Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

NS-4B Checking Engine Timing


Complete No Start Test 4, Step A, before proceeding.

1. Connect timing device to engine, and set timing to 10°BTDC while cranking engine.
2. If engine starts, reset timing to specifications.
3. If engine does not start, remove distributor cap and crank engine to ensure rotor is turning and is indexed, then check compression and valve timing.