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First generation, based on the Ford C1 global platform.

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Mazda 3 2004 2.3L eng chk light on code p2228 & p2004.

The engine have problem on idle sometime eng shutdown

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Danisand, Error code P2228 is Barometric Pressure Sensor A Circuit Low and P2004 is Variable Tumble Shutter Valve Stuck Open

Possible causes

- Faulty VTC Shutter valve actuator (Stuck open)

- Missconnecting or pull out the vacuum hose

- Faulty Variable tumble solenoid valve

- Variable tumble solenoid valve harness is open or shorted

- Variable tumble solenoid valve circuit poor electrical connection

from here. Check your vacuum lines as well as your EGR valve.

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p2228 is a intake sensor error so you may have a plugged air filter or a broken MAP sensor .the p2004 is a intake manifold leak probably a vaccum hose around the intake

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