INSPECT THROTTLE BODY ASSEMBLY
Check that the throttle valve shaft does not rattle.
Check that each port is not clogged.
Check that the throttle valve opens and closes smoothly.
Check that there is no clearance between the throttle stop screw and throttle lever when the throttle valve is fully closed.
Note
Do not adjust the throttle stop screw.
Inspect the throttle position sensor.
Using an ohmmeter, measure the resistance between the terminals.
| Resistance | ||||
|---|---|---|---|---|
|
If the resistance is not as specified, replace the throttle body assembly.
Check the resistance change when the throttle lever is fully closed and opened.
| Resistance | ||||||
|---|---|---|---|---|---|---|
|
Tech Tips
The resistance increases in proportion to the angle of the throttle lever.
If the resistance is not as specified, replace the throttle body assembly.
Inspect the ISCV.
Using an ohmmeter, measure the resistance between the terminals.
| Resistance | ||||||
|---|---|---|---|---|---|---|
|
If the resistance is not as specified, replace the throttle body assembly.