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04-23-2012, 04:25 PM
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#1 (permalink) |
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Junior Member
Member Number: 47089
Join Date: Apr 2012
Chapter: Northeast
Drives: 2001 Silver Ford Taurus SE
Visit: My Garage
Posts: 28
Trader Score: 0 reviews
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strange things after disconnecting the battery
I D/C my battery today for about 30 minutes. once I put it back and made sure the connections were tight I have a really rough idle and its really jumpy sometimes, also this high pitched whine which I can only hear when im under the car has deviloped. any ideas? thanks!
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04-24-2012, 02:51 PM
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#2 (permalink) |
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Devoted Member
 Member Number: 181
Join Date: Nov 2002
Location: Boston Mass. area
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Um... if you climb under your car while it's running, we're going to read about you in the papers... unless you have a mechanic's pit or a full car lift.
Meanwhile -- whine -- not the transmission? Or the power steering pump? If your idle is loping up and down, check the IAC, idle air control valve. There used to be big fights here about whether they can be cleaned, but I've always cleaned mine (off the car, with sensor-safe throttle body cleaner) and they work for years after. It's actually a kind of motor that turns a valve back and forth. They get gunked up and the valve bit gets hard to turn. Of course, it's possible that the windings on the motor have given up, leading to replacement.
__________________
1986 MT-4 4-cylinder (R.I.P. circa 1990, rust, clutch) 1994 Station Wagon (R.I.P. circa 9/2005) 1991 Station Wagon (R.I.P. 1/2007, but the Benz that pulled out in front was bent much worse) 1998 SE Station Wagon (R.I.P. 2/28/09 at ~186k) 2004 Taurus SE w/Vulcan & AX4N | dark shadow gray metallic | gray cloth interior | still strong at 188K+ 2000 Taurus SE wagon w/Vulcan & AX4S / tropic green metallic | gray cloth interior | purchased 6/12 at 51k miles |
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04-24-2012, 10:02 PM
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#3 (permalink) |
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Devoted Member
Member Number: 889
Join Date: Apr 2003
Location: Virginia
Chapter: Southeast
Drives: 94 Taurus GL 3.8L PEP204A
99 Ranger 4.0L 4dr 5spd auto Payload & Tow pkg
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After the battery disconnect, did you perform the cold & warm idle relearn proceedure???
If not, disconnect the B- cable again to wipe the KAM & do the cold & warm idle relearn proceedure here http://www.taurusclub.com/forum/1358165-post4.html & let us know how it goes.
__________________
94 Taurus GL 3.8L PEP204A 99 Ranger 4dr 4.0L 5spd Auto Payload & Tow Pkg Details are trifles, but trifles make perfection & perfection is no trifle (Ben Franklin) Our signature is a sign of a job completed, autograph your work with excellence. |
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04-24-2012, 10:59 PM
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#4 (permalink) |
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Junior Member
Member Number: 47089
Join Date: Apr 2012
Chapter: Northeast
Drives: 2001 Silver Ford Taurus SE
Visit: My Garage
Posts: 28
Trader Score: 0 reviews
Rep Power: 0 |
I'll try the re learn tomorrow! I disconnected it in the first place because I was told if i reset the computer it'd help with my spark knock.
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04-25-2012, 12:03 PM
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#5 (permalink) |
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Crazy Devoted Member
Member Number: 10865
Join Date: Dec 2006
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Posts: 8,861
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It'll relearn on its own. Just takes time (a few drive cycles).
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