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Cardoctor74
Cardoctor74, ASE Certified Technician
Category: Mazda
Satisfied Customers: 25927
Experience:  ASE master technician
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2000 MAZDA MPV: A CODE PO106 (MANIFOLD ABSOLUTE PRESSURE / BAROMETRIC

Customer Question

I HAVE A 2000 MAZDA MPV THAT HAS A CODE PO106 (MANIFOLD ABSOLUTE PRESSURE / BAROMETRIC PRESS. CAN YOU TELL ME WHAT AND WHERE THIS IS. THANKS JESSE
Submitted: 5 years ago.
Category: Mazda
Expert:  Cardoctor74 replied 5 years ago.
DTC P0106 - Baro circuit problem.
The PCM monitors differences between intake manifold vacuum and atmospheric pressure at idle. This signal is from the EGR boost sensor and is switched by the EGR boost sensor solenoid. When the difference is lees than 1.9 in. Hg, it will set DTC P0106. Possible causes:
Faulty EGR boost sensor
Faulty EGR boost sensor solenoid
vacuum line fault
PCM malfunction
Most common is a faulty Egr boost sensor and solenoid and would start there.
This should also help you trouble shoot.
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These are the next steps. Hoped this helped. Positive feedback and bonuses greatly appreciated.

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