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Kfx400 hard to start when cold .starts fine when warm

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6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: 1999 jeep cherokee starts hard

have fuel pressure checked ...fuel pump maybe losing prime

Posted on Sep 28, 2008

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SOURCE: F250 Ford 7.3 L Powerstroke Hard to Start Cold

I have a 2000 F250 with Powerstroke and my buddy has a 02 with same engine. Both of us have had the same problem. There are two coils (look like starter coils) on top of the engine that can be seen from the passenger side of the truck. The shorter of the two, has to do with supplying voltage to the glow plugs. When this coil gets older, it breaks down causing a higher resistance in the circuit. Which reduces the volts that the glow plugs see. In turn resembles a problem with the plugs. My buddy and I changed the coils and both trucks start like new. The part cost $80-$90. and can be changed in less than 5 minutes. Glow plugs are a lot bigger job and more expensive.

Posted on Dec 02, 2008

  • 2 Answers

SOURCE: 92 Honda Accord hard start when cold

also check the fitvalve... may need opening and cleaning the spring mechanism

Posted on Apr 01, 2009

  • 176 Answers

SOURCE: F250 hard to start once warmed up.

You may have a CTS (Coolant Temperature Sensor) problem. If the coolant level is low the CTS could be sending a false signal to the ECM or the CTS may be faulty. The CTS must be in coolant to provide an accurate signal to the ECM and if the coolant level is low then the ECM thinks the engine is cold and therefore provides a rich air/fuel mixture. This, in turn could be the cause hard start (evident by black smoke from the exhaust), and could be the reason the vehicle failed the emission test.

Posted on Jun 29, 2009

mecanica03
  • 911 Answers

SOURCE: 100 series landy diesel. starts fine cold but not when it is warm

check ignition timing , maybe is advance

Posted on Jul 08, 2009

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1 Answer

2002 Ford Mustang GT, CAR STARTS UP FINE WHEN COLD. Hard to start when warm No Check Engine lights come on.


Think about how the vehicle is acting. Starts fine when cold, hard to start when warm. In these computer operated systems, the computer runs everything. Starts fine when cold: the computer has the engine in cold start mode putting more fuel in till it warms up. Temperature sending unit in the manifold sends a message to the computer telling it to stop the cold start mode and it stops dumping excess fuel into the cylinders and it runs fine. IF, mind you, IF the temperature sending unit is faulty, it's not telling the computer to stop the cold start mode and is flooding the engine with fuel cause it's sill in cold start mode. This is my take away on your situation and the temp sending unit is something to check to be sure it's functional. Check it out. I hope this WAS the answer to your problem my friend. It's typical. Luck to'ya Bro.

Jun 06, 2017 | Ford Cars & Trucks

1 Answer

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

2000 ford excursion starts up fine after about an hour when the engine warm up and turn it off it will not restart but it seems after it cools it starts fine and go through the same process


The temperature sending unit tells the computer that the engine is cold when first started. After engine is warmed up, if the computer things engine is still now warm, it's still in cold start mode and dumping too much fuel into the engine and flooding it making it hard t start or no start at all. I'd have the temperature sending unit in the engine replaced to see if it's cured. It's separate from the gauge or light and they would show warmed up, but the computer is not getting the message.

Oct 13, 2014 | 2000 Ford Excursion

2 Answers

97 m3 bmw starts fine cold after warming up hard to start


it could be the starter, they can be affected by heat from being near exhaust components, or it could be the starter solenoid... also bad ignition timing could cause that

May 06, 2014 | 1997 BMW M3

1 Answer

Won't start when engine is cold,


Have someone check your fuel pressure regulator, hard cold start can sometimes be caused by that.

Jan 17, 2014 | GMC Cars & Trucks

1 Answer

HARD TO START AFTER IT WARMS UP


sounds like a bad coolant temp sensor

Apr 01, 2013 | 2005 Chevrolet TrailBlazer

1 Answer

Hard starting, turns over fine it just cranks alot before it fires up.


Does it hard start when warm or only when cold? could very possibly be a fuel pressure problem, like fuel pressure regulator. Also could be cold start injector.
Thanks,
Lee

Mar 08, 2011 | 1990 Ford F250

1 Answer

When the car is warm after a while it is hard to start, takes a few cranks. when it starts it smells like fuel. on cold start it is fine.


Kinda sounds like the ECM or "start mixture" control module is faulty or is getting a bad input from a sensor. For example, it man not be getting a proper temperature sense from the exhaust manifold or the intake manifold water temp sensor. So, every start seems like a cold start....

If your cold start is on a "cold" engine - fine. If your cold start is on a "warm" engine - problem. Mixture is too rich for a warm engine.

Again, could be sensor sending a bad temp signal... or the control module not responding to the signal.

A bit too complicated a problem to exactly troubleshoot via long distance... but you now have a starting point.... -Jim

Oct 23, 2009 | Chevrolet Suburban 2500 Cars & Trucks

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