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  #1  
Old 11-22-2009, 01:19 PM
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Join Date: Jan 2005
Posts: 242
1988 2.3L 8V 190e still stalling!

I had posted about this problem before and many parts were replaced since including a head gasket replacement with a complete head overhaul.
Here is a summary of my issue:
The car stalls at idle regardless of temperature.
Sometimes it doesn't start the first time.
Sometimes it will start for a few seconds then it will stall.
When running the car never stalls but I do feel once in a while like something is going wrong and the car has a small power hiccup.
The car will stall randomly at stop while in gear. Typically without warning but sometimes I can see the SRS light come on and the car idling like a tractor.

Here are some of the major parts replaces:
OVP, ICV, EHA, EZL, Fuel Pressure Regulator, Fuel Distributor, Fuel Pump Relay, Fuel Pump, Fuel Filter, Fuel Accumulator, PVC, Vacuum hoses to the ICV, Rubber boot for the Air Meter, Air Meter Potentiometer, Temperature Sensor, Fan Clutch Sensor, Temperature Sender, Thermostat, Gas Cap, Speed Sensor, Crank Sensor, Intake Gasket, Spark Plugs, Ignition Wires, Ignition Coil, Cap and Rotor. Swapped several ECUs.
Head Work:
Machined and honed the head, and valve seating. New intake and exhaust valves, new stem guides, new hydraulic tappets, new camshaft, new chain, new chain guides, new chain tensioner. New water pump, new serpentine belt.
Exhaust work:
New from head to toe except the header. (new cat, new resonator, new muffler and O2 sensor)

What else I need to do to get this car to stop stalling?

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  #2  
Old 11-22-2009, 01:39 PM
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Just to add a few tidbits:
Fuel pressure measured at lower chamber: 5.3 to 5.2 Bar
Voltage at X11 pins2 & 3: 7.5V DC Signal at 50% duty cycle at idle
Current at EHA: Within norms as shown in the MB tech manual.
O2 voltage fluctuate when war: nominal!
Set the Air Flow potentiometer at around 0.7V when installed and at idle.

Idle reading:
normally at 800 then drops to 600 or a little less when R or D engaged.
Vacuum reading:
At the intake with a MytiVac = 16
The instrument panel's vacuum reading for the fuel economy goes to 1/4 when I engage into gear.
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  #3  
Old 11-23-2009, 04:49 PM
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Posts: 242
Is this problem too intimidating? Any takers?
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  #4  
Old 11-27-2009, 03:52 PM
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Posts: 242
I guess not!
I will try something else
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  #5  
Old 03-04-2010, 07:35 PM
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Nevermind, it's fixed!
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  #6  
Old 03-04-2010, 07:39 PM
slk230red's Avatar
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Join Date: Jul 2006
Location: Tampa, FL
Posts: 819
Quote:
Originally Posted by professor View Post
Nevermind, it's fixed!
No Drew, I'm not stalking you...I just thought I would check this forum since I haven't been here in a while and I noticed your post.
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1993 190E 2.3
2001 SLK230
1971 LS5 (454) Corvette Convertible
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  #7  
Old 03-04-2010, 07:49 PM
d.delano's Avatar
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Join Date: May 2004
Location: DC
Posts: 1,466
Quote:
Originally Posted by professor View Post
Nevermind, it's fixed!
was the solution to set the car on fire?
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'02 BMW 325i
'85 300D 450k
'93 190E 2.6 170k(killed by tree)
'08 Ducati Hypermotard 1100S 6k
'06 Ducati S2R800 14k(sold)
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  #8  
Old 03-04-2010, 10:11 PM
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Quote:
Originally Posted by d.delano View Post
was the solution to set the car on fire?
That is the funniest thing I heard all day, now I go to sleep. Goodnight everyone!

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