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HOMESERVICE MANUALSMITSUBISHI2007ENDEAVOR SE, FWDREPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONOBD-II DRIVE CYCLESDRIVE CYCLE PROCEDURES1996-98 GALANTFUEL TRIM MONITOR (P0170)
2007 Mitsubishi Endeavor SE, FWD

Fuel Trim Monitor (P0170)

2007 Mitsubishi Endeavor SE, FWDSECTION Fuel Trim Monitor (P0170)

Test requirements/procedure

  1. All of the following requirements should be met when carrying out a drive test.
    1. Engine coolant temperature: 80°C - 97°C (176 - 207°F) (Engine fully warmed up)
    2. Atmospheric temperature: -10°C (14°F) or more, 60°C (140°F) or less
    3. Condition of A/T:
      • Selector lever position: D range
      • Overdrive switch: ON
  2. One trip monitor will be completed by driving according to the steps below (from start to switch off). It will take 35 minutes.
    1. After warming up the engine, turn off the ignition switch.
    2. Start the engine, and accelerate to 89 - 97 km/h (55 - 60 mph).
    3. Drive between 89 and 97 km/h (55 and 60 mph) for 30 minutes or more during monitor. Moreover, do not drive the vehicle at the constant speed range for 120 seconds or more. (Accelerate or decelerate lightly within the 120 seconds. Brake may be applied, but avoid decelerating or accelerating suddenly).
    4. Decelerate and stop the vehicle. Then turn off the ignition switch.
Fig 1: Drive Cycle Pattern For Fuel Trim Monitor
G99C08399Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
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.