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Marty, I have a 1984 380SL...Like so many others I've read
Hi Marty, I have a 1984 380SL...Like so many others I've read about, it starts dine and runs at a pretty high idle about 1700 rpm. once it warms up, It doesn't want to run.It will die then wont restar… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
I've got a 1992 mercedes 190e 2,3. The idle is always high!
Hi, i've got a 1992 mercedes 190e 2,3. The idle is always high! When I'm on Drive the rpm is to high even when my foot is not on the pedal. A garagist said that my FPR is broken due to the absence of … read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
97 XJ6 Bad Missfire problem when warm.Put 6 Lucas Coils in
97 XJ6 Bad Missfire problem when warm. Put 6 Lucas Coils in . Idles perfect. After 1700 RPM just cuts out. No error codes. Guessing crank or fly wheel sensor… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
I just got a 1987 Mercedes 190e 2.6. Its stalls when
Hello, I just got a 1987 Mercedes 190e 2.6. Its stalls when cold and always hesitates at about 3000 rpm's on hard acceleration. Back off the pedal and it evens out. A mechanic stated it was a catalyti… read more
Pete
Pete
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General auto certifications
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560SL: I have a fast idle on 1986 560SL, about 1300 in Park,
I have a fast idle on 1986 560SL, about 1300 in Park, 700 or so in gear - would this be the same instruction given to a 1988 SL owner about 2 years ago - check the 3 wire idle switch? Also I can't get… read more
Matt
Matt
Engineer
Bachelor's Degree
771 satisfied customers
Mercedes-Benz: 1991 mercedes benz 500 sl with 100K has a bof
1991 mercedes benz 500 sl with 100K has a bof in the acceleration - to date changed the injectors 3 years ago - cehced out the fuel injectors and wires o2 sensors before running rich now running lean … read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1987 560 SL and the idle rpm is 1700 rpm..abs light..selenoid..relay
I own a 1987 560 SL and the idle RPM is 1700 Rpm The abs light is also on. Mechanic told me it could be several things and it is not cheap to fix. My Research indicates Idle selenoid Valve {is there a… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
ML320: 000 miles..slow or no response in the throttle..me two codes
Good afternoon. I have an 03 ML320 with approximately 114,000 miles, with slow or no response in the throttle. The computer gave me two codes, P0121 and P0335. I replaced the crank position sensor and… read more
Auto Psychic
Auto Psychic
owner
Bachelor's Degree
76 satisfied customers
Mercedes-Benz 420sel: I have a 1987 420 sel with idle problems
I have a 1987 420 sel with idle problems when car warms up.. starts good cold but when warmed up a bit starts to run rough . when in gear at a stop it runs about 6,000 and really smooth for awhile may… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1986 mercedes benz 190E 2.3: cars..rpm drops and shakes..times cuts
1986 mercedes benz 190E 2.3 running too rich, can smell gas fumes in cars at idle or stop light. and the rpm drops and shakes and at times cuts off.… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1987 190e 2.3L MB. Wont start when it is cold. I can use alot
1987 190e 2.3L MB. Won't start when it is cold. I can use alot of starter fluid to get it going, once it warms up it idels at about 2000 rpms. I have replaced the fuel pump(it had a leak), the fuel pr… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
I have a Mercedes Benz 1987 560 SL and the engine is idling
I have a Mercedes Benz 1987 560 SL and the engine is idling very high about 1500 to 1800 rpm. I replaced the idle speed controller and I am not getting any power at the throttle controller next to the… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
I have a mercedes 190E w/ a 2.3L I4. It has a high idle, and
I have a mercedes 190E w/ a 2.3L I4. It has a high idle, and a cold start issue. The electrohydraulic actuator has been replaced. I tested the airflow position sensor and the throttle valve switch. Th… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1987 560SL: I have not driven it for a month..idle down
My 1987 560SL was working just fine. I have not driven it for a month. Today it will not idle down. It idles at about 1,700 rpm. I removwed the air cleaner, all the linkage looked OK . So I oiled the … read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
Mercedes 190E: car starts , pick up revs..switches
Mercedes 190E 2,0 W201 1993 , car starts , pick up revs and switches off again.Even if I unplug the computer it does the same.What can cause this ?… read more
Stan
Stan
Mercedes Technician
Bachelor's Degree
3,526 satisfied customers
190e-2.3: valve job..overheating..now idles roughly, surging
Just had a valve job and "baked" head due to overheating warp. 190e-2.3/16 now idles roughly, surging 200rpm, and has intolerable driveline shunt. New idle control valve, checked for vacuum leaks, tim… read more
rpmdiag
rpmdiag
High school
9,879 satisfied customers
83 190e 2.3: it quits once it warms up it..rpms..distributor..mercedes
I have a 83 190e 2.3 euro car 4 speed standard car has a very hard time starting in morning have to try 20 times each time it starts runs for 2-5 second very rough and quits eventually it will idle at… read more
M.Hoover
M.Hoover
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Vocational, Technical or Trade Scho
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1990 Mercedes: the motor is warm it starts right up
I have a 1990 Mercedes 300E. When the engine is cold it is very hanrd to start but, when the motor is warm it starts right up. Any ideas??… read more
Matt Kesler
Matt Kesler
Business Owner/Law Student
Doctoral Degree
1,646 satisfied customers
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Meet the Experts:

MB Paul

MB Paul

Mercedes Technician

3,567 satisfied customers

Qualified Mercedes Benz Diagnostic Technician - 20+ years experience - Workshop Foreman for Mercedes

Marty

Marty

Mercedes Technician

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Bosch Certified Master Tech. Over 35 years experience.

Michael Warfield

Michael Warfield

Factory Mercedes-Benz Technician

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Mercedes-Benz Master Certified technician

Matt

Matt

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Mechanical Engineer with 23 years experience in the auto industry, 8 yrs in formula 1 engine testing

promerc

promerc

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Qualified mercedes diagnostic technician & service team manager , ATA registered Master tech

Hipo64

Hipo64

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Work and diagnose electronics on daily basis.

Tim Mohr

Tim Mohr

ASE MASTER TECH

283 satisfied customers

30 YRS EXPERIENCE, FOREIGN AND DOMESTIC, GAS AND DEISEL

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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