Question about 1991 Mercedes-Benz 190

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Hard to start when cold. cannot touch the gas pedal. it will eventually start. when it warms up a little it runs fine.

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Hi your car is 18 years old has the ht leads ever been changed this is worth having a look at the leads crack after a while and let in the damp also when they are dry spray with damp start hope this helps

Posted on Nov 16, 2009

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Cool mornings it doesn't want to start ,i have to turn the key to start and let it off several times and it will eventually start after that it starts fine all day and starts fine on warm days


How to Start a Car in Freezing Cold Winter Weather

www.wikihow.com > ... > Cars > Car Maintenance and Repair

wikiHowFreezing cold weather can take a toll on car batteries. ... It's much more difficult to start a cold car with a mostly-empty tank, so do yourself a favor and gas up ...

Why is it so hard to start a car in the winter? - HowStuffWorks

auto.howstuffworks.com/car-driving-safety/.../start-car-in-winter.htm
To start a car in winter, your engine has to work extra hard. Learn the top 3 reasons your car is hard to start in cold winter weather.

Debunking 5 Cold-Weather Car Myths - Popular Mechanics


Nov 21, 2015 | Cars & Trucks

1 Answer

Gas not staying in carb, when cold very hard to start


it sounds like the choke isn't closing on the carburetor when the engine is cold ( more gas, less air). normally step on gas pedal once to close choke before starting. need to find someone familiar with carburetors to help as it can be technical setting it up

Mar 20, 2014 | 1984 Dodge Ram 50

1 Answer

My 1969 GTO takes forever to start in cold weather, once it catches and warms up it runs fine


Assuming the engine is in good shape and not in need of a major tune-up, check your carburetor choke. It's not closing when cold. Clean and adjust.

Get a service manual and follow the instructions. Far too complicated to cover here.

Also, make sure you know how to properly SET the choke on a cold start. Slowly push the gas pedal to the floor and let up. Start engine without touching gas. If it's REALLY cold, like 0 degrees, you can hold the pedal halfway down while starting, after setting the choke.

Feb 06, 2014 | Pontiac GTO Cars & Trucks

1 Answer

Jeep liberty 2002 3.7when starting cold starts-stalls unitl hot


Check the temperature sensor feeding the ECU and O2 sensor.

Apr 12, 2010 | 2002 Jeep Liberty

1 Answer

Difficulty starting when warm, OK when cold


Have you checked the fuel pressure regulator for leaks into the intake

Mar 29, 2010 | 1990 Ford Probe

1 Answer

I have a 2000 honda civic hard staring


new auto choke thermostat sensor switch needed

Jan 02, 2010 | 2000 Honda Civic

2 Answers

4 cyl Engine starts and idles ok...give it throttle and it dies


I need to get a clear mental picture of what exactly is happening.

With this said, you stated that the car "runs fine" until warmed up.

Q: When you start the car when cold it idles fine?
Q: If you allow the car to idle until "fully" warmed does the car stall?
Q: As the car begins to warm up, Does the RPM fluctuate abnormally?
Q: Does the car Only stall when you press on the gas pedal or does it stall just sitting and idling in addition to pressing the gas pedal?
Q: If you can drive it while cold does the car stall during acceleration when warm or only at Stop Signs / Lights?
Q: If you wait 20min or so, can you start the car again?
Q: How many miles are on the car?

Mar 27, 2009 | 1995 Toyota Camry

2 Answers

Fuel pump not running only in cold weather


Pumping the pedal on an injected engine does nothing, except varying the air intake amount. I would change the fuel filter (if badly plugged, it may be causing the pump to shut off early) and clean the idle air control valve.(which should regulate idle air flow, eliminating the need for playing with the pedal) The valve itself is not difficult to service, but is a bit delicate. It can be cleaned with carb cleaner. just make sure you do not turn the valve end around while cleaning, and re-install it perfectly straight. You may have a bad drain back valve in the pump, but this is less common than what I outlined above.(there are tests for this)

Jan 12, 2009 | 1995 Jeep Grand Cherokee

1 Answer

It won't start when it is cold but starts fine when warm. Will start eventually if you pump the heck out of it and crank it and repeat quite a few times.


How old is the battery?
I'm guessing you've changed the oil regulaly In winter do you use 10w30 or 5w30 oil? You should use 5w30 oil. Di you try just holding the gas pedal to the floor and NOT pumping it?

Jul 28, 2008 | Jeep Wrangler Cars & Trucks

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