LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Mazda
>>
2003
>>
Protege ES, Automatic
>>
Repair and Diagnosis (Single Page)
>>
Engine Performance
>>
System
>>
Engine Controls - Self-Diagnostics
>>
Diagnostic Tests
>>
DTC P0107: BARO Circuit - Low Input
>>
Possible Causes
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Possible Causes
Connector or terminal malfunction.
EGR boost sensor malfunction.
Open or short circuit between EGR boost sensor and PCM.
PCM malfunction.
Poor connections.