P0106: Manifold Absolute Pressure (MAP) Circuit Range/Performance
The MAP sensor reading doesn't match what the engine computer expects for the throttle opening and engine speed.
Green, yellow, red: three ways P0106 can look
The same code can be a quick fix or a reason to pull over. Match your situation to the closest example.
Keep an eye on it
Drives normally.
Schedule a repair
Rough running or returns. Have it tested.
Stop and get help
Stalling or limp mode. Get it diagnosed before driving far.
Symptoms you might notice
- Rough idle
- Hesitation
- Poor economy
Common causes, cheapest first
- Cracked or disconnected MAP vacuum hose
- Vacuum leak
- Plugged MAP sensor port
- Failed MAP sensor
- Low engine vacuum from a mechanical problem
What you can check before calling
- Check the MAP sensor hose (if equipped) for cracks
- Look for vacuum leaks
A code points to a system, not a part. Replacing parts based on the code alone is how people spend money without fixing the problem. Testing confirms the cause first.
Generic codes (second character 0) mean the same thing on every vehicle. Some manufacturers add their own details, so check service information for your exact vehicle.
Related codes
More engine sensors codes
Look up another code
Cummins fault code (like 1922), J1939 SPN and FMI (like SPN 3251 FMI 0), or an OBD-II code (like P0420).
Questions
What does P0106 mean?
P0106 means "Manifold Absolute Pressure (MAP) Circuit Range/Performance". The MAP sensor reading doesn't match what the engine computer expects for the throttle opening and engine speed.
Can I drive with code P0106?
It depends on what the vehicle is doing. Green: Drives normally. Yellow: Rough running or returns. Have it tested. Red: Stalling or limp mode. Get it diagnosed before driving far.
What causes P0106?
The most common causes are: cracked or disconnected MAP vacuum hose; vacuum leak; plugged MAP sensor port.
Is P0106 a serious code?
It can be. Stalling or limp mode. Get it diagnosed before driving far.
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