ford Workshop Repair Guides

Ford Workshop Service and Repair Manuals

ABOUT US
Acceleration Control > < Acceleration Control

Fiesta 2002.25 (11.2001-)

Acceleration Control - 2.0L Duratec-HE (MI4) - Acceleration Control Fiesta 2002.25 (11/2001-)
Diagnosis and Testing

Inspection and Verification

  1. Verify the customer concern.
  1. Visually inspect for obvious signs of mechanical or electrical damage.

Visual Inspection Chart

Mechanical Electrical
  • Accelerator pedal
  • Electronic throttle body
  • Fuse(s)
  • Wiring harness(s)
  • Electrical connector(s)
  • Accelerator pedal
  • Electronic throttle body
  • Powertrain control module (PCM)
  1. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
  1. If the cause is not visually evident, verify the symptom and refer to Symptom Chart.

Symptom Chart

Symptom Chart

Symptom Possible Sources Action
Accelerator pedal is hard to depress or has a rough/raspy or sticky feel
*
Adjacent hardware, wiring harness(s), trim(s), carpet or mat(s) incorrectly installed.
*
CHECK the accelerator pedal and adjacent parts for correct installation.
*
Worn or damaged accelerator pedal.
*
INSTALL a new accelerator pedal.
Accelerator pedal does not return freely
*
Adjacent hardware, wiring harness(s), trim(s), carpet or mat(s) incorrectly installed.
*
CHECK the accelerator pedal and adjacent parts for correct installation.
*
Worn or damaged accelerator pedal.
*
INSTALL a new accelerator pedal.
High engine idle speed
*
Damaged accelerator pedal.
*
REFER to WDS to diagnose the system.
*
Electronic throttle body.
*
REFER to WDS to diagnose the system.
*
PCM calibration.
*
REFER to WDS to diagnose the system.
Poor idling
*
Electronic throttle body.
*
REFER to WDS to diagnose the system.
*
PCM calibration.
*
REFER to WDS to diagnose the system.

Acceleration Control > < Acceleration Control