Preliminary Checks
NOTE:
For diagnostic flow charts see appropriate article in COMPUTER CONTROLS section.
Prior to diagnosing fuel injection system, the following systems and components must be in good condition and operating properly:
- All support systems and wiring.
- Battery connections and specific gravity.
- Cylinder pressure.
- Fuel supply system pressure and flow.
- All electrical connections.
- Air filter.
- Vacuum lines, fuel hoses and pipe connections.