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 MANUALSMITSUBISHI2004ECLIPSE L4-2.4L SOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTTECHNICAL SERVICE BULLETINS
2004 Mitsubishi Eclipse L4-2.4L SOHC
Powertrain Management: Technical Service Bulletins
2004 Mitsubishi Eclipse L4-2.4L SOHCSECTION Technical Service Bulletins
- Recalls
- Customer Interest
- By Symptom
- All Technical Service Bulletins
- Interior - Avoiding Floor Mat/Pedal Entrapment/Interference
- Engine Controls - Revised Misfire DTC Information
- Powertrain - DTC P0335 & P0340 After Engine Repair
- Powertrain, Antitheft - ECU & PCM Replacement
- Powertrain - DTC's P0335 & P0340 After Engine Repair
- Powertrain - DTC P0172 & P0175
- Powertrain - Freeze Frame Data & MFI Related DTC's
- Engine - Fouled Spark Plugs Causing Misfire
- Fuel/Emissions - Loose Gas Cap/MIL ON
- Engine - Spark Knock/Ping Diagnostic's
- Audio System/A/C Blower - Intermittent Operation
- Recall - Fuel Pump Replacement
- Recall 04V312000: Fuel Pump Replacement
- Audio System - No Radio/Audio Controls Locked-Up
- Recall - Fuel Pump Return Line Restriction
- Engine - Poor High RPM Acceleration
- Brakes/Emissions - I/M Dynometer Testing on TCL Models
- Recall - VECI Label Replacement
- Engine Controls/Emissions - OBDII Drive Cycle Revisions
- Engine Controls - DTC P0441
- Fuel System - MIL ON with DTC P0171/174
- Fuel System - EVAP DTC's & Check Engine Light
- Engine Controls - Freeze Frame Data For DTC's
- A/T - No Overdrive/Shift Delay
- Engine - Pinging Condition
- Vehicle - VIN Plate Installation After Dash Replacement
- Emissions - Additional EGR System Diagnostics
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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.