Intake Manifold Air Temperature Sensor Circuit (Bank 1)
The P2073 code means the vehicle's onboard diagnostic system has detected: Intake Manifold Air Temperature Sensor Circuit (Bank 1). This is a moderate severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- easy
- Estimated cost
- $40 - $200 (parts and labor)
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Common Symptoms
- Check Engine Light on
- Slightly rough idle when cold
- Reduced fuel economy
- Engine may run rich or lean
- No severe drivability symptoms
Probable Causes (Ranked by Likelihood)
- Failed intake air temperature sensor Very High
- Damaged sensor wiring High
- Corroded sensor connector Moderate
- ECM input circuit fault Low
Step-by-Step Diagnostic Procedure
-
Read intake air temperature on scan tool and compare to ambient
-
Inspect sensor wiring and connector
-
Measure sensor resistance at known temperature
-
Replace sensor if readings are incorrect
Frequently Asked Questions
What does P2073 mean?
P2073 indicates: Intake Manifold Air Temperature Sensor Circuit (Bank 1). The ECM has detected an issue with this sensor or circuit.
Is P2073 serious?
Moderately serious. Schedule a repair soon.
Can I diagnose this myself?
Basic diagnosis is possible with a scan tool and multimeter. Check wiring, connector condition, and sensor readings. Compare data to manufacturer specifications.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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