Fuel Injector(s)

WARNING: This page is about a different car, the 1992 Oldsmobile Ninety-Eight, 1992 Cadillac Fleetwood, 1992 Cadillac DeVille, and 1992 Buick Park Avenue. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect fuel injector harness connector. Measure resistance across injector terminals at each injector. Resistance should be as specified. See INJECTOR RESISTANCE SPECIFICATIONS .

INJECTOR RESISTANCE SPECIFICATIONS ⁽¹⁾

Application

Ohms

3.8L (VIN L & 1)

⁽²⁾

4.9L (VIN B)

⁽²⁾

⁽¹⁾	Injector resistance specification is at 140°F (60°C).

⁽²⁾	Information is not available from manufacturer. Solenoid should have resistance; however, infinite resistance indicates an open injector winding.

NOTE: If injectors are dirty, they should be cleaned using approved injector cleaning procedure before performing PFI INJECTOR BALANCE TEST.