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Home >> Toyota >> 1995 >> Pickup Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 2.4L >> Diagnostic Testing >> Code 71 - Exhaust Gas RECIRCULATION (EGR) System Malfunction >> Code Detection Test Drive (Calif.)
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Code Detection Test Drive (Calif.)

  1. Ensure ignition is off. Disconnect EFI fuse for 10 seconds or more. Reinstall fuse. Start engine and operate till at normal operate temperature.
  2. Idle engine for 3 minutes. Drive vehicle at 55-60 MPH on flat road for 4 minutes. Stop vehicle and turn off ignition for at least 3 seconds. Idle engine for 2 minutes. Drive vehicle at 55-60 MPH on flat road for 4 minutes. Stop vehicle. If malfunction exists, MIL will illuminate during 2nd test drive.
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