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.

Preliminary Check

Perform following preliminary checks:

Visually inspect engine compartment to verify vacuum hoses and spark plug wires are properly routed and securely connected.
Examine all wiring harnesses and connectors for damage.
Ensure TFI-IV module is securely fastened to distributor base or cowl.
Ensure battery is fully charged.
All accessories should be off during diagnosis.