What does E4B mean?
Exhaust thermistor is shorted.
Common causes
- Shorted thermistor
- Pinched wiring
Diagnostic & testing steps
- 1. Test thermistor - should not be near 0 ohms
- 2. Check for pinched wiring
- 3. Replace thermistor
OEM parts & part numbers
Exhaust Thermistor
Part numbers: 134587700
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