Sidekick 2WD L4-1590cc 1.6L SOHC 0 TBI 8V (1992)
Fuel Injector: Testing and Inspection
Spray Pattern and Leakage Test
Checking Fuel Injector Spray Pattern
- Connect injector connector.
- Remove air intake case.
- Connect battery negative cable.
- Make sure that fuel pressure is felt at fuel return hose for 3 seconds after ignition switch ON.
- Check that fuel is injected out in conical shape from fuel injector when cranking engine or running engine.
- If no fuel is injected, check wiring harness for continuity and couplers for proper connection refer to COMPUTERS AND CONTROL
SYSTEMS / DIAGNOSIS, TESTING AND INSPECTION PROCEDURES / DIAGNOSTIC CHARTS / B-CHARTS / DIAGNOSTIC
FLOW CHART B-1.
- If fuel is not injected out in conical shape, replace injector.
- Check injector for fuel leakage after injection is stopped (i.e., after cranking or engine stop). Replace if leakage exists.
FUEL LEAKAGE
Less than 1 drop/min.
- Install air intake case.