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Home >> Pontiac >> 2001 >> Aztek Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 96 (Engine Controls - Service & Adjustment Specifications) >> Fuel System >> Fuel Pump
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Fuel Pump

WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2002 Saturn Vue, 2002 Pontiac Montana, 2002 Pontiac Aztek, 2002 Oldsmobile Silhouette, and 2002 Oldsmobile Bravada. However, it is still accessible from the selected car via links, so may be relevant.
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.