P0107
Medium SeverityMAP/BARO Sensor Circuit Low Input
Fuel System
What Does P0107 Mean?
MAP sensor voltage is below the expected minimum. The ECM sees this as extremely high vacuum, causing incorrect fuel calculations.
Common Fix
Replace MAP sensor
Estimated Cost (DIY)
$20 - $80
Symptoms
- ⚠️Rich running
- ⚠️Black exhaust smoke
- ⚠️High idle
- ⚠️Poor fuel economy
Common Causes
Faulty MAP sensorlikely
Short in sensor wiringpossible
Bad ground connectionpossible
ECM issueunlikely
How to Diagnose P0107
- 1Check sensor wiring and connector
- 2Measure MAP sensor output voltage
- 3Verify reference voltage (5V)
- 4Replace sensor if output stuck low
Need to read or clear this code?
Shop OBD2 Scanners on Amazon →Frequently Asked Questions
- What does P0107 mean?
- P0107 means the MAP sensor voltage is too low. Usually a failed sensor or wiring problem.
- Is P0107 expensive to fix?
- No — MAP sensors cost $20-$80 and are usually easy to replace.