Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMITSUBISHI2005LANCER EVOLUTION L4-2.0L DOHC TURBOREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTHROTTLE POSITION SENSORADJUSTMENTS
2005 Mitsubishi Lancer Evolution L4-2.0L DOHC Turbo
Throttle Position Sensor: Adjustments
2005 Mitsubishi Lancer Evolution L4-2.0L DOHC TurboSECTION Adjustments
THROTTLE POSITION SENSOR ADJUSTMENT
Required Special Tools:
- MB991958: Scan Tool (MUT-III Sub Assembly)
- MB991824: V.C.I.
- MB991827: USB Cable
- MB991911: Main Harness B
- MB991348: Test Harness Set
CAUTION: To prevent damage to scan tool MB991958 always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting the scan tool MB991958.
1. Connect scan tool MB991958 to the data link connector. When not using scan tool follow the steps below.
1. Disconnect the throttle position sensor connector and connect the special tool MB991348 in between. (All terminals should be connected.)
2. Connect a digital voltmeter between throttle position sensor terminal No.2 (sensor output) and terminal No.4 (sensor ground).
2. Turn the ignition switch to the "ON" position (but do not start the engine).
3. Check the throttle position sensor output voltage.
Standard value: 535 - 735 mV
4. If not within the standard value range adjust by loosening throttle position sensor mounting bolts and turning the throttle position sensor body. After adjusting tighten the bolts securely.
5. Turn the ignition switch to the "LOCK" (OFF) position.
6. Disconnect scan tool MB991958. When the scan tool is not used remove special tool MB991348 and connect the throttle position sensor connector.
Required Special Tools:
- MB991958: Scan Tool (MUT-III Sub Assembly)
- MB991824: V.C.I.
- MB991827: USB Cable
- MB991911: Main Harness B
- MB991348: Test Harness Set
CAUTION: To prevent damage to scan tool MB991958 always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting the scan tool MB991958.
1. Connect scan tool MB991958 to the data link connector. When not using scan tool follow the steps below.
1. Disconnect the throttle position sensor connector and connect the special tool MB991348 in between. (All terminals should be connected.)
2. Connect a digital voltmeter between throttle position sensor terminal No.2 (sensor output) and terminal No.4 (sensor ground).
2. Turn the ignition switch to the "ON" position (but do not start the engine).
3. Check the throttle position sensor output voltage.
Standard value: 535 - 735 mV
4. If not within the standard value range adjust by loosening throttle position sensor mounting bolts and turning the throttle position sensor body. After adjusting tighten the bolts securely.
5. Turn the ignition switch to the "LOCK" (OFF) position.
6. Disconnect scan tool MB991958. When the scan tool is not used remove special tool MB991348 and connect the throttle position sensor connector.
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.