car hard to start after sitting for 30 minutes

I didnt notice the issue again until. If so it could have a vacuum leak.

6 Things That Can Go Wrong If Your Car Sits Unused

Check All Exterior Lights.

. Looking like a cylindrical coil of wire basically solenoid is a component to bridge the connection and allowing power to flow from the battery to the starter. After you drive it and shut it off for 10 min. Im certain the problem is due to fuel not spark or air.

However if I drive it around 30 mins stop the engine and then try to start it again it almost doesnt start at all. After getting it started it runs great. When you shut off a warmed up engine fuel pressure needs to remain in the fuel lines otherwise you will get vapor-lock this is when the liquid fuel turns into a gas in the fuel line and a fuel pump can only pump liquid not gas so the engine will not start until the fuel cools.

Hard starting when warm after sitting for 10 minutes. These control the fuel mix and if its off it make a hard start. Look for puddles of fuel under the car or the smell of fuel when starting.

Corroded or loose battery terminal or cable. Auto Repair the Way It Should Be. To find out hold the gas pedal to the floor up to 10 seconds while you crank the engine.

Bret Bodas on January 12 2010. I put a rebuilt 302 into my 65. Up to 8 cash back There are many causes of hard starting but illustrative ones are a faulty engine coolant temperature switch sensor malfunctioning idle air control IAC valve vacuum and EGR leaks inadequate fuel delivery or pressure clogged fuel filter injectors and contaminated or old gasoline.

Any Vehicle Any Place Any Time. Let up on the gas as if the engine starts. Posted June 6 2012.

Runs great and has plenty of power. After shutting it off it starts normal. Watch pressure to see how fast it drops off after key off.

New Edelbrock carb with electric choke. If your car is hard to start when warm you can trace the issue to one or more several potential faulty components for example. Example drive 30 minutes stop for lunch go back out to start and will turn over 10-15 times before starting.

If there is not any. Ethanol can accelerate the deterioration of the check valves in the pump. When the car does start is the idle even or does it fluctuate up and down.

After turning it off it will restart instantly. This may be from a fuel pressure issue. Ad Certified Mechanics Will Come to Your Office or Home.

The starter and the alternator may be at fault if the problem is not your battery. There are lot of things that will cause this sort of problem. It cranked a lot more than usual and limped its way to starting.

Check the fuel supply that is the flow and the pressure in the fuel rail to and from the throttle. The thing you are looking for is indicated by the initial hard start but when started runs ok good fuel to the engine eventually and then by the fact that if the. If the starter is bad you will hear a clicking sound when you try to start the engine.

Or longer the engine cranks for about 7 seconds before it starts. Mario GutiérrezGetty Images 5. If it cranks but does not start sometimes a temperature sensor is bad and the computer cant figure out the proper amount of fuel to inject.

There could also be a fuel line leak. The easiest way to do this is to grab a friend or family member so one person can activate the. I had originally ordered the fuel pressure regulator located under the intake manifold because the fuel pressure gauge needle was still rapidly.

If the alternator is bad you may be able to smell burning rubber. Were starting here because fuel delivery is among the most common reasons for a car not to start especially after its sat for a while. Now this is by no means a hard rule but carburetors really havent been common in new vehicles since the 1980s.

7 Days a Week. But after sitting for over a week it cranks quite awhile before starting. Only show this user.

A few weeks later after a 30 minute drive 2 hours leaving the car off I went to start the car. They called me three days later and said the truck ran fine for two days but that morning had done the same thing on the route cranking but not starting after 30-60 minutes at a customer location. So if your vehicle is less than about 35 years old you most likely have a fuel injected engine.

It could be the check valve in the system which would necessitate the fuel pump replacement. Examine the low voltage supply 12 V to the ignition and the high volts at the coils and the distributor insides for crap and the electronic control. Pleasedodgevan2 August 7 2009 500am 10.

Engine control system problems. Last week the same issue happened again multiple times with longer cranking times. In the morning it starts normal.

If you go to start it with in the 10 min. Hard to start after sitting 30-60 minutes after engine is up to normal operating tempeture. Thats because modern fuel injection systems operate under high pressure that must be maintained.

Pull the vacuum line off the FPR and check for presence of fuel. If I start it in the morning -- no one has used it for about 12 hours -- the car starts perfectly with a smooth key turn. Normally it springs to life like any car.

It could be map or maf sensors or o2. The car will start when. If its there replace the FPR.

You wont hear any clicks or whining but listen for a growling sound instead. Couple this with a weak fuel pump and you get hard starting problems after sitting. Before starting your car after it has sat idle for a long time be sure to check your engine oil level.

The car will not start when you try to jump-start the engine. The most common reason for a car not to start after it has been sitting for a period is that the fuel pump isnt doing its job. I have a 2002 f150 with a 42 v6 engine.

Hard starting makes getting around difficult. Vapor lock in the fuel system. Check that your headlights fog lights high-beam lights brake lights reverse lights and indicators are all working before you head out on the road.

As others have noted the real problem is that fuel evaporates when the car is not driven regularly. Corroded or loose engine ground connection. Indicates fuel leak back and fuel pressure drop.

I have to push the accelerator pedal right after turning the key to get it started. Check filter installation for seal not sitting properly loose fuel line fitting pump installed correctly flow wise filter installed correctly flow wise air getting in to fuel lines. When cold starts in 12 turn.

That is why your car struggles to start if solenoid is broken or worn out.

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