why won't my car start when the engine is hot

Posted August 11 2011. But the possibility of these four reasons is high.

My Car Is Hard To Start When Warm Axleaddict

Weak Battery One of the top reasons for having a car that wont start typically points back to the battery.

. Most of the reasons by which a hot engine would be hard to start are based on problems related to the fuel. Let the engine run for about 20 minutes with the hood closed. Lastly when this is happening can you cycle the key 3-4 times without cranking the engine leaving it.

I had exact same problem Rover 216 with Honda engine and it was a dry solder joint on the fuel pump relay. If the engine cranks slowly you may be dealing with a discharged battery loose or corroded battery terminals or starting system wires Starting System Problems with the starter motor or. Plus the cold weather can.

There could be numerous reasons for a car not starting at low temperature. Probably the air temperature is too cold and the glow plug circuit has failed or the glow plugs are not functional. When you turn the key and cannot access all of these positions it is likely.

Key wont turn There are four positions of the ignition switch. When the fuel is being boiled in the fuel line it can cause vaporization. Recently my 1995 Toyota Camry US 5S-FE 4-cylinder 22 liter 16-valve engine always can start when cold.

Vapor lock can be one of the reasons why your car overheated and now wont start. On V8 engines install fuel gauge between front and rear TBI units steel fuel line. 1 lock 2 accessory 3 on and 4 start.

The fact you got the engine to start after replacing the fuel filter leads me to believe the fuel pump could be faulty. Meaning once it is hot it will long crank every time until it is cooled down. The most common reasons why a car is hard to start when warm are due to a defective crankshaft or camshaft position sensor.

A fuel pressure test is recommended. I simply wait a little while never more than 5 minutes usually only 1 or 2. Also the fuel line may be gelled from incorrect biodiesel or oil added to the fuel.

Car wont start when cold but starts when warm. It sounds like the ignition coils are getting hot and when the engine is shut off the engine will not restart due to an ignition coil that will not produce a spark. It can cause an.

Usually a fault with the camshaft position sensor will cause your engine to not start at all. When hot the cracked joint opened up and. Relieve fuel system pressure.

Occasionally wont start when the engine is WARM you have to wait 5-20 minutes to get it to start it cranks and all that its almost like no fuel is going into the engine to. It should be 9 to 13 psi. Start engine and observe fuel pressure.

Your car is overheated and wont turn on is because of a blown head gasket warped cylinder bad piston valves damaged thermostat corroded battery faulty sensors and seized engine. It could also be caused by a clogged air. Occasionally it simply wont start when its hot out or if the engine is warmer than usual because of driving uphill etc.

Remove the wire from the throttle linkage and turn the engine off. Replacing the fuel pump is. Let the engine sit for five to ten minutes then try to.

After it runs to normal operating temperature park and turn off. But in some cases the engine control unit may work with faint signals sent by the sensor. If you are driving in hot weather and you have just turned off the.

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