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 MANUALSMITSUBISHI2003LANCER LSREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - SYSTEM & COMPONENT TESTINGFUEL SYSTEMSFUEL CONTROLFUEL INJECTORS

2003 Mitsubishi Lancer LS

Fuel Injectors

2003 Mitsubishi Lancer LSSECTION Fuel Injectors

For intermediate injector connectors, disconnect the intermediate connector to measure resistance. See INJECTOR TERMINAL RESISTANCES & INJECTOR CONTINUITY CHECK tables. To check the waveform, see Fig 1.

To test injector circuit, perform diagnostic procedure for DTC P0201-P0204, or DTC P0201-P0206. See appropriate SELF-DIAGNOSTICS article.

INJECTOR TERMINAL RESISTANCES

Application	Resistance (Ohms) @ 68°F (20°C)
Diamante, Eclipse, Eclipse Spyder, Galant, Lancer, Montero, Montero Sport & Outlander	13-16
Lancer Evolution VIII	2-3

INJECTOR CONTINUITY CHECK

Application/Injector No.

Check Between Terminals No.

Diamante

1 & 4

1 & 2

Eclipse, Eclipse Spyder & Galant

2.4L

1 & 4

1 & 2

3.0L ⁽¹⁾

1 & 2

1 & 3

1 & 4

2, 4 & 6

1 & 2

Lancer & Lancer Evolution VIII

1 & 4

1 & 2

Montero & Montero Sport

3 & 8

2 & 8

1 & 8

7 & 8

6 & 8

5 & 8

Outlander

1 & 4

1 & 2

⁽¹⁾	On 3.0L engines, odd numbered injector connectors are on the right bank, even numbered injector connectors are on the left bank.

Fig 1: Identifying Normal Injector Waveform

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

RENDER: 1.0x

NO RELATED

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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.