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  #1  
Old 06-10-2005, 11:09 PM
dave404 dave404 is offline
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stalls until warmed up........

ok, got water leak fixed, and have had this problem stalling until warm up for a while.
when i 1st start it, it runs a few seconds then dies. start again and idles rough, finally idle smooths out, but if i try to drive it until warmed up good, it backfires through engine. once warmed up it runs good.
i havent done anything yet but inspect hoses etc... for leaks.
sounds like a lean fuel problem or ???
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Old 06-11-2005, 12:32 AM
BiggerJon BiggerJon is offline
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replace your iac(idle air control valve). common item needing replacement on these cars.
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Old 06-11-2005, 07:54 PM
dave404 dave404 is offline
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ok, replaced the IAC, never helped. chked plugs and wires ,theyre ok.
check engine light is now coming on and still backfiring through engine.
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Old 06-11-2005, 10:48 PM
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cobradude360 cobradude360 is offline
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have it scaned what year and engine do u have?
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THE 92 grand marquis LS M75 with the 281 romeo v8 u cant mess with that
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Old 06-12-2005, 02:23 AM
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Re: stalls until warmed up........

1993 4.6l
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Old 06-12-2005, 01:20 PM
fbi-interceptor fbi-interceptor is offline
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Re: stalls until warmed up........

im sorta having the same problem u r having. im also trying to figure out what the hell is going on. so the iac wasnt your problem then huh. wow that was going to be the next thing i was going to try man. then i was going to try new plugs and wires. i really hope someone comes up with a new answer for the problem because i cant stop thinking about this problem. when i start my car after it sits awhile it will idle reall rough sometimes even stall on the first try but not always. then if i try and pull out its verrrrrry sluggish!! almost like its injecters are clocked up or something. i dunno but lets keep in touch and hopefully someone can help us bro
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Old 06-12-2005, 02:33 PM
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how bout egr any one replace that i have sortof a rough idle and im just gunna rebuild my egr valve to see what happens because its alot cheaper to rebuild then to replace
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THE 92 grand marquis LS M75 with the 281 romeo v8 u cant mess with that
MODS: dynomax bullit exhaust, custom intake, polished upper plenum, 180T-stat, accel coil packs and platnum plugs

also 2005 crysler sebring sedan walter p crysler edition yea its got the 2.4 pics comin soon
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Old 06-13-2005, 01:06 PM
fbi-interceptor fbi-interceptor is offline
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Re: stalls until warmed up........

no i havent done anything with the egr valve, how much do they cost to replace one?
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Old 06-13-2005, 07:32 PM
dave404 dave404 is offline
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Re: stalls until warmed up........

i still need help ! thought i had the overheating problem fixed but no. Evidently whatever the cause was what blowed the hose under the intake.
still stalls and backfires until warmed up good.
replaced thermostat, water pump is sucking down in resovoir good. no coolant leaks i can see.
could it be plugged catalyst converters ? what about the egr on this car ? 1993 4.6
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