Lancer L4-2.0L (4B11) (2008)
Q: Is any DTC set?
YES : Repair MFI system. (Refer to Diagnostic Trouble Code Chart). See: Computers and Control Systems/Testing and Inspection/Diagnostic
Trouble Code Descriptions Then go to Step 2.
NO : Go to Step 2.
STEP 2. Retest the system.
Q: Does the throttle valve work with the accelerator pedal operation?
YES : The procedure is complete.
NO : Return to Step 1.
Inspection Procedure 2
Inspection Procedure 2: Accelerator Pedal Operation not Smooth (Over Acceleration)
COMMENT
The accelerator pedal, its installation condition or the APP sensor is suspected.
TROUBLESHOOTING HINTS (The most likely causes for this case:)
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Malfunction of the accelerator pedal.
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Incorrectly installed accelerator pedal.
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Malfunction of the APP sensor.
DIAGNOSIS
Required Special Tools:
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MB991958: Scan Tool (M.U.T.-III Sub Assembly)
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MB991824: V.C.I.
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MB991827: M.U.T.-III USB Cable
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MB991910: M.U.T.-III Main Harness A
STEP 1. Check if the accelerator pedal is installed correctly.
Q: Is the accelerator pedal installed correctly?
YES : Go to Step 2.
NO : Remove and reinstall the accelerator pedal. Go to Step 3.
STEP 2. Using scan tool MB991958, read the MFI system diagnostic trouble code.