E-Class (W210) 1995-2002: E 200, E 220D, E 240, E 290TD, E 300TD, E 200, E 240, E 280, E 320, E 420, E 430 (Wagon, Touring, 4Matic)

1996 E320 running funny

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Old Aug 24, 2010 | 08:36 PM
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1996 E320
1996 E320 running funny

Hello to all, help! My 1996 E320 has 2 intermitent problems. First running down the road lets say at 70mph, every now and then I feel what I would describe as a misfire. Second, occasionally it will idle extremely rough, put her in neutral and try and increase rpms, only causes backfiring. In drive moving down the road she's fine, except for the occasional first problem mentioned above. No messages on the message center.
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Old Aug 24, 2010 | 10:04 PM
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98 Black C43 , 12’ ML 350 Blutec
Sounds like a bad mass air sensor.I would consider changing the fuel filter too , if it hasn't been done lately too.

Last edited by C43AMG; Aug 25, 2010 at 08:13 AM.
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Old Aug 24, 2010 | 10:35 PM
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1996 E320
Fuel filter is what i was thinking, as well, guess I'll start there tomorrow, thanks, I'll post ya what happens
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Old Sep 27, 2010 | 02:39 PM
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1996 E320
running funny

1996 E320, Changed out fuel filter, runs ever so slightly better, changed out mass air flow sensor, much improvement, no more skippy at high speeds. I still have a very occasional stalling issue at idle speeds, more so after the car has warmed up. You can put your foot in it and she will accelerate through it. Any more suggestions
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Old Sep 28, 2010 | 02:39 PM
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98 Black C43 , 12’ ML 350 Blutec
Originally Posted by riverrev
1996 E320, Changed out fuel filter, runs ever so slightly better, changed out mass air flow sensor, much improvement, no more skippy at high speeds. I still have a very occasional stalling issue at idle speeds, more so after the car has warmed up. You can put your foot in it and she will accelerate through it. Any more suggestions
Plugs and CPS-crank position sensor !
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Old Sep 28, 2010 | 04:01 PM
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1996 E320
Thanks, I'll try both those next, post later this week with outcome.
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Old Nov 9, 2010 | 04:27 PM
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2003 Mercedes E320
I am going to just screammmmm! My 2003 E320 keeps stalling on me and I am determined to replace this CPS in this vehicle, however I am having some trouble finding this years schematic.. I can not find the CPS in this vehicle. I have looked at every blog on here, plus pictures. I have the part. Can someone please help me. I have to tell you all I am frustrated, this car is costing me some money.. I have a 2005 BMW 645 and no problems.. Please help me restore my faith in Mercedes.. Kim
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Old Nov 9, 2010 | 05:34 PM
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300E a couple 1994 w124wagon E320 Wagon/,1971MGB Track/Rally, MG Midget Autocross ,2000 E320 wagon.
Same place

as any other m112 engine.
$42

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At the rear of the engine, below the cylinder head on the left (driver's side in US). You need a small mirror to see it from above.
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