Fuel Pressure Solenoid
- Fuel pressure solenoid is located on firewall at driver's side of engine compartment, near brake booster and contains a 2-pin Black connector with Red and Blue/Red wires in the connector. See Fig 1
.
- Place identification tags on hoses for reassembly reference at fuel pressure solenoid. Disconnect hoses and electrical connector from fuel pressure solenoid.
- Using vacuum pump, apply vacuum at fitting "A" on fuel pressure solenoid. See Fig 2
.
- Fuel pressure solenoid should not maintain vacuum with fitting "B" open, but should maintain vacuum with fitting "B" plugged. If fuel pressure solenoid operation is as specified, go to next step. If fuel pressure solenoid operation is not as specified, replace fuel pressure solenoid.
- Using jumper wires, apply battery voltage to electrical terminals on fuel pressure solenoid while applying vacuum to fitting "A". See Fig 2
.
- Fuel pressure solenoid should maintain vacuum with fitting "B" open. If vacuum can be maintained, disconnect battery and go to next step. If vacuum cannot be maintained, replace fuel pressure solenoid.
- Using ohmmeter, check resistance between electrical terminals on fuel pressure solenoid. Resistance should be 36-44 ohms at 68°F (20°C). Replace fuel pressure solenoid if resistance is not within specification.
Courtesy of CHRYSLER CORP.
Courtesy of CHRYSLER CORP.