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Discussing Freaking IDLE in the 5.0 Mustangs Forum. Ok guys was told it might be a Vaccum leak ok well today I tryed ... Modded Mustangs is the premier Ford Mustang Forum on the internet. We discuss all aspects of the Ford Mustang on the forum. Registered Users do not see the above ads. Please Register - It's Free! |
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#1 |
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MM's Resident Pedo
07 DB Response sport
Live it like its your last...
Join Date: Feb 2008
Location: Lexington KY
Posts: 590
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Freaking IDLEI am completely lost please help guys about to take it to a shop afraid to know how much they'll charge though |
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#2 |
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Enthusiast
1987 Mustang GT
Join Date: Apr 2007
Location: IL
Posts: 685
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Is it surging? Mine did that and it turned out to be timing.
__________________
87 GT, typhoon upper and lower,70mm tb, 90mm maf, bbk shorties, bbk x-pipe, flowmaster cat back, 3:73 gear, pro 5.0 shifter, novi blower,afm power pipe, load IO, Trick Flow heads, Anderson B-31 cam, Anderson PMS, 42 lb injectors, t-rex fuel pump.
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#3 |
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MM's Resident Pedo
07 DB Response sport
Live it like its your last...
Join Date: Feb 2008
Location: Lexington KY
Posts: 590
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I dont think so here are the symptons
Start her up idle at 3k non-stop the car pulls me down the road, it idles like that all day so I turn her off at stop lights cant handle the idle But when I make a hard right (dont know about left) turn it will cut the idle a little but then goes right back... and sometimes at random time it stalls like on its face or sometimes it like hesitates when I'm just driving or get on it like a miss but just put new plugs in it, the wires are good... |
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#4 |
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Regular
1990 Mustang Lx
??@ i wanna know
Join Date: Mar 2007
Location: Connecticut
Posts: 446
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dont understand the turning deal, itd have to be a massive vac leak...check your timing like jam said
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#5 |
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Regular
1990 Mustang Lx
??@ i wanna know
Join Date: Mar 2007
Location: Connecticut
Posts: 446
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also did you back your idle screw out?
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#6 |
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MM's Resident Pedo
07 DB Response sport
Live it like its your last...
Join Date: Feb 2008
Location: Lexington KY
Posts: 590
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well I didnt find any air leaks dangit ok so how do I check my timing could someone walk me threw it? or should I just take it to the shop =(
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#7 |
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MM's Resident Pedo
07 DB Response sport
Live it like its your last...
Join Date: Feb 2008
Location: Lexington KY
Posts: 590
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No its about mid-way why should I back it out?
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#8 |
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Regular
1992 LX 5.0
Join Date: Oct 2007
Location: Birmingham, AL
Posts: 304
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have you tried adjusting the idle screw at all to help with the fact that it idles at 3k?
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WICK THE MOSTER!!!! |
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#9 |
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MM's Resident Pedo
07 DB Response sport
Live it like its your last...
Join Date: Feb 2008
Location: Lexington KY
Posts: 590
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well kind of I turned it right to tighten to lower the idle (is that correct) and it didnt do anything at all so I might want to try that (dang if thats it im going to smack myself in the head)
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#10 |
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Enthusiast
89 GT
Join Date: Apr 2007
Location: Did you get that thing I sent you?
Posts: 972
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have you checked your gas pedal and throttle cable.. you don't have anything resting on the pedal do you? maybe your throttle cable is stuck? just some easy things to rule out before you start looking elsewhere.
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#11 |
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MM's Resident Pedo
07 DB Response sport
Live it like its your last...
Join Date: Feb 2008
Location: Lexington KY
Posts: 590
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No never thought about that I dont know exactly where it is but I'll crawl under her tomorrow and look I would figure it would be a obvious to see though
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#12 |
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Enthusiast
89 GT
Join Date: Apr 2007
Location: Did you get that thing I sent you?
Posts: 972
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You will be able to see your throttle cable from under the hood, no need to get under the car. Check the pedal right at the floor and push it with your hand, make sure it moves freely and springs back all the way. Then check your throttle cable right at the TB. Make sure your throttle blade closes all the way and there is no catches in its action.
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#13 | |
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MM's Resident Pedo
07 DB Response sport
Live it like its your last...
Join Date: Feb 2008
Location: Lexington KY
Posts: 590
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Ok well I remember when I installed the TB it was shut all the way but I'll double check it and make sure |
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#14 |
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Enthusiast
89 GT
Join Date: Apr 2007
Location: Did you get that thing I sent you?
Posts: 972
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did this idle problem start right after you installed the TB? I remember you were having problems with the gaskets, did you get that all sorted out?
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#15 |
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Regular
Join Date: May 2007
Location: Columbia SC
Posts: 286
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clean your salt and peppers, clean IAB, those 2 are the first things you should do. try resetting base idle as well, its always better to eliminate than to guess at whats wrong firsthand.
__________________
1993 Mustang GT, catless h-pipe, bbk shorties, 40 series flows, bbk rear suspension, edelbrock front suspension, AUTOLITES!!! =), k&n, underdrives, 3.73's
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#16 |
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Regular
Join Date: May 2007
Location: Columbia SC
Posts: 286
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BTW, 3k sounds like ur IAB is stuck open.
__________________
1993 Mustang GT, catless h-pipe, bbk shorties, 40 series flows, bbk rear suspension, edelbrock front suspension, AUTOLITES!!! =), k&n, underdrives, 3.73's
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#17 | |
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MM's Resident Pedo
07 DB Response sport
Live it like its your last...
Join Date: Feb 2008
Location: Lexington KY
Posts: 590
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the IAB = ? |
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#18 |
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Regular
Join Date: May 2007
Location: Columbia SC
Posts: 286
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Idle air bypass. its the thing thats bolted to the side of ur TB =) unbolt it, unplug it, and soak that thing in carb spray. brown liquids will come out. specially if u have a K&N filter .
__________________
1993 Mustang GT, catless h-pipe, bbk shorties, 40 series flows, bbk rear suspension, edelbrock front suspension, AUTOLITES!!! =), k&n, underdrives, 3.73's
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#19 | |
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MM's Resident Pedo
07 DB Response sport
Live it like its your last...
Join Date: Feb 2008
Location: Lexington KY
Posts: 590
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P.S. whats the thing ontop of the TB the black thing that goes over a small straight thing? |
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#20 |
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Regular
Join Date: May 2007
Location: Columbia SC
Posts: 286
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thats ur TPS = throttle positioning sensor. BTW the IAB can be called anything with the combination of the words
Air . Idle. Control. Bypass. =) IAB, IAC, AIC, AIB any of those work. does the same thing. little solenoid that lets air in your intake. lol.
__________________
1993 Mustang GT, catless h-pipe, bbk shorties, 40 series flows, bbk rear suspension, edelbrock front suspension, AUTOLITES!!! =), k&n, underdrives, 3.73's
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