Question about 2004 Mazda Tribute

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Engine light on mazda tribute 2002

My engine light came on and they put it on the computer and it said insuficent air flow EGR so they replaced this and cleared the codes and I got 15 ks down the road and it came back on Help Thet have know idea

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  • Anonymous Mar 19, 2014

    2003 mazda

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Have it checked again and see what code it is. if it is P0401 it is probably the sensor shown below, The DPFE (Diferential Pressure Sensor)sensor is usually mounted on the engine and is connected to the pipe that runs from the exhaust manifold to the EGR valve with two rubber hoses. When the sensor goes bad, the Check Engine light comes on and typically sets any or all of teh following fault codes: P0171 & P0174 (lean codes), and/or P0401 (insufficient EGR flow). Nine out of ten times, the fault is not a bad EGR valve or a vacuum leak, but a bad DPFE sensor. A replacement costs about $112 at Ford, or about $48 at an aftermarket auto parts store.I hope this helps.

Posted on Nov 08, 2008

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2004 freestar code po401 what is the solution ?

Posted on Feb 18, 2013

  • james korpa Feb 18, 2013

    2004 freestar code po401 what i
    s the solution ?

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noavatar.png cseibolt
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Ford Escape and Mazda Tribute same engine same problem check out Catalytic Converter problems on both in the long run will have to replace all 3 of the converters may blow a hole in the EGR valve too. Go for after market parts will save you money and not going thru a dealership will help but expect to pay close tto $1,800 mostly due to labor to replace these parts. If you have a check engine light try going to Auto parts store and use their computer to check out code. Not getting this fixed will leave you stranded when it goes. Vehicle will suddenly bogg down and trust me when your doing 60 mph on the hwy. and suddenly this happens to you not a good feeling. Hope this helps.-->

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