TROUBLESHOOTING GUIDE - 29 EXHAUST SULFER SMELL / 30 HIGH OIL CONSUMPTION

F-69spec table

29 EXHAUST SULFER SMELL

DESCRIPTION: • Exhaust gas smells abnormal (Rotten egg smell)

NOTE

[TROUBLESHOOTING HINTS] High sulfer content fuel used

STEP	INSPECTION	ACTION
1	Change fuel to another brand

INSPECTIONChange fuel to another brand

ACTION

NOTE

[TROUBLESHOOTING HINTS] ① PCV system malfunction ② Engine malfunction (Oil working up, working down, or leakage)

STEP	INSPECTION	Result	ACTION
1	Check if PCV hose, ventilation hose or their attaching nipples are separated, damaged, clogged, or restricted (page F-117)	Yes	Repair or replace (page F-117)
1		No	Go to next step
2	Check if air pressure or oil is present at ventilation hose [See fig1: AIR PRESSURE OR OIL]	Yes	Go to next step
2		No	Check engine condition (page B-3): • Oil leakage, • Worn valve seal, • Worn valve stem, • Worn valve guide
3	Check if vacuum is felt at PCV valve at idle (page F-117) [See fig2]	Yes	Check engine condition (page B-3): • Worn piston ring groove, • Stuck piston ring, • Worn piston or cylinder
3		No	Replace PCV valve (page F-117)

INSPECTIONCheck if PCV hose, ventilation hose or their attaching nipples are separated, damaged, clogged, or restricted (page F-117)

ResultYes

ACTIONRepair or replace (page F-117)

INSPECTION

ResultNo

ACTIONGo to next step

INSPECTIONCheck if air pressure or oil is present at ventilation hose [See fig1: AIR PRESSURE OR OIL]

ResultYes

ACTIONGo to next step

INSPECTION

ResultNo

ACTIONCheck engine condition (page B-3): • Oil leakage, • Worn valve seal, • Worn valve stem, • Worn valve guide

INSPECTIONCheck if vacuum is felt at PCV valve at idle (page F-117) [See fig2]

ResultYes

ACTIONCheck engine condition (page B-3): • Worn piston ring groove, • Stuck piston ring, • Worn piston or cylinder

INSPECTION

ResultNo

ACTIONReplace PCV valve (page F-117)