Pressure, Vacuum and Temperature Specifications
CIS-E FUEL SYSTEMSystem Operating Pressure (cold or warm) 76 - 79 psi. (5.3 5.5 bar)
LOWER CHAMBER PRESSURE
Normal Operating Temp. 5.8 psi. (0.4 bar) below measured system pressure
Idling 68°F (20°C) approx. 7.5 psi. (0.5 bar) below measured system pressure
Acceleration Enrichment 68°F (20°C) min. 55 psi. (3.8 bar)
Full Load Enrichment (Normal Temp) approx. 7.5 psi. (0.5 bar) below Acceleration Enrichment pressure
Decel. Fuel Shut-off Same as system pressure
Residual Pressure (After 30 Min.) 36 - 40.5 psi. (2.5 - 2.8 bar)
FUEL QUANTITY COMPARISON TEST VALUES
Maximum Difference At Idle [1] .4 cc/min.
Maximum Difference At Partial Load [2] 4.0 cc/min.
Maximum Difference At Full Load [3] 10.0 cc/min.
[1] Air Flow Sensor Plate Depressed To Attain Approx. 4.0 cc/min.
[2] Air Flow Sensor Plate Depressed To Attain Approx. 30 cc/min.
[3] Air Flow Sensor Plate Depressed To Attain Approx. 100 cc/min.
FUEL INJECTORS
Fuel Injector Opening Pressure (New) 53 - 62 psi. (3.7 - 4.3 bar)
Fuel Injector Opening Pressure (Used) 46 psi. min. (3.2 bar)
FUEL PUMP
Fuel Delivery Volume [1] approx. 1 liter withing 40 sec.
Fuel Pump Pressure [2] Between 29 - 58 psi. (2 and 4 bar)
[1] Slightly more than 1 qt. withing 40 sec.
[2] Measured at fuel pump (M 3/1)