P1108moderate severityPowertrain
BARO to MAP Sensor Comparison Too High
on 2022 Buick Encore 1.4L Turbo I4 · AWD
What this code means
The PCM detected too big a difference between the barometric pressure and MAP sensor readings. This usually points to a MAP sensor or vacuum problem.
Symptoms
- Check engine light on
- Poor fuel economy
- Hesitation on acceleration
Common causes
- Faulty MAP sensor
- Vacuum leak
- Restricted MAP vacuum port
- Wiring or connector fault
Diagnostic steps
- Scan and compare BARO and MAP readings
- Inspect MAP sensor and vacuum source
- Test MAP sensor voltage at idle and rev
- Check for intake vacuum leaks
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Other Powertrain codes on this vehicle
P0001
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P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0005
Fuel Shutoff Valve A Control Circuit/Open
P0006
Fuel Shutoff Valve A Control Circuit Low
P0007
Fuel Shutoff Valve A Control Circuit High
P0008
Engine Position System Performance - Bank 1
P0009
Engine Position System Performance - Bank 2
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1