Question about Ford Cars & Trucks
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Posted on Jan 02, 2017
SOURCE: petrol 2litre starts ok but
I'm not familiar with the Renault specifically, but most vehicles have a method of dealing with carburetor icing. When the weather is cool and damp and the air is sucked into either a carburetor or throttle body, the air pressure changes.
Inside the intake manifold there is a significant vacuum condition. That sudden drop in air pressure causes the air temperature to drop significantly and can cause humidity in the air to condense on any available surface. While the rest of the engine is quite hot, the air intake can be quite cold.
After running for a period of time, an ice ball can develop on the inside of the air intake; when that occurs, the engine will be incapable of proper operation and can stop running, at which point the heat from the engine will diffuse, warming the intake and melting the ice.
To solve that problem, most vehicle manufacturers use a carburetor de-icing system that basically consists of a tube that runs from around the exhaust manifold up to the air intake. By the time any ice can start to build up on the inside of the air intake, the outside of the exhaust manifold has become quite warm, and any air that passes the exhaust manifold is heated enough to prevent the icing problem.
So the short answer is, make certain that the tube is in place, provided that Renault's used that system.
Posted on Feb 06, 2011
SOURCE: My BMW 520i starts up
If the engine cranks but fails to fire, the car may be flooding due to a failed temperature sensor. There are several, but the most likely problem would be the water temperature sensor.
If the engine fails to crank when hot, the starter motor is failing and will need to be replaced.
Posted on Jun 23, 2011
Your problem is the Crankshaft sensor Ford had some problems with these it is located on the front of the motor by the Harmonic balancer
Posted on Nov 21, 2011
my car has the same exact problem!! i have 2 pop the clutch 2 get it started when it is hot. Mine starts great when its cold or hasn't ran 4 awhile but when we are driving around for more than about 20 min in it when we stop it doesn't start at all. it wont even turn over. so i have 2 have my husband push it while i pop the clutch & then it starts & runs fine till the next time we turn it off. its not a battery problem as we'v replaced the battery, & the starter & the alternater are fine as we'v had them tested. hopefully someone that knows & has fixed this problem can answer this mystery problem!! hopefully some1 can :D
Posted on Jul 23, 2012
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