P0107
MAP Sensor Circuit Low
medium
i Description
The Manifold Absolute Pressure sensor circuit is producing a voltage lower than the expected minimum. This usually indicates a wiring issue or failed sensor.
? Common Causes
- Open or shorted MAP sensor wiring
- Faulty MAP sensor
- Poor ground connection
- ECU fault (rare)
! Symptoms
- Check engine light
- Rich running condition
- Poor fuel economy
- Black exhaust smoke
# Diagnostic Steps
- Test MAP sensor reference voltage (should be ~5V)
- Check wiring continuity between MAP sensor and ECU
- Inspect connector for corrosion
- Replace MAP sensor if voltage is out of range
⚙ Typical Fix
Repair wiring or replace the MAP sensor.
Parts Needed
MAP sensor, Wiring repair supplies
Estimated Cost
$50-$250
↔ Related Codes
Q Frequently Asked Questions
The car will run but likely be in a rich condition. Avoid extended driving as this can damage the catalytic converter.
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