2008 Mazda CX-7 Grand Touring 2.3L sensor code P0101

VEHICLE:  2008 Mazda CX-7 Grand Touring 2.3L, L4, MFI, DOHC, Eng Desg MZR


MILEAGE:  66,259


Customer Concern:

The engine is a bit low on power at higher speeds and Mass Air Flow (MAF) sensor code P0101 is present.


Tests:

1. Check for plugged catalytic converter(s). It is not uncommon to have a plugged exhaust after a turbocharger failure.

2. Check boost pressure in the intake manifold to determine if the turbocharger is boosting or not. If not, the turbocharger may be faulty.


Potential Causes:

Restricted Exhaust System
Turbocharger


Confirmed Fix:

Replaced Turbocharger

2008 Mazda CX-7 Grand Touring 2.3L sensor code P0101