P0107: Manifold Absolute Pressure/Barometric Pressure Sensor Circuit Low
A generic powertrain (engine and transmission) trouble code, same meaning on every brand.
Driveable in fallback mode; expect poor running until fixed.
Symptoms
- Hard start, rough idle
- Stalling
- Very poor fuel economy
Likely causes, most common first
- MAP sensor unplugged or connector corroded
- Short to ground in the signal wire
- Failed MAP sensor
Read P0107 yourself before paying for diagnosis
A basic Bluetooth OBD-II scanner ($20-40) plugs into the port under the dashboard and shows this code with live sensor data on your phone - useful both for confirming the fix and for talking to a shop from an informed position.
What is going on and how it gets diagnosed
P0107 reports the MAP circuit stuck at low voltage - electrically implausible for a running engine, so the computer suspects the circuit rather than the reading. The engine keeps running on estimated load values.
This is one of the friendlier codes to chase with a multimeter: five minutes at the connector - checking the 5-volt reference, the ground, and the signal - localizes the fault to sensor or harness with certainty.
Repair options and cost
Typical US independent-shop ranges, parts and labor. Dealers run higher; regional labor rates vary.
Owner reports mentioning P0107
“Hev warning light came on when I started my car. I heard a sucking air sound at which time I turned off the car. I then restarted and no warning lights were on. Later that day while driving home the warning light came back on. I pulled the codes and it showed p0105 and p0107. Dealer inspected and found the egr pipe(c) separated from flange causing unmetered air leak. Repairs took from 09/26/18-10/02/18”2017 Hyundai Sonata · Sep 2018 · 4,854 mi
“Hev warning light came on when I started my car. I heard a sucking air sound at which time I turned off the car. I then restarted and no warning lights were on. Later that day while driving home the warning light came back on. I pulled the codes and it showed p0105 and p0107. Dealer inspected and found the egr pipe(c) separated from flange causing unmetered air leak. Repairs took from 09/26/18-10/02/18”2017 Hyundai Sonata Hybrid · Sep 2018 · 4,854 mi
Cars that report P0107 most often
Based on mentions of this code in NHTSA owner complaints.
Frequently asked questions
Can I drive with P0107?
Driveable in fallback mode; expect poor running until fixed.
How much does it cost to fix P0107?
Typical US repair costs range from $60 for the simplest fix (connector or wiring repair) to $300 in the worst case. The right number depends on which cause your car has - see the causes list.
Related codes
The codes closest to P0107. They often appear together, and telling them apart is usually what narrows the diagnosis.
Definition per SAE J2012 standard nomenclature. Symptoms, causes and costs are editorial guidance - always confirm with a diagnosis of your specific vehicle.