car hard to start after sitting

The easiest way to do this is to grab a friend or family member so one person can activate the. Check All Exterior Lights.

8 How To Fix A Car That Wont Start I Bought It For 500 Youtube Car Repair Service Car Buying Car Mechanic

If the engine starts you got a fuel pump with a bad anti drain-back valve.

. If- the only time it is hard to start is after it has sat and cooled off there are two things that come to mind. Could be a dirty fuel filter or bad check valve allowing fuel to leak back into the tank. Now this is by no means a hard rule but carburetors really havent been common in new vehicles since the 1980s.

But if your vehicle has a hard time starting after sitting for just a few hours it can cause an extra layer of confusion. It starts fine in the morning and after a few minutes of sitting but after a few hours 3-4 it cranks but doesnt want to engage. Ethanol can accelerate the deterioration of the check valves in the pump.

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. You need to if the injector timing is correct. You can check this by using a scan tool.

As others have noted the real problem is that fuel evaporates when the car is not driven regularly. It also explains why his vehicle starts right away after being shut down but wont start after sitting for an extended period of time. Thats because modern fuel injection systems operate under high pressure that must be maintained.

I have to push the accelerator pedal right after turning the key to get it started. I have a stock 350 4bbl 78 camaro. If that doesnt help at all check your plugs.

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 engine is allowed to sit for a long period the problem. 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. 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.

The least like but possible it a bad coolant sensor that doesnt give the computer the correct information for starting cold. 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. However if I drive it around 30 mins stop the engine and then try to start it again it almost doesnt start at all.

When it finally does it splutters as if you flooded a carburetor on an older car and theres a strong fuel smell. The vehicle would have to completely build fuel pressure again before starting. When this happens one of the most common causes is.

Repeat this a half dozen times and then try starting the engine. Couple this with a weak fuel pump and you get hard starting problems after sitting. If you suspect that your car might have issues with your fuel delivery you can always check them yourself.

A slow leak would cause that. The next time you go to start the engine after it has sat turn the ignition switch on for two seconds so the dash light turn on and then turn the ignition switch off. Then start your car.

Modern engines have electronic fuel injection systems that operate at high pressures. Hold your key in the On position for a few seconds if your car has been sitting for a few days to let your fuel system fully prime. I have always thought it was an initial fuel delivery problem.

I have an 81 360 Cherokee that has always started hard after even sitting 8 hrs. Before starting your car after it has sat idle for a long time be sure to check your engine oil level. A difficult start could be due to a number of things from a dying battery to a faulty starter.

But the first thing that I can think of is a faulty check valve in the electric fuel pump in the gas tank. The hard starting is probably going to end up being something becoming heat soaked. You Might Have Issues With Your Fuel Delivery.

I think it is reasonable to expect fuel to evaporate from the carb in a warm engine but fuel sould be in. 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. Do the easy simple things first then get into the.

After sitting for a while you need to pump the peddle almost 10 times. Its becoming a frequent problem. 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.

If your car wont start after its been sitting for just a little while theres a good chance that it has to do with the fuel system. The starter takes power from the battery when you try to start your car and turns the engine over for the first time so that it can run on its own for the duration of the trip. Once that happens it can take a LOT of cranking of the engine to refill the carb fuel.

We will now discuss all the possible reasons why your diesel engine has a hard time starting. When you shut the car down the cooling air stops flowing by and the coolant stops flowing through the engine taking heat away. If your battery is fully charged but turning the key doesnt make anything happen your starter is a likely suspect.

So if your vehicle is less than about 35 years old you most likely have a fuel injected engine.

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