Confirmation Procedure

1. Review the HDS [ On-board snapshot ] and record the value of [ AF FB (ST Fuel Trim) ] when the DTC P0171 and/or P2187 was set.

2. Test-drive the vehicle under the same conditions when the DTC P0171 and/or P2187 was set.

• Engine Speed
• Vehicle Speed
• REL TP Sensor
• APP Sensor