Test Notes

NOTE: Since driving habits can have a significant influence on fuel economy, verify the concern before starting an in-depth diagnosis. Also, the following external factors could contribute to "poor fuel economy" conditions:
- Stop/Go City Driving.
- Improper Tire Pressure/Size.
- Vehicle Loads (Trailer Towing, etc.).
- Extended Winter Warm-up Conditions.
- High Speed Driving.
- Improper Axle Ratio.
- Improper Speedometer Gear Ratio.
- Road/Weather Conditions.
- Aftermarket Add-ons.
- Short-Run Operations.
- Customer Expectations/Driving Habits.