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Acceleration Control - 2.8L-1.9L Diesel > < Fuel Pump - 1.9L Diesel

Galaxy 2000.75 (04.2000-02.2006)

Acceleration Control - Acceleration Control—2.0L/2.3L Galaxy 2000.75 (04/2000-02/2006)
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
  • Accelerator pedal
  • Throttle body
  • Accelerator cable
  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
*
Damaged accelerator cable.
*
INSTALL a new accelerator cable.
REFER to Accelerator Cable in this section.
*
Accelerator cable incorrectly installed.
*
CHECK the accelerator cable for the correct installation.
*
Worn or damaged throttle body.
*
INSTALL a new throttle body. REFER to Section  303-04A Fuel Charging and Controls / 303-04B Fuel Charging and Controls / 303-04C Fuel Charging and Controls / 303-04D Fuel Charging and Controls - Turbocharger.REFER to Section  303-04A Fuel Charging and Controls / 303-04B Fuel Charging and Controls / 303-04C Fuel Charging and Controls / 303-04D Fuel Charging and Controls - Turbocharger.
*
Foreign object(s) in the throttle body.
*
INSPECT for signs of foreign object(s). INSTALL a new throttle body as necessary. REFER to Section  303-04A Fuel Charging and Controls / 303-04B Fuel Charging and Controls / 303-04C Fuel Charging and Controls / 303-04D Fuel Charging and Controls - Turbocharger.REFER to Section  303-04A Fuel Charging and Controls / 303-04B Fuel Charging and Controls / 303-04C Fuel Charging and Controls / 303-04D Fuel Charging and Controls - Turbocharger.
Accelerator pedal does not return freely
*
Damaged accelerator cable.
*
INSTALL a new accelerator cable.
REFER to Accelerator Cable in this section.
*
Weak or broken throttle return spring.
*
INSTALL a new throttle body. REFER to Section  303-04A Fuel Charging and Controls / 303-04B Fuel Charging and Controls / 303-04C Fuel Charging and Controls / 303-04D Fuel Charging and Controls - Turbocharger.REFER to Section  303-04A Fuel Charging and Controls / 303-04B Fuel Charging and Controls / 303-04C Fuel Charging and Controls / 303-04D Fuel Charging and Controls - Turbocharger.
*
Worn or damaged throttle body.
*
INSTALL a new throttle body. REFER to Section  303-04A Fuel Charging and Controls / 303-04B Fuel Charging and Controls / 303-04C Fuel Charging and Controls / 303-04D Fuel Charging and Controls - Turbocharger.REFER to Section  303-04A Fuel Charging and Controls / 303-04B Fuel Charging and Controls / 303-04C Fuel Charging and Controls / 303-04D Fuel Charging and Controls - Turbocharger.
*
Foreign object(s) in the throttle body.
*
INSPECT for signs of foreign object(s). INSTALL a new throttle body as necessary. REFER to Section  303-04A Fuel Charging and Controls / 303-04B Fuel Charging and Controls / 303-04C Fuel Charging and Controls / 303-04D Fuel Charging and Controls - Turbocharger.REFER to Section  303-04A Fuel Charging and Controls / 303-04B Fuel Charging and Controls / 303-04C Fuel Charging and Controls / 303-04D Fuel Charging and Controls - Turbocharger.
High engine idle speed
*
Damaged accelerator cable.
*
INSTALL a new accelerator cable.
REFER to Accelerator Cable in this section.
*
Accelerator cable incorrectly installed.
*
CHECK the accelerator cable for the correct installation.
*
Worn or damaged throttle body.
*
INSTALL a new throttle body. REFER to Section  303-04A Fuel Charging and Controls / 303-04B Fuel Charging and Controls / 303-04C Fuel Charging and Controls / 303-04D Fuel Charging and Controls - Turbocharger.REFER to Section  303-04A Fuel Charging and Controls / 303-04B Fuel Charging and Controls / 303-04C Fuel Charging and Controls / 303-04D Fuel Charging and Controls - Turbocharger.
*
Foreign object(s) in the throttle body.
*
INSPECT for signs of foreign object(s). INSTALL a new throttle body as necessary. REFER to Section  303-04A Fuel Charging and Controls / 303-04B Fuel Charging and Controls / 303-04C Fuel Charging and Controls / 303-04D Fuel Charging and Controls - Turbocharger.REFER to Section  303-04A Fuel Charging and Controls / 303-04B Fuel Charging and Controls / 303-04C Fuel Charging and Controls / 303-04D Fuel Charging and Controls - Turbocharger.

Acceleration Control - 2.8L-1.9L Diesel > < Fuel Pump - 1.9L Diesel