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 L4-2.4L SOHCREPAIR AND DIAGNOSISMAINTENANCEFLUIDSENGINE OILTECHNICAL SERVICE BULLETINSENGINE - USING LOW-QUALITY ENGINE OIL
2005 Mitsubishi Lancer L4-2.4L SOHC
Engine - Using Low-Quality Engine Oil
2005 Mitsubishi Lancer L4-2.4L SOHCSECTION Engine - Using Low-Quality Engine Oil
SOURCE: Mitsubishi Tech Talk Article January/February 2005
TITLE: Using Low-Quality Engine Oil
APPLIES TO: All Models
SERVICE TIP:
It is very important that ONLY the recommended API SJ, API SL, or API SM engine oil be used in Mitsubishi vehicles. Lower quality engine oils can seriously damage engine components (excessive deposits, sludging, higher than normal component wear). Increased wear and deposits can also lead to excessive emissions.
Customers should be instructed to use ONLY engine oil which meets the manufacturer's requirements. Warranty coverage could be denied for failures attributed to improper engine oil usage.
TITLE: Using Low-Quality Engine Oil
APPLIES TO: All Models
SERVICE TIP:
It is very important that ONLY the recommended API SJ, API SL, or API SM engine oil be used in Mitsubishi vehicles. Lower quality engine oils can seriously damage engine components (excessive deposits, sludging, higher than normal component wear). Increased wear and deposits can also lead to excessive emissions.
Customers should be instructed to use ONLY engine oil which meets the manufacturer's requirements. Warranty coverage could be denied for failures attributed to improper engine oil usage.
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.