Inspections
| Action
|
DEFINITION: Fuel economy, as measured by an actual road test, is noticeably lower than expected.
|
Preliminary
|
| • | Inspect the air cleaner element, or the filter, for dirt or being plugged. |
| • | Visually and physically inspect the vacuum hoses for splits, kinks, and proper connections as shown on the Vehicle Emission Control Information label. |
| • | Discuss the driving habits with the owner for the following items: |
| - | The A/C is ON full time, or the defroster mode is ON |
| - | The tires for being at the correct air pressure |
| - | The wheel and tires are the correct size |
| - | Excessively heavy loads being carried |
| - | Aggressive driving habits |
| • | Suggest to the owner to fill the fuel tank and to inspect the fuel economy. |
| • | Suggest to the driver to refer to Important Facts on Fuel Economy in the owner manual. |
|
Fuel System
|
|
Ignition System
|
| • | Inspect the spark plugs. Remove the spark plugs and check for the following: |
| • | Inspect for an open ignition control (IC) circuit. |
| • | Inspect the knock sensor (KS) system operation. |
|
Cooling System
|
| • | Inspect the engine coolant level. |
| • | Inspect the engine thermostat for always being open or for the wrong heat range. |
|
Additional
|
| • | Inspect for proper calibration of the speedometer. |
|
