Checks
| Action
|
Definition: The engine
delivers less than expected power. There is little or no increase in speed
when partially applying the accelerator pedal.
|
Preliminary
Checks
|
| • | Compare the customers vehicle with a similar unit. Verify the
customer concern. |
| • | Remove the air filter and check for dirt or a restriction. |
|
Fuel System Checks
|
| • | Inspect for a restricted fuel filter, contaminated fuel, or improper
fuel pressure. Refer to
Fuel System Diagnosis
. |
|
Exhaust System Checks
|
| • | Inspect the exhaust system for damaged or collapsed pipes. Inspect
the muffler for heat distress or a possible internal failure. |
|
Additional Checks
|
| • | Inspect the control module grounds for being clean, tight, and
in their proper location. |
| • | Inspect the knock sensor (KS) system. |
|
Engine Mechanical Check
| Inspect the engine for the proper operation
of the following items:
| • | Improper or worn camshaft. |
|
