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
NOTE: Before doing this troubleshooting procedure,
review SRS Precautions and Procedures.
1. Erase the DTC memory.
2. Read the DTC.
Is DTC 83-26 indicated?
YES-Go to step 3.
NO-Intermittent failure, the system is OK at this
time. Go to Troubleshooting Intermittent Failures.
3. From INSPECTION m
NOTE:
Before you troubleshoot, record all freeze data and any on-board
snapshot, and review General Troubleshooting Information.
This code is indicated when PCM updating is
incomplete.
1. Update the A/T software in the PCM.
2. Check whether the DTC P16CO is indicated in the
DTCs/Freeze Data