Intake Manifold Air Temperature Sensor Circuit Range/Performance (Bank 2)
The P2079 code means the vehicle's onboard diagnostic system has detected: Intake Manifold Air Temperature Sensor Circuit Range/Performance (Bank 2). This is a low 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
- Minor fuel economy reduction
- Slight idle change
- Bank 2 temp reads differently from Bank 1
- No major symptoms
Probable Causes (Ranked by Likelihood)
- Bank 2 sensor reading outside expected range Very High
- Sensor drift from age High
- Heat soak affecting Bank 2 sensor Moderate
- Intermittent wiring at Bank 2 Low
Step-by-Step Diagnostic Procedure
-
Compare Bank 2 reading to Bank 1 on cold start
-
Monitor Bank 2 temp during driving
-
Check sensor location for heat sources
-
Replace sensor if readings are inconsistent
Frequently Asked Questions
What does P2079 mean?
P2079 indicates: Intake Manifold Air Temperature Sensor Circuit Range/Performance (Bank 2). The ECM has detected an issue with this sensor or circuit.
Is P2079 serious?
Not urgent, but should be repaired to maintain accuracy and efficiency.
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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