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Old 03-20-2001, 11:19 PM
Big Bowser
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Greetings, I have an 85 190E 2.3, I got the car about 1 year ago when I first got it the PO told me that he had to warm up the car for about 2 minutes before it would run right. Sure enough if you did not let the car run at an idle for a minute or two you were not able to accelerate. It would "backfire" through the throttle body and die. It would start right up and idle fine, you could just not bring it above an idle without it stalling (till it warmed up a little) then it would run fine. I checked the fuse on the overload protection relay and it was blown, I replaced it and it solved the problem. A couple of months later it started to do the same thing. I checked the fuse and it was good, I tried replacing the overload relay and it fixed the problem. (I thought) It was fine for about 3 months now it is doing it again, the fuse was good so I tried another relay, it is still doing the same thing. Once it is slightly warm it will run fine, I also tried replacing the coolant temp. sensor on the head to no avail. Help! (sorry for the long post). Frustrated in California, Phill
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Old 03-23-2001, 07:55 PM
Big Bowser
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It turned out to be a broken wire from the coolant temperature sensor in the head to the "KE Computor", thanks for at least reading about my trouble....... phill
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Old 03-23-2001, 08:35 PM
David C Klasse's Avatar
CheFrac is Back!
Join Date: Jan 2001
Location: Mission Hills in the City of San Diego
Posts: 2,352
I am glad you fixed your problem! Congratulations. How did you diagnose it>
2006 E350 w/ 155k miles (Daily Driver)

1993 300E 3.2L Sedan w/ close to about 300k miles
2003 E500 Brilliant Silver (Had 217k miles when totalled!)
1989 300E with 289,000 miles (had for <1 yr while in HI)
03 CLK 500 cabrio (Mom's)
2006 C230k (Dad's)
1999 S420 (Mom's/Dad's)
2000 C230k Sport sedans
2001 CLK320 Cabrio (Mom's)
1995 C280 My First Mercedes-Benz... (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!)
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Old 03-23-2001, 08:44 PM
Big Bowser
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Don't think bad of me, but I had to take it to the dealer, I tried everything I could think of first, I finaly broke down and took it to Mecedes Benz of Laguna Niguel (formaly Mission Viejo Imports)
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