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Author Topic: 5.0 Base Idle Reset 87-93  (Read 381 times)
humbleLX
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« on: November 13, 2008, 11:57:15 AM »
1. Warm car up to operating temp
2. Turn on headlamps (no accessories)
3. Unplug IAC (if car won't idle, turn stop screw until the car will stay idling)
4. Adjust idle stop screw til desired rpm is reached
5. plug IAC back in
6. Recheck TPS voltage with car off.  TPS should be under 1.00v.  Typically .97-.98/WOT voltage should be 4.60v at TPS
« Last Edit: November 26, 2008, 02:01:22 PM by humbleLX » Logged

Quote from: RTL7986 on July 16, 2009, 07:36:01 PM
took me 20 minutes with a hand from my room mate.
cadeezy1
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« Reply #1 on: November 23, 2008, 09:41:06 PM »
any tips for suspected vacuum problems?  i just now have time to work on it again but fawk i still need to get it idling right before i can go safety/register um.
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humbleLX
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« Reply #2 on: November 23, 2008, 09:49:49 PM »
have u run a vacuum test?  see if u can borrow a vacuum gauge to see what kind of vacuum ur car is pulling at idle.  iirc xavier bought one for around 2-30 bucks at napa or checker.
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Quote from: RTL7986 on July 16, 2009, 07:36:01 PM
took me 20 minutes with a hand from my room mate.
xavb
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« Reply #3 on: November 24, 2008, 02:39:13 AM »
yup they not too expensive. also check out this link, i think it gives some tips on how diagnose vacuum leaks. http://forums.stangnet.com/showthread.php?t=698148
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2003 DSG Mach 1 - Pro 5.0 shifter, Magnapack catback, 31 spline Moser axles, 31 spline Ford Diff, FRPP 4.30s, and Diablo tuner

Sold - 1992 LX 5.0 - TF HCI, other mods -280.6hp/325.5tq
olderpsycho
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« Reply #4 on: November 24, 2008, 07:58:59 AM »
Or take off the inlet tubing from the maf and plug all the vacuum hoses. Then put the open end of the inlet tube over your mouth and blow real hard until you turn blue. Have someone listen for breath leaks.
This will cause a temporary high and losing some brain cells!












j/k about the whole thing. How is all your lower/upper intake gasket? If it is moist with oil, it's too compressed.
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cadeezy1
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« Reply #5 on: November 24, 2008, 07:03:33 PM »
x, i found that link on one of your other posts after i asked... lol.  i'll be running through that checklist friday and hopefully have something going.  thanks!  i can't wait to drive this car again with some confidence in reliability.
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