Question about 1999 Ford F350 Regular Cab

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My 7.3l powerstroke cuts out when you give it fuel until its warm

Once it wrms up it runs better but still cuts out if you mash the throttle.
The trouble codes we are getting from the scan tool are,p0541,p0340,
p1209, p1211,p1212, p1247, and p1248. can you tell me what that means or where to find out.

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  • BMB5 Mar 27, 2009

    I have close to the same problem in my 99 7.3 & my 02 7.3
    They run terrible until they warm up completely. They seem it be getting worse every day



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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: p1209,p1212,p0340,p0470,p1211

you should probably check your fuel pressure between the pump and the fuel bowl. my bet is that is is dropping pressure to zero causeing it to shut off just after it gets running. and there are several things that could cause that but the first to check is a return line valve on the side of the fuel bowl. that when pressure builds up it releases back into the tank and if it gets stuck open you will not have enough fuel pressure to run your truck. mine just did the same thing.

Posted on Oct 08, 2009


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