P2074 low

Intake Manifold Air Temperature Sensor Circuit Range/Performance (Bank 1)

The P2074 code means the vehicle's onboard diagnostic system has detected: Intake Manifold Air Temperature Sensor Circuit Range/Performance (Bank 1). This is a low severity code.

My Garage →

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 decrease
Slight idle quality change
ECM may use default temperature value
No major drivability symptoms

Probable Causes (Ranked by Likelihood)

Sensor reading outside expected range for conditions Very High
Sensor element drift from age High
Heat soak from engine affecting sensor Moderate
Wiring intermittent connection Low

Step-by-Step Diagnostic Procedure

Compare sensor reading to ambient temperature on cold start
Monitor sensor data during driving
Inspect sensor location for heat sources
Replace sensor if readings drift

Frequently Asked Questions

What does P2074 mean?

P2074 indicates: Intake Manifold Air Temperature Sensor Circuit Range/Performance (Bank 1). The ECM has detected an issue with this sensor or circuit.

Is P2074 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.