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Fuel Pump

FUEL PUMP PERFORMANCE

Application psi (kPa)
2.0L & 2.5L (1) 36-43 (248.2-296.5)
2.2L
Sonoma & S10 Pickup 41-47 (282.7-324.1)
VUE 50-60 (344.8-413.7)
3.0L 50-60 (344.8-413.7)
3.4L 52-59 (358.5-406.8)
4.2L 48-52 (331.0-358.5)
4.3L
Astro, Safari, Sierra & Silverado 55-62 (379.2-427.5)
Blazer, Express, Jimmy Canadian, Savana, Sonoma & S10 60-66 (413.7-455.1)
4.8L, 5.3L & 6.0L
Ethanol (VIN "Z") 48-54 (331.0-372.3)
Gasoline (VIN "V", "T" Or "U") 55-62 (379.2-427.5)
5.0L 59-66 (406.8-455.1)
5.7L
CNG Engine 130-220 (896.4-1516.9)
Gasoline Engine 59-66 (406.8-455.1)
6.5L
Non-Turbo Engine (2) 1500 (10,342.5)
Turbo Engine (2) 1700 (11,721.5)
6.6L (3) 23,206 (160,005.4)
8.1L 55-62 (379.2-427.5)
(1) Pressure should maintain at least 25 psi (172.4 kPa) for one minute after fuel pump is turned off.
(2) Measured on diesel fuel injection nozzle side.
(3) Measured on fuel injection pump high pressure side.