TROUBLESHOOTING
NO.11 LACK/LOSS OF POW ER - ACCELERATION/CRUISE
11
Lack/loss of power - acceleration/cruise
DESCRIPTION
•
Performance is poor under load (e.g., power down when climbing hills).
POSSIBLE
CAUSE
•
Improper A/C system operation
•
Erratic signal or no signal from CMP sensor
•
Air leakage from intake-air system parts
•
Purge control solenoid malfunction
•
EGR valve malfunction
•
Brake dragging
•
Erratic signal from CKP sensor
•
Low engine compression
•
Vacuum leakage
•
Poor fuel quality
•
Spark leakage from high-tension leads
•
Air cleaner restriction
•
PCV valve malfunction
•
Improper valve timing due to jumping out of timing belt
•
Restriction in exhaust system
•
Intermittent open or short in fuel pump body circuit
•
Inadequate fuel pressure
•
Fuel pump body mechanical malfunction
•
Fuel leakage from fuel injector
•
Fuel injector clogging
•
Intermittent open or short of MAF sensor, TP sensor and VSS
•
ATX malfunction
•
Clutch slippage
Warning
• Following troubleshooting flow chart contains fuel system diagnosis and repair
procedures. Read following warnings before performing fuel system service:
— Fuel vapor is hazardous. It can easily Ignite, causing serious injury and damage.
Always keep sparks and flames away from fuel.
— Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries
or death and damage. Fuel can also irritate skin and eyes. To prevent this, always
complete “BEFORE REPAIR PROCEDURE” and “AFTER REPAIR PROCEDURE”. (See
Section F)
Caution
• Disconnecting/connecting the quick release connector without cleaning it may possibly
cause damage to the fuel pipe and quick release connector. Always clean the quick
release connector joint area before disconnecting/connecting, and make sure that it is
free of foreign material.
Diagnostic Procedure
STEP
INSPECTION
RESULTS
ACTION
1
Verify following:
• Vacuum connection
• Air cleaner element
• No air leakage from intake-air system
• No restriction of intake-air system
• Proper sealing of intake manifold and
components attached to intake manifold;
such as EGR valve, IAC valve
• Fuel quality (e.g. proper octane,
contamination, winter/summer blend)
Are all items okay?
Yes
Go to next step.
No
Service as necessary.
Repeat Step 1.
2
Connect NGS tester to DLC.
Turn ignition switch on.
Retrieve any DTC.
Is any DTC displayed?
Yes
No DTC is displayed:
Go to next step.
No
DTC Is displayed:
Go to appropriate DTC test.
3
Is engine overheating?
Yes
Go to symptom troubleshooting No. 16 “Cooling
system concerns - Overheating".
No
Go to next step.
F1-125
Содержание 626 Station Wagon
Страница 25: ...CONTROL SYSTEM WIRING DIAGRAM With Immobilizer System OUTLINE F1 4 ...
Страница 179: ...OUTLINE SYSTEM WIRING DIAGRAM S m ç g fT I C g 3 3 21 A m Hi p È a t ï S 3 M h d 0H ÜB 1 Hl J e F2 3 ...
Страница 183: ...CONTROL SYSTEM COMPONENT LOCATION F2 7 ...
Страница 204: ...MANUAL TRANSAXLE FEATURES OUTLINE J 2 OUTLINE OF CONSTRUCTION J 2 SPECIFICATIONS J 2 D J 1 ...
Страница 206: ...AUTOMATIC TRANSAXLE GF4A EL FEATURES OUTLINE K1 2 OUTLINE OF CONSTRUCTION K 1 2 SPECIFICATION K1 2 K1 1 ...
Страница 266: ...SHIFT MECHANISM 6 Apply grease to the cam as shown K2 59 ...
Страница 418: ...TROUBLESHOOTING KEYLESS ENTRY SYSTEM ON BOARD DIAGNOSTIC FUNCTION S 37 ...
Страница 454: ...WARNING AND INDICATOR SYSTEM O p e ra tin g O rd e r T 32 ...