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 MANUALSMITSUBISHI2004LANCER L4-2.0L SOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTECHNICAL SERVICE BULLETINSCUSTOMER INTERESTENGINE CONTROLS - HARD/NO START/DTC P0335 OR P0340 SET
2004 Mitsubishi Lancer L4-2.0L SOHC
Engine Controls - Hard/No Start/DTC P0335 or P0340 Set
2004 Mitsubishi Lancer L4-2.0L SOHCSECTION Engine Controls - Hard/No Start/DTC P0335 or P0340 Set
No.: TSB-07-11-001
DATE: January, 2007
MODEL: 2002-07 Lancer 2.0L
SUBJECT:
HARD TO START ENGINE DTC P0340 (and P0335)
PURPOSE
The engine may be hard or impossible to start and MFI DTC P0335 and possibly P0340 may be stored due to abnormal wear to the camshaft position sensor support. Oil grooves have been added to the camshaft position sensor support to improve lubrication.

If a customer has a vehicle with the above condition, replace the camshaft position sensor support with the new part listed in the PARTS INFORMATION section of this bulletin.
AFFECTED VEHICLES
2002-07 Lancer 2.0L
PROCEDURE
Replace the camshaft position sensor support as described in Group 11B, GENERATOR AND IGNITION SYSTEM REMOVAL AND INSTALLATION, of the appropriate service manual.
IMPORTANT!
Carefully remove all debris from the end of the camshaft position sensor before reinstalling it.
PARTS INFORMATION

Use the genuine Mitsubishi Part shown.

WARRANTY INFORMATION
DATE: January, 2007
MODEL: 2002-07 Lancer 2.0L
SUBJECT:
HARD TO START ENGINE DTC P0340 (and P0335)
PURPOSE
The engine may be hard or impossible to start and MFI DTC P0335 and possibly P0340 may be stored due to abnormal wear to the camshaft position sensor support. Oil grooves have been added to the camshaft position sensor support to improve lubrication.
If a customer has a vehicle with the above condition, replace the camshaft position sensor support with the new part listed in the PARTS INFORMATION section of this bulletin.
AFFECTED VEHICLES
2002-07 Lancer 2.0L
PROCEDURE
Replace the camshaft position sensor support as described in Group 11B, GENERATOR AND IGNITION SYSTEM REMOVAL AND INSTALLATION, of the appropriate service manual.
IMPORTANT!
Carefully remove all debris from the end of the camshaft position sensor before reinstalling it.
PARTS INFORMATION
Use the genuine Mitsubishi Part shown.
WARRANTY INFORMATION
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.