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  #1  
Old 07-30-2008, 11:24 PM
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Sluggish M119

1994 E420 with 171,000 Miles.

Symptoms

The transmission isn't kicking down at WTO nor does WTO affect acceleration.

The Engine seems to be producing remarkably little power.

Check Engine light kicked in. Code 19.
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  #2  
Old 07-31-2008, 09:05 AM
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With that mileage....I would start with basics.

Has the engine compression been checked? Does the car have ASR?
Has the timing chain been replaced OR checked for stretch?
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  #3  
Old 07-31-2008, 07:01 PM
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Just wondering, can you check a 119 timing chain for stretch without removing it. I'm not sure how much stretch is acceptable.
Attached Thumbnails
Sluggish M119-hpim0919.jpg   Sluggish M119-hpim0920.jpg  
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1993 400E, 256,000 miles (totaled)
1994 E420, 200,000+ miles
1995 E420, 201,000 miles
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  #4  
Old 07-31-2008, 10:11 PM
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If the engine feels low on power you could have a blocked cat. My car ran like a dog but threw no code. Once I replaced the right side cats, it ran like a scalded cat.
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  #5  
Old 07-31-2008, 10:44 PM
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Quote:
Originally Posted by alabbasi View Post
If the engine feels low on power you could have a blocked cat. My car ran like a dog but threw no code. Once I replaced the right side cats, it ran like a scalded cat.
I like the cats and dogs analogy.
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  #6  
Old 08-01-2008, 01:42 AM
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Quote:
Originally Posted by M.B.DOC View Post
With that mileage....I would start with basics.

Has the engine compression been checked? Does the car have ASR?
Has the timing chain been replaced OR checked for stretch?
Roger... I'll start with a compression test.

It has ASR but I haven't encountered an issues with it yet. No unexplainable episodes in limp home mode.

Timing Chain hasn't been touched.

Quote:
Originally Posted by alabbasi
If the engine feels low on power you could have a blocked cat.
A blocked cat would surprise me. I drive like a child so they're getting plenty of use
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  #7  
Old 08-01-2008, 09:47 AM
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Easy to check for t/c stretch. Set the motor at 45 deg BTDC at that point you should be able to put a pin OR bolt into each of the cam bearings.

Possibly a tooth off on 1 camshaft.
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1986 190E 2.3 16V 2.5 (sold)
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  #8  
Old 08-01-2008, 12:20 PM
mrhills0146
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Could be as simple as broken throttle cable - check that too - $30 fix...
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  #9  
Old 08-02-2008, 08:50 AM
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Thanks, MB Doc. The next time I have the valve covers off, I'll try the pins.

EliotW, I think the code 19 is a common problem on 119 engines and it may not be what's causing your lack of power. I had a code 19 and my engine was running fine. Jim Forgione explains all about it on his web site.
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1993 400E, 256,000 miles (totaled)
1994 E420, 200,000+ miles
1995 E420, 201,000 miles
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