TROUBLESHOOTING [ENGINE CONTROL FS]
21
ENGINE NOISE
DESCRIPTION
Engine noise from under hood
POSSIBLE
CAUSE
Squeal, click or chirp noise
• Improper engine oil level
• Improper drive belt tension
Rattle sound noise
• Loose parts
Hiss sound noise
• Vacuum leaks
• Loose spark plug
• Air leaks from intake air system
Rumble or grind noise
• Improper drive belt tension
Rap or roar sound noise
• Exhaust system loose
Other noise
• Camshaft friction gear noise
• MLA noise
STEP
INSPECTION
ACTION
1
Is squeal, click or chirp sound present?
Yes
Check following:
• Engine oil level.
• Drive belts.
No
Go to next step.
2
Is rumble or grind sound present?
Yes
Check drive belt.
No
Go to next step.
3
Is rattle sound present?
Yes
Check location of rattle for loose parts.
No
Go to next step.
4
Is hiss sound present?
Yes
Check following:
• Vacuum leaks.
• Spark plug loose.
• Intake air system leaks.
No
Go to next step.
5
Is rap or roar sound present?
Yes
Check exhaust system for loose parts.
No
Go to next step.
6
Is knock sound present?
Yes
Go to flow chart 12 for “KNOCKING/PINGING".
No
If noise comes from engine internal, check for friction gear
or MLA noise.
7
Verify test results. If okay, return to diagnostic index to service any additional symptoms.
0 1 -0 1 A - 1 60
Содержание MX-6 1998
Страница 1: ......
Страница 501: ...STARTING SYSTEM 3 If not as specified replace the starter interlock switch 01 19 3...
Страница 803: ...MANUAL TRANSAXLE W 6 U 5 1 5 W A C 05 15 7...
Страница 934: ...CONTROL SYSTEM CONTROL SYSTEM STRUCTURAL VIEW W6U740WA0 07 40 2...
Страница 983: ...SERVICE TOOLS 08 60 SERVICE TOOLS 08 RESTRAINTS S S T 08 60 1 08 RESTRAINTS SST 08 60 1...
Страница 1005: ...TROUBLESHOOTING POWER DOOR LOCK SYSTEM From previous page Go to next page W 6 U 9 0 1 W H 3 09 01E 7...
Страница 1168: ...SEATS 4A 4 If not as specified replace the power seat switch 2A 2B t 4B 3A 1C 1A 1F W6U913WA9 09 13 7...