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Fuel Pump Circuit
Turn ignition on, leave engine off. Fuel pump should operate for 2 seconds. If fuel pump does not operate, check fuses, fuel pump control relay, fuel pump, all electrical connections and ECM. See I - SYS/COMP TESTS article.
NOTE:
Fuel pump performance is a measurement of fuel pressure availability, not regulated pressure.
FUEL PUMP PERFORMANCE
| Application |
psi (kg/cm2
) |
| DOHC |
35.5-38.4 (2.5-2.7) |
| SOHC |
22.7-29.9 (1.6-2.1) |
REGULATED FUEL PRESSURE
| Application |
psi (kg/cm2
) |
| DOHC |
25.6-29.9 (1.8-2.1) |
| SOHC |
12.8-20.0 (.9-1.4) |