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#1
02-12-2009, 10:41 PM
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1993 2.3 fuel pump problems
Hi, i have a 1993 2.3l mustang. the fuel pump turns on and off when its wants to....
(say i drive my car and it will work fine but at some point,somtimes shorter, somtimes longer, the fuel pump will cut off and not turn back on....however it will restart after about 30 mins) ...... i got codes 113 (ACT sensor voltage above normal) and code 998 (hard fault present, engine running in FMEM ((Failure Mode Effective Management)). I have had the problem since i got the car but it would stop when i changed the fuel filter and not return for about a month. i would change the fuel filter and it would be fine.....but this last time i changed it, it did not help. PLZ HELP! Oh and can anyone tell me where the fuel pump relay is? Last edited by Naphtha132x; 02-13-2009 at 03:32 PM. Reason: info 
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#2
02-13-2009, 12:02 AM
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Re: 1993 2.3 fuel pump problems
Sounds like the pump is weak. check relays too.
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"When Lightning Strikes the Heartbeat Stops!" '91 Mustang LX 347 StRoKeD & BlOwN '04 Ford F-250 6L PS FX4 '95 Ford F-150 Ford Racing Pride General Motors who?  2004-2008 Ford Master Certified Technician
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#3
02-14-2009, 08:14 PM
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Re: 1993 2.3 fuel pump problems
it sound like the filter in the tank may be clogged
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#4
02-15-2009, 10:00 PM
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Re: 1993 2.3 fuel pump problems
thought it might be the strainer in the tank but replacing it didnt help. i am also getting code 543- fuel pump secondary circuit failure. what does it mean.
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