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5.7 L will start cold,does not want to start hot

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Do you not have enough fuel pressure when the engine is hot, or is the spark weak ?

Posted on May 08, 2013

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Kia carens 2008 crdi not starting when hot, turning over easy, new battery fitted, any ideas greatly appreciated, starts fine when cold.


run the fault codes
not starting hot indicates an electronic component problem when hot
could be faulty cam/ crank position sensors, immobilizer or ECM

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How do i fix rav4 2002 refuse to start when hot but very ok when engine is cold


keep it from getting HOT Which might mean water pump , thermostat, fans not working properly , and the list goes on .

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Car starts when cold not when hot


If it cranks normally when hot, could be that an injector is leaking enough to slightly flood engine and this is okay when cold. Could also be cold start injector is not completely shutting off when hot.

Dec 18, 2014 | Cars & Trucks

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Engine cold can not start


runs hot,ok, restarts hot ok
just dont start , cold, but it must because how do you get to 2hours?
from hot?
my guess, is it sometimes does start cold.
ever tune it up at the critical 60k mile service, ever, this decade?
that covers 99% bad cold starts. so , we do that first.
diagnosis is like 10x a tune up, so........ $$$$$

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Auto theft device on and car will not start Infiniti G35


HEATER NOT BLOWING COLD,NO HOT AIR FROM HEATER,A/C BLOWS HOT AIR,A/C NOT BLOWING COLD, COLD AIR FROM HEATER,BLEND DOOR ACUTATOR CLOSED,HVAC UNIT NOT OPERATING,
http://alltypesofpartsreplacing.blogspot.com/2012/12/heater-not-blowing-coldno-hot-air-from.html

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TOYOTA 2.7 COLD START PROBLEMS


I just replaced the cyl. Head gaskets in my 97 toyota 4 runner 4cyl. And i having problems to start the engine when is cold, when is hot start like new

Jun 07, 2012 | 2007 Toyota Hilux 2.7

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I HAVE 91 22RE PICKUP,STARTS GOOD COLD,HAVE TO HOLD THROTTLE OPEN TO START WHEN HOT,CANUNPLUG COLD START INJECTOR&IT STARTS FINE HOT


This sounds like you may have conflicting information being sent to the computer. Change your coolant temp sensor. If this is reading improperly, the vehicle will contniue to trigger the cold start circuit and cause the truck to run rich while hot, resulting in poor economy. Any of this sound familiar? Let me know if you need anything further. Glad to help!

Mar 19, 2010 | 1991 Toyota Pickup

1 Answer

Help


try this... take off your ignition coil and test the resistance of the coil.. both cold and hot.. if your test goes to infinite all zeros.. you have what's commmonly called a hot coil... when it heats up it doesn't make contact internally right and doesn't allow power to flow.. no spark from coil.. no vrroom vrroom

Sep 17, 2008 | 1999 Daewoo Lanos

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