P0114 Fault Code

Intake Air Temperature Circuit Intermittent

• What does that mean?
• Symptoms
• Causes
• Solutions

The P0114 code indicates an intermittent malfunction in the intake air temperature (IAT) circuit. This code is triggered when the Engine Control Module (ECM) detects inconsistent readings from the IAT sensor, which helps the engine management system adjust fuel delivery and ignition timing based on air temperature. Proper functioning of the IAT is crucial for optimal engine performance.

What are the symptoms of the P0114 code?

• Check Engine Light (CEL) illuminated
• Poor engine performance or reduced fuel efficiency
• Erratic idle or stalling issues
• Difficulty starting the engine
• Increased emissions due to improper air-fuel mixture

What causes the P0114 code?

• Faulty intake air temperature sensor
• Wiring issues, such as frayed or damaged wires
• Poor electrical connections or corrosion in the connectors
• ECM software issues
• Air intake system leaks affecting sensor readings

How to fix P0114?

• Inspect and replace the intake air temperature sensor if found defective
• Check and repair wiring and connections related to the IAT circuit
• Update or reprogram the ECM if software issues are detected
• Clear any temporary codes and monitor for recurrence
• Perform a smoke test to detect any air intake leaks