TROUBLESHOOTING GUIDE — 24 EXHAUST SULFUR ODOR / 25 HIGH OIL CONSUMPTION
F2-65flowchart24 EXHAUST SULFUR ODOR
DESCRIPTION: Exhaust gas has unusual odor
NOTE
[TROUBLESHOOTING HINTS]
High sulfur content fuel used
24 EXHAUST SULFUR ODOR — Troubleshooting
STEP 1: Change to another brand of fuel
25 HIGH OIL CONSUMPTION
DESCRIPTION: Oil consumption excessive
NOTE
[TROUBLESHOOTING HINTS]
1. PCV system malfunction
2. Engine malfunction (Oil working up, working down, or leaking)
25 HIGH OIL CONSUMPTION — Troubleshooting
1
STEP 1: Is PCV hose, ventilation hose, or attaching nipples separated, damaged, clogged, or restricted? (page F2-124)
Yes
Repair or replace
No
2
STEP 2: Is there air pressure or oil at ventilation hoses?
No
Check engine condition (section B2): Oil leakage, Worn valve seal, Worn valve stem, Worn valve guide
Yes
3
STEP 3: Is vacuum felt at PCV valve at idle? (page F2-124)
No
Replace PCV valve
Yes
4
Check engine condition (section B2): Worn piston ring groove, Stuck piston rings, Worn piston or cylinder