11. Idle speed too high
Table 1-61
S/N Operation Test Results Actions
Yes Remove the trouble
1
Turn the ignition switch to ON. Check if there is
trouble information records with a diagnostic
instrument.
No Next step
Yes Adjust or replace
2
Check if the cable connected the the accelerator
pedal is locked or tightened.
No Next step
Yes Adjust or replace
3
Check the canister control valve, fuel pressure
regulator, crankcase compulsory ventilation vacuum
pipe, and the vacuum booster tube of the brake
system for reliable installation or damage.
No Next step
Yes Next step
4
Run the engine at an idle speed, keep neutral
position, step on the brake pedal, and check if the idle
speed is too high.
No 6
Yes
Repair or replace vacuum
booster
5
Clamp the vacuum booster tube. Check if the idle
speed beome normal.
No Next step
Yes Replace PVC valve
6
Replace the PVC valve. Clamp the crankcase
compulsory ventilation vacuum tube. Check if the idle
speed become normal.
No Next step
Yes
Replace canister control
valve
7
Clamp the canister control valve tube. Check if the
idle speed become normal.
No Next step
Yes Repair or replace
8 Check if the idle speed actuator is blocked or locked.
No Next step
Yes Repair or replace
9
Repair or replace. Check the other parts of the intake
air pipe for leakage.
No Next step
Yes Next step
10 Check the fuel injector seal ring for damage.
No Replace seal ring
Yes Replace ECU
11
Check the intake air manifold absolute pressure and
intake air temperature sensor for damage.
No Replace sensor
To Next Page
Loading...
