Fuel economy is not a fixed number.
It varies based on driving conditions,
driving habits and vehicle condition.
Therefore, it is not possible for one
set of estimates to predict fuel
economy
The following factors can lower your
vehicle’s fuel economy:
Aggressive driving (hard acceleration and braking)
Excessive idling, accelerating and braking in stop-and-go traffic
Cold engine ope
Vehicle Maintenance
A properly maintained vehicle
maximizes fuel economy. Poor
maintenance can significantly reduce
fuel economy. Always maintain your
vehicle according to the maintenance
m
DTC P2270: Secondary HO2S (Sensor 2)
Circuit Signal Stuck Lean
DTC P2271: Secondary HO2S (Sensor 2)
Circuit Signal Stuck Rich
NOTE: Before you troubleshoot, record all freeze data and any on-board
snapshot, and review the general troubleshooting information.
1. Turn the ignition switch ON (II).
2
1. Make sure the battery connections are good and
the battery is sufficiently charged.
2. Connect a VAT-40 (or equivalent tester), and turn
the selector switch to position 1 (starting).
3. Start the engine. Hold the engine speed at
3,000 rpm with no load until the radiator fan comes
on, then let i