Preliminary Checks
The following systems and components must be in good condition and operating properly before beginning diagnosis of the fuel injection system:
- All support systems and wiring.
- Battery connections and specific gravity.
- Ignition system.
- Engine cooling system.
- Compression pressure.
- Fuel supply system pressure and flow.
- All electrical connections and terminals.
- Vacuum line, fuel hose and pipe connections.
CAUTION:
DO NOT
apply 12-volts directly to fuel injector terminals. Injector will be destroyed within 5 seconds.