Toyota 3F-E - TROUBLESHOOTING

IGNITION SYSTEM — Troubleshooting
IG-3
TROUBLESHOOTING
Problem
Possible cause
Remedy Page
Engine will not start/
Incorrect ignition timing
Reset timing EM-1 1
hard to start
Ignition problems
(cranks ok)
•
Ignition coil
Inspect coil
IG-7
• Igniter
Inspect igniter
IG-7
• Distributor
Inspect distributor
IG-7
• High-tension cords
Inspect high-tension cords
IG-6
Ignition wiring disconnected or broken
Inspect wiring
Rough idle or stalls Spark plugs faulty
Inspect plugs IG-6
Ignition wiring faulty
Inspect wiring
Incorrect ignition timing
Reset timing EM-11
Ignition problems
•
Ignition coil
Inspect coil IG-7
•
Igniter
Inspect igniter IG-7
• Distributor
Inspect distributor IG-7
•
High-tension cords
Inspect high-tension cords
IG-6
Engine hesitates/
Spark plugs faulty
Inspect plugs
IG-6
poor acceleration
Ignition wiring faulty
Inspect wiring
Incorrect ignition timing
Reset timing
EM-1 1
Engine dieseling Incorrect ignition timing
Reset timing
EM-11
(runs after ignition
switch is turned off)
Muffler explosion Incorrect ignition timing
Reset timing
EM-1 1
(after fire) all the time
Engine backfires Incorrect ignition timing Reset timing
EM-1 1
Poor gasoline mileage Spark plugs faulty Inspect plugs
IG-6
Incorrect ignition timing
Reset timing
EM-1 1
Engine overheats
Incorrect ignition timing
Reset timing
EM-11
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