Checks
| Action
|
DEFINITION: The engine
has a power variation under a steady throttle or cruise. The vehicle feels
as if it speeds up and slows down with no change in the accelerator pedal.
|
Preliminary Checks
|
| • | Be sure the driver understands the torque converter clutch (TCC)
operation. |
| • | Be sure the driver understands the A/C compressor operation. |
| • | Use the scan tool in order to make sure the reading of VSS matches
the vehicle speedometer. This excludes vehicles with electronic transmissions
where some variation between VSS and the speedometer is normal. Refer
to DTC P0500 Diagnostic Aids. |
|
Fuel System Checks
| Check correct fuel pressure while the condition exists.
Refer to
|
Additional Checks
|
| • | Check the control module grounds for being clean, tight, and in
their proper locations. |
| • | Check the generator output voltage. Repair if less than 9 or more
than 16 volts. |
| • | Check the vacuum lines for kinks or leaks. |
| • | Check the TCC operation. |
|
