GM Service Manual Online
For 1990-2009 cars only

kPa (psi)

Voltage

0 (0)

0.5

68.95 (10)

0.9

137.9 (20)

1.3

206.85 (30)

1.7

275.8 (40)

2.1

344.75 (50)

2.5

413.7 (60)

2.9

482.65 (70)

3.3

551.6 (80)

3.7

620.55 (90)

4.1

689.5 (100)

4.5