Intake Air Temperature Sensor 2 Circuit Bank 1 Malfunction
The P0095 code indicates a problem with the intake air temperature (IAT) sensor 2 circuit on bank 1. This sensor measures the temperature of the air entering the engine and helps the engine control module (ECM) adjust fuel delivery and ignition timing. A fault in this circuit can cause incorrect air-fuel mixture, leading to poor performance, increased emissions, and potential engine damage if not addressed.
01. Most Common Causes
- Faulty intake air temperature sensor 2
- Open or shorted wiring in the sensor circuit
- Poor electrical connection at the sensor or ECM
- Corroded or damaged connector pins
02. Symptoms You Will Notice
- Check Engine Light illuminated
- Poor engine performance or hesitation
- Decreased fuel economy
- Rough idle or stalling
03. Step-by-Step Diagnosis
Step 1: Use an OBD2 scanner to confirm the code and check for additional codes.
Step 2: Visually inspect the IAT sensor 2 and its wiring for damage, corrosion, or loose connections.
Step 3: Test the sensor's resistance with a multimeter and compare to manufacturer specifications.
Step 4: Check the voltage signal at the ECM connector to verify circuit integrity.
04. Commonly Affected Makes
05. Frequently Asked Questions
Is it safe to drive with this code?▼
It is not recommended to drive long distances as incorrect air-fuel mixture can cause engine damage and poor performance.
How much does it cost to fix?▼
Typically $50 to $150 for parts and labor, depending on the sensor location and labor rates.