GM Service Manual Online
For 1990-2009 cars only

Problem

Action

Throttle valve cable out of adjustment

Adjust the throttle valve cable.

Faulty throttle vavle cable and cam

Inpsect the throttle valve cable and cam.

Faulty accumulator pistons

Inspect the accumulator pistons.

Faulty valve body

Inspect the valve body.

Faulty transaxle

Overhaul the transaxle.