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#1
10-30-2002, 09:34 AM
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SL 500 hesitation
I have a 1992 SL500 that sometimes hesitates on normal takeoff..it does not do it all the time but it is very annoying when it happens..you press the gas then it hesitates and goes..and occasionally..it suges while idling
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#2
10-31-2002, 01:55 PM
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hesitation
throttle body and sensor might be needing some cleaning, make sure that you are only using premium unleaded, add a can of chevron techron injection cleaner, fuel filter change, air filter change.
I had a similar problem once in my 560 SL, it "coughs" once in a while. Semi-rough idling, so I did all of the above and it apparently fixed the problem. What I would have done differently though is do it one at a time and see which one would actually fix the symptom, so it can be a learning experience for you as well. Good luck Regards
__________________
a2 1978 280 CE silver 1986 560 SL black 1987 300 SDL cream 1994 SL 500 brilliant green 1997 E 300d dessert silver 2005 FORD F250 Superduty Crew cab 4x4  ____ADMU____
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#3
10-31-2002, 02:59 PM
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Filter is a K&N so im good there..i will check the fuel filter...Thanks!
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#4
11-01-2002, 12:37 AM
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While you are down there check your fuel accumulator. Remove small hose on accumulator, there shouldn't be any fuel coming out with the engine running.
Hesitation can also be casued by distributor caps, rotors, wires. When was the last tune up? Vin
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#5
11-01-2002, 06:23 AM
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I have the same problem with my 1991 500SL, any good advice on how to fix or avoid it?
Thanks Becky
__________________
2001 C320 Sport 17" AMG Potenza S03 1991 500SL 18" AMG Contysport 1993 190E 2.6 17" AMG Contysport 2002 G500
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#6
11-01-2002, 03:40 PM
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hesitation and surging
it's either the gas can't get in due to fuel FILTER AND/OR DIRTY FUEL INJECTORS, DROP IN FUEL PRESSURE, CLOGGED AIR CLEANER , OR just needs a tune up.
I would put a can of chevron techron in a full tank of super dupper premium gas and see if there's a difference. If there is, then it's the fuel system . the surging issue on the other hand might be a vaccum leak issue. A good MBZ shop should be able to diagnose this correctly. Good luck
__________________
a2 1978 280 CE silver 1986 560 SL black 1987 300 SDL cream 1994 SL 500 brilliant green 1997 E 300d dessert silver 2005 FORD F250 Superduty Crew cab 4x4 ____ADMU____
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#7
11-03-2002, 10:38 AM
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now that the cooler temps are here...some of the hesitation has gone away..any thoughts
Ralph
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#8
11-03-2002, 12:30 PM
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cooler weather
wow, now that's interesting. I'm now exploring something that is actually a mystery to me, BUT..... Using the ol' common sense, we can venture into a few possibilities. 1)Warm weather= warmer engine. Timing changes. 2) Warm weather= gasoline vapors in the line. pressure settings change. Mind you , these are wild a** guesses. What do you think?
 I hope someone gives us a better response than mine.- I'd like to learn something myself. ciao
__________________
a2 1978 280 CE silver 1986 560 SL black 1987 300 SDL cream 1994 SL 500 brilliant green 1997 E 300d dessert silver 2005 FORD F250 Superduty Crew cab 4x4 ____ADMU____
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