405 L4-1905cc 1.9L (1989)
Control Pressure Regulator: Testing and Inspection
Fig. 1 Fuel Pressure Relief
Fig. 2 Pressure Regulator Hose
1.
Wrap a rag around fuel supply connector (3), Fig. 1. Slowly loosen connector to release fuel pressure.
2.
Connect fuel pressure gauge between connector and fuel line.
3.
Disconnect hose (5), linking fuel pressure regulator (6) to intake manifold Fig. 2.
4.
Start engine and allow to idle. Note reading of fuel pressure gauge.
5.
On 2.2L/4-131 Turbo models, correct fuel pressure is 34.8-37.7 psi.
6.
On 2.2L/4-132 and 2.8L/V6-174 models, correct fuel pressure is 33.3-39.2 psi.
7.
On 1.9L/4-116 models, correct fuel pressure is 40-46 psi.
