Fuel Pump: 4.2L
Perform fuel pump test with air cleaner removed and fuel inlet line or filter disconnected at carburetor. Disconnect fuel return line at fuel filter and plug nipple on filter. Make all tests at idle speed. See FUEL PUMP SPECIFICATIONS TABLE TABLE.
FUEL PUMP SPECIFICATIONS
| Application | Pressure psi (kg/cm2 ) | Volume (1) Pts. (L) | ||||||
|---|---|---|---|---|---|---|---|---|
| 4.0L | (2) 31 (2.1) | 1.0 (.47) | ||||||
| 4.0L | (3) 39 (2.6) | 1.0 (.47) | ||||||
| 4.2L | 4.0-5.0 (.28-.35) | 1.0 (.47) | ||||||
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