P0113
Intake Air Temperature Circuit High Input (Bank 1)
Description
Intake Air Temperature Circuit High Input (Bank 1). This powertrain diagnostic trouble code covers the engine, the fuel and ignition systems, emission control and the transmission.
OBD Codes Details
Possible Causes
Faulty sensor, intake leak, clogged fuel filter, weak fuel pump, damaged wiring
Solution
Check for intake leaks, inspect and clean the sensor, measure fuel pressure, compare live data against the expected range
Symptoms
- Check engine light illuminated
- Poor cold-start performance
- Rough idle when engine is cold
- Slightly reduced fuel economy
- Engine running rich under certain conditions
Diagnostic Recommendations
- Inspect IAT sensor wiring for an open circuit
- Check IAT sensor connector for corrosion or damage
- Test IAT sensor resistance against temperature specification
- Verify sensor is properly seated in the intake tract
- Replace IAT sensor if resistance is out of range
Repair Cost Estimate
- IAT sensor replacement: $30-100
- Wiring repair: $80-200
- Connector repair/cleaning: $30-80
- Diagnostic scan: $80-150
- Total diagnostic and repair: $100-450
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Fact-checking completed
Verified by:
Pavel Volkov
Created:
Information verified against official sources
Official Sources
Society of Automotive Engineers
Official OBD-II diagnostic trouble codes standard (SAE J2012)
Automotive engineering standards organization
International Organization for Standardization
International standard for vehicle diagnostic systems
International standards for automotive diagnostics
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