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2005 Mercury Monterey Question: my engine light came on with a code p0401 it is bad?

 

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monterey van, Waukegan, IL, September 30, 2011, 19:17
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THE SHOP WHERE I WAS CLOSE TOO TOLD ME I NEED TO FIX IT FAST. BEFORE IT, GIVE ME MORE PROBLEMS, IM NOT SURE IF THIS IS TRUE, THEY TOLD ME THAT THEY NEED TO REPLACE SPARK PLUGS N WIRES FUEL FILTER. IS THIS TRUE. WOULD LIKE TO HERE 2ND OPINION. THANKS

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  • Answer #1

    lalote96 September 30, 2011, 23:49
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    not true, what you need to do is to read the codes in your computer with a scan computer and replease the sensor that is not working properly

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  • Answer #2

    patrick mannion from Greg Solow's Engine Room, October 02, 2011, 11:27
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     Master

    http://www.obd-codes.com/p0401
    P0401 is Insufficient EGR Flow, it may be true your engine needs a tune up but this alone is not going to attend to the true cause of the Check Engine Light being on.

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  • Answer #3

    ctjenks March 09, 2012, 14:04
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     Rookie

    just my take on this; have a 04 monterey van (best road beast ive ever had....);
    if you engine light is on solid...return fuel sensor and fuel filter need to bee replaced. if your engine light is blinking....whoe to you...catylitic converter. 03/09/12
    spent 800 on new gas limiter/sensor (left rear of engine block) new drive belt and front end align with two new tires; front wheel drive love it; 4.2 litre side six (i've blown off mustangs from time to time).
    veriy comfortable leather fully adj. seats and all good stuff. cd/am/fm/engine comp totally clean etc.
    no brag, just fact. took a year or so to get this machine trustworthy. i'd take it anywhere/anytime.

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