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#1
06-19-2007, 09:06 PM
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1996 E320 W210 Up/Down Idle-No Power
Started with up-n-down idle, sometimes cuts off. Now when you take off really doesn't want to go. It hesitates then goes, and low power. when it warms up it's drives alittle better. Codes are 101 and 170. Would like any input as to what it may be or where should I start?
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#2
06-19-2007, 10:51 PM
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I don't know what the codes mean, but it sounds like either a vacum leak, a bad mass air meter, or a bad throttle actuator.
Try a search on any of these topics.
__________________
Paul S. 2001 E430, Bourdeaux Red, Oyster interior. 79,200 miles. 1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".
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#3
06-20-2007, 01:43 PM
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Am doing this from memory so the exact verbiage will be off but the gist is:
PO101 - Mass or Vol air, out of range PO170 - Fuel Trim Malfunction bank 1 I think I would try cleaning the MAF with a spray cleaner made for that purpose first.
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Terry Allison N. Calif. & Boca Chica, Panama 09' E320 Bluetec 77k (USA) 09' Hyundai Santa Fe Diesel 48k (S.A.)
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#4
06-20-2007, 02:56 PM
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I had similar issues on the BMW. Unplug the O2 sensor and see if you get the power back. Unplugging it puts the computer into "open mode". If that works, replace the O2 sensor. The idle problem was caused by the idle control valve. I don't know if the MB has one, but on the Bimmer, it is a cylindrical object attached to the intake manifold. Take it off and spray carb cleaner in it. Shake it up and pour out the cleaner. You will be amazed at all the black junk in there.
Hope this helps...
__________________
"I have no convictions ... I blow with the wind, and the prevailing wind happens to be from Vichy" Current Monika '74 450 SL BrownHilda '79 280SL FoxyCleopatra '99 Chevy Suburban Scarlett 2014 Jeep Cherokee Krystal 2004 Volvo S60 Gone '74 Jeep CJ5 '97 Jeep ZJ Laredo Rudolf ‘86 300SDL Bruno '81 300SD Fritzi '84 BMW '92 Subaru '96 Impala SS '71 Buick GS conv '67 GTO conv '63 Corvair conv '57 Nomad 
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#5
06-20-2007, 03:53 PM
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The 96 E320 is like my 97 and doesn't have an idle control valve - it is all electronic. Please see my parallel thread, chasing down a similar issue: 1997 E320 M104 flat at low RPMs, backfiring?
I bought a can of MAF cleaner at lunch and am going to give it a try before dropping $300 on a new MAF.
__________________
08 W251 R350 97 W210 E320 91 W124 300E 86 W126 560SEL 85 W126 380SE Silver 85 W126 380SE Cranberry 79 W123 250 78 W123 280E 75 W114 280
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#6
06-20-2007, 04:01 PM
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Most folks believe carb or brake cleaner will fry a good MAF also. Use electrical contact cleaner or other cleaner made specifically for the MAF.
__________________
Terry Allison N. Calif. & Boca Chica, Panama 09' E320 Bluetec 77k (USA) 09' Hyundai Santa Fe Diesel 48k (S.A.)
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#7
06-23-2007, 12:36 PM
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Thanks for all the input, I will pick-up some cleaner and try it and the o2 sensor check. Couldn't make anything worse, cars been great and I recently replaced the air filter. Has over 150k and runs very well. Will try those few tests, if all else fails. I 'm going to have to take it to the dealer once again, tired of those costly visits.
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