System Too Lean (Bank 1) (P0171,P0172)
DESCRIPTION
The fuel trim is related to the feedback compensation value, not to the basic
injection duration. The fuel trim consists of both the short-term and long-term
fuel trims.
The short-term fuel trim is fuel compensation that is used to constantly ...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuator and other items to be read without removing any parts. This non-intrusive
inspection can be very useful beca ...
How To Proceed With Troubleshooting
PROCEDURE
1.
CHECK TIRE AND WHEEL SYSTEM
DIAGNOSIS OF IRREGULAR TIRE WEAR
GO TO STEP 11
DIAGNOSIS OF TIRE VIBRATION
2.
...