Vanagon F4-1970cc 2.0L (1982)
Fuel Injector: Testing and Inspection
Injector Resistance, Checking
Injector resistance, checking
-
Pull connector off injector and connect ohmmeter to injector.
Resistance should be 2-3 ohms
If NO, replace injector
Injector Spray Pattern, Checking
Injector spray pattern, checking
-
Remove injector but leave connected to fuel ring main
WARNING: Fire hazard. Do not smoke or have anything in area that can ignite fuel
-
Operate starter briefly spray pattern must be an even, cone-shaped spray
Injectors, Checking For Leaks
Injectors, checking for leaks
-
Remove electrical connector from injector
-
Remove injector but leave connected to ring main line
-
Pull off wire from terminal 1 of ignition coil
-
Operate starter briefly
-
Check that no more than 2 drops leak from each injector in one minute
Voltage Supply at Injectors, Checking