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#1
03-14-2013, 08:18 AM
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99 s320 w140 idle bounce 200 rpm
Yes my car at certain temps has a idle bounce,also effects crusing at 0 t0 55
Did you think throttle body wires,or something to due with ildle,thinking of cleaning the butterfly valve in resonance valve
__________________
1999 w140, quit voting to old, and to old to fight, a god damned veteran 
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#2
03-14-2013, 10:49 AM
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after looking everywhere I'll try a new Maf sensor,if that don't fix it,I will rewire throttle body
__________________
1999 w140, quit voting to old, and to old to fight, a god damned veteran
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#3
03-15-2013, 09:18 AM
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Have you tried cleaning both the MAF & the throttle actuator?
__________________
MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator
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#4
03-15-2013, 10:29 AM
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I keep Maf clean but it might be old,no rough idle though. I'd like to clean actuator just don't know where it is
__________________
1999 w140, quit voting to old, and to old to fight, a god damned veteran
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#5
03-27-2013, 11:27 AM
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still don't know where actuator is guys
__________________
1999 w140, quit voting to old, and to old to fight, a god damned veteran
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#6
03-27-2013, 04:21 PM
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The actuator is bolted to the intake manifold.
__________________
MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator
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#7
03-28-2013, 06:59 AM
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thanks doc
__________________
1999 w140, quit voting to old, and to old to fight, a god damned veteran
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#8
03-28-2013, 08:18 AM
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On the 104 it is under the intake, not an easy thing to see. If it loses synchronizationusually they will resynch just by letting them sit a minute or so with the key on. But if it does lose synch it it a really pronounced up and down idle, sort of can imitate it, sound like "rumrumrumrumrum"
__________________
Click here to see a photo album of my '62 Sprite Project Moneypit (Now Sold)
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#9
03-28-2013, 08:27 AM
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Can it be cleaned up? also will check my nozzle added to crossover for the nitrous.
Boy runs like a she devil when activated Killed a 90 model Mustang GT,325i's, S500,Caddies,Linclons,most new cars,hyundas,accord v6's.
__________________
1999 w140, quit voting to old, and to old to fight, a god damned veteran
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#10
03-28-2013, 10:25 AM
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Yes but I would venture to say it needs to be removed to clean it.
__________________
Click here to see a photo album of my '62 Sprite Project Moneypit (Now Sold)
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#11
03-29-2013, 08:25 AM
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would carb cleaner be ok?
__________________
1999 w140, quit voting to old, and to old to fight, a god damned veteran
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#12
03-29-2013, 08:26 AM
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would carb cleaner be ok?
__________________
1999 w140, quit voting to old, and to old to fight, a god damned veteran
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#13
03-29-2013, 06:42 PM
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Ah, sure, that would actually be the ideal stuff to use.
__________________
Click here to see a photo album of my '62 Sprite Project Moneypit (Now Sold)
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