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Home >> Suzuki >> 2011 >> Grand Vitara Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis >> Diagnostic Information and Procedures >> DTC P0171: System Too Lean; DTC P0172: System Too Rich >> DTC Confirmation Procedure
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DTC Confirmation Procedure

WARNING:
  • When performing a road test, select a place where there is no traffic or possibility of a traffic accident and be very careful during testing to avoid occurrence of an accident.
  • Road test should be carried out by 2 persons, a driver and a tester, on a level road.
NOTE:
  • If DTC other than aimed DTC are previously detected in DTC confirmation procedure, be sure to troubleshoot DTC previously detected
  • Check to make sure that the following condition is satisfied when using this procedure. - BARO > 75 kPa (0.8 kgf/cm2, 10.8 psi, 0.75 bar)
  1. Start engine and warm up to normal operating temperature.
  2. Drive vehicle at 50 - 60 km/h (31 - 37 mile/h) for 3 min. (Keep throttle valve opening constantly in this step.)