GM Service Manual Online
For 1990-2009 cars only

(DOHC Version Shown)


Object Number: 1551178  Size: B3

The tachometer shows your engine speed in revolutions per min (rpm X 1000). Do not run your engine at speeds in the red area of your tachometer.

The maximum rpm is limited in Park (P) or Neutral (N) to 4000 rpm by your vehicle's computer. This is to prevent engine damage.