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Joined: Jul 2003
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CurtisA Offline OP
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I haven't posted here for a long time
Car has been flawless - 138000 mi - mostly city

1995 V6 "code 543 fuel pump circuit open" - when
eccelerating car will jerk - but will eventually
smooth out - My 1st thought was changing the fuel
filter but when the code came up ?????


Thanks in Advance Curt

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Sounds to me like the fuel pump is going bad...

-Lance


Lance Kinley CEG Webmaster 95 SE, "Cassandra" 10 years!
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i would say so too. change filters one on the outside and one in the gas tank try the outside first.


1999 Ford Contour SE Zetec with 137k miles. AIM Name: ContourAlf Yahoo IM: Contour_Freak
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Ignore the 543 code. It is commonly set when the engine is stalled on an OBD-I system. There is no way that a faulty fuel pump can cause this error code.

If there is no CEL, concentrate on the secondary ignition system (plugs and wires).

If you are concerned that fuel delivery might be the problem, connect a fuel pressure guage to the rail and test the pressure. It will then be obvious if you are in the right area.

Steve




98 Contour SE Sport 2.5 Duratec ATX The wifey's car 89 Taurus SHO - 246K miles 94 SHO ATX - 190K 1997 F-150 5.4L ATX - The Workhorse 150K. ANY THREAD WITH "OMG" or "WTF" ETC IN THE TITLE WILL BE IGNORED!

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