70
(3) Diagnosis procedure for insufficient engine power (Figure 150)
2. Poor deceleration
(1) Symptom
Idling is normal, but the engine is frequently turned off upon sudden release of the accelerator pedal
during driving.
(2) Causes and Troubleshooting:
a. Throttle position sensor is damaged and shall be replaced;
b. Initial idling is not properly adjusted or automatic idle control is wrong, fuel cut RPM is too low,
ECU fault, repair or replace them.
Insufficient power
Insufficient
Check whether throttle valve can be fully open
Unable to be fully open
Adjust
OK
Check whether the air cleaner is clogged
Clogged
Clean or replace
OK
Check the throttle valve position sensor for failure
Abnormal
Repair or replace
OK
Check the water temperature switch and thermostat
NG
Replace
OK
Check the vacuum pressure sensor for failure
NG
Replace
OK
Check the fuel pressure
Excessively low or high
Service the electric fuel pump,
fuel
filter
and
fuel
pressure
regulator
OK
Check the oxygen sensor
Incorrect
Replace
OK
Check the injector
Incorrect
Replace
OK
Replace the spark plug, ignition coil and high voltage wire
OK
Disassemble the engine
Figure 150
Содержание CK MR479Q 2007
Страница 1: ......
Страница 52: ...45 Section 4 Fuel Pump Replacement Figure 102 ...
Страница 57: ...50 Chapter 5 Exhaust System MR7131A MR7151A MR7161A Component1 Figure 116 ...
Страница 63: ...56 Chapter 7 Clutch MR7131A MR7151A MR7161A Component 1 Hydraulic Manipulation Figure 131 ...
Страница 66: ...59 Chapter 8 Maunal Transaxle Assembly MR7131A MR7151A MR7161A Component 1 Figure 139 ...
Страница 143: ...136 Section 4 Power Steering Gear Retaining Device Components Front Cowl Panel Assembly Cotter Pin Cotter Pin ...
Страница 208: ...201 High Mounted Stop Lamp LH Rear Combined Lamp Rear Trunk Lamp Switch License Plate Lamp RH rear Combined Lamp ...
Страница 246: ...239 Tweeter Antenna Cable Antenna Assembly Front Speaker Assembly Rear Speaker Assembly ...
Страница 300: ...293 8 Remove the whole HECU from the bracket ABS HECU Assembly ABS HECU Brake Pipe Removal Schematic ...
Страница 387: ...380 5 24 1 2 3 4 Figure 5 24 COWL 1 Cowl 2 Heat Insulating Protecting Board 3 Front Cross Member 4 Heat Insulating Pad ...