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2002 Taurus Idle

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3.0OHV
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Vehicle: 2002 Ford Taurus Se

2002 Taurus Idle

Post by 3.0OHV » Sun Nov 20, 2016 6:34 am

I have a 2002 Ford Taurus Se, when I start it up and let it idle the rpms will bounce to 500-1500 then back down and then back up and then stop. What is the cause of this?


warment
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Location: Virginia

Re: 2002 Taurus Idle

Post by warment » Tue Nov 22, 2016 8:11 am

Sticky Idle Air Control (IAC) valve?
2005 Ford Five Hundred SE
6-spd auto

warment
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Posts: 921
Joined: Wed Aug 31, 2005 6:13 am
Location: Virginia

Re: 2002 Taurus Idle

Post by warment » Tue Nov 22, 2016 8:12 am

Take off the IAC and clean it...or replace it. If it still does the idle bounce thing you may have a vac leak.
2005 Ford Five Hundred SE
6-spd auto

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Re: 2002 Taurus Idle

Post by Webmaster » Tue Nov 22, 2016 10:50 am

Did you scan for trouble codes? Irregular idle is highly likely to be an IAC issue.
2000 Ford Taurus SEL (excellent car, sold to a friend)
1992 Mercury Sable GS (good car except for the tranny, sold)
Current: 03 F150 King Ranch SuperCrew
Other Fords owned: 02 F150 SuperCrew 4x4, 11 F150 EcoBoost, 07 Ranger, 01 F150 XLT, 98 F150 XLT, 96 Thunderbird LX, 95 Escort GT, 86 Mustang LX, 82 Mustang

smitty79
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Re: 2002 Taurus Idle

Post by smitty79 » Tue Nov 22, 2016 3:39 pm

You can also try cleaning carbon out of your throttle body/choke plate. 5 minute job. Use gloves, shop rag (lint free), carb/choke cleaner.
:D :D
Current:
- 2013 Taurus SEL loaded (3.5L flexfuel)
Past:
- 2012 Taurus SEL loaded (3.5L)
- 2006 Fusion manual (2.3L)
- 2001 F150 manual 4x4 (4.2L)
-1994 Ranger manual 4x4 (4.0L)

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