Engine Tune-Up Preparation
WARNING: This page is about a different car, the 2002 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.
- Warm up the engine to the normal operating temperature.
- Shift transaxle into Neutral (MTX) or P position (ATX).
- Turn off all electrical loads.
- Headlight
- Blower Motor
- Rear Window Defroster
- Verify that the wheels are straight-ahead.
- Verify that the battery is fully charged. (See BATTERY INSPECTION .)
- Connect the SSTs (WDS or equivalent) to the data link connector.
- Access RPM PID.
- Wait until the electrical fan stops.