Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Inspection Procedure 5

Hunting (Repeated Acceleration and Deceleration) Occurs at the Set Vehicle Speed.

COMMENT
The vehicle speed sensor or the throttle body is suspected.

TROUBLESHOOTING HINTS (The most likely causes for this case:)
- Malfunction of the vehicle speed sensor.
- Malfunction of the throttle body.
- Malfunction of the PCM.

DIAGNOSIS
Check for MFI system diagnostic trouble code. Refer to Trouble Code Diagnosis.