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need help with 190e 2.6 cold start

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1990 mercedes benz 300ce 24v
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Discussion Starter · #1 ·
i have been reading on here about cold starts and i changed my ovp relay and still has problem starting like it almost just dont start after i changed it before i changed it it took a few min to start but it started and now i tried for a few min and i never started so plz someone help me out i would really like to drive my new MB
 
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1990 mercedes benz 300ce 24v
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31 Posts
Discussion Starter · #5 ·
well i am getting that temp sensor! so we will c what happeneds but do u think it is a fuel pump if i can put gas in the throttle body and it fires right up? plz help
 
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1990 mercedes benz 300ce 24v
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Discussion Starter · #8 · (Edited)
before i changed the ovp relay, it would just crank over and would not start for like a few min of cranking and after it did start it was fine once it warmed up, it ran like a dream! but its every time it has a cold start that it has the starting problem.now i changed the ovp relay now it wont start at all! but if u put gas in the intake it fires right up and dies after the gas i put in it goes away! this is my first MB!so i am trying to learn about it at the same time fix it so i can drive in a nice car!
 
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#9 ·
dkillin said:
before i changed the ovp relay it would just crank over and would not start for like a few min of cranking and after it did start it was fine once it warmed up it ran like a dream but its every time it has a cold start that it has the starting problem and now i changed the ovp relay now it wont start at all! but if u put gas in the intake it fires right up and dies after the gas i put in it goes away! this is my first MB so i am trying to learn about it at the same time fix it so i can drive in a nice car!
Click to expand...
I am lost, can you put some punctuation in there so I can follow...
 
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#11 ·
1. Was it a new OVP?
2. Do you know how to check the cold start valve?
3. Do you know how to do a fuel pressure test?
4. When was the last time the fuel filter was replaced?
5. When you turn the ignition do you hear the fuel pump?
 
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1990 mercedes benz 300ce 24v
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31 Posts
Discussion Starter · #12 ·
no the ovp relay was used, and no i dont no how to do the fuel pressure test, and i have no clue when the fuel filter was changed last i just got the car a couple months ago and yes when i turn the key i do hear the fuel pump i was messing around with the car today and i noticed when i put the ovp relay in i must of hit the fuel pump relay cuz it was just sitting there so i plugged it in and started up after a couple minites of cranking! but after it warmed up it just died and would not start back up so if someone can help me it would be so very much appreciated
 
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#15 ·
I don't think! I just don't trust used OVP no more. Trust me, I wasted a lot of time relying on a few used OVP thinking that my stalling issue was somewhere else. I mean epic waste my friend; I am trying to spare you the drama.
If the OVP doesn't solve your issue the good new is that you have halved the problem and you're on your way to fix it ;)
 
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