTDC, proceed to Engine Running Self-Test. If timing is not 27-33° BTDC, proceed to TEST Q - SPARK TIMING CHECK  .

NOTE: If engine stalls while testing, proceed to TEST O - NO CODES, IMPROPER CODES  , step 10).