car hard to start after sitting for a week

So if your vehicle is less than about 35 years old you most likely have a fuel injected engine. Now this is by no means a hard rule but carburetors really havent been common in new vehicles since the 1980s.

What To Do If Your Car Won T Start Youtube

That way you can check the oil.

. Im certain the problem is due to fuel not spark or air. It takes some cranking for the mechanical pump to pull gas up from the back of the car and refill the bowl which is why it takes so long to start. A loss of pressure over time will cause the fuel not to be at fuel injectors when starting.

Once it starts it will start instantly anytime afterwards until it sits again. 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. However if I drive it around 30 mins stop the engine and then try to start it again it almost doesnt start at all.

My 73 350 4bbl Quadrajet is hard to start after it sits for more than a couple of days. It acts like there is no fuel in the carburetor and needs to crank for several 4 tries before it starts. A temporary fix is to pull the fuel cap and blow low pressure 10 psi air back through the fuel supply line.

Up to 8 cash back The most common problem encountered that will cause this problem is a fuel pump in the fuel tank not holding fuel pressure up to the engine for any length of time. When you shut the car down the cooling air stops flowing by and the coolant stops flowing through the engine taking heat away. But I drove the car for a few miles after jumpstarting it.

This occurs when a stationary tire has to bear the load of a vehicle for an extended period. 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. Cars are not meant to sit around they are meant to be used.

If that does no good take a vacuum hose off near the throttle or remove the air intake at the throttle and spray some carb cleaner into. I have an 81 360 Cherokee that has always started hard after even sitting 8 hrs. A flooded engine will clear itself this way.

Then check for any lights that are on you probably left something on. Feb 6 2003. If the car has been sitting for over 90 days you should remove the spark plugs and introduce some form of lubricant like marvel mystery oil into the cylinders.

I call it the starting ritual. That is why your car struggles to start if solenoid is broken or worn out. The engine is stock except for an HEI.

I have the same problem. After turning it off it will restart instantly. 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.

Only show this user. Could be a dirty fuel filter or bad check valve allowing fuel to leak back into the tank. A difficult start could be due to a number of things from a dying battery to a faulty starter.

Its a frustrating experience when your car doesnt seem to want to start up. This would mean that the trouble would occur even if the car was allowed to sit for a few. The fuel system needs to hold pressure to the fuel injection in order to start after sitting.

Runs great and has plenty of power. As the weight of the vehicle presses down. I have always thought it was an initial fuel delivery problem.

If its better for a while and then starts bogging again drop the tank pull the fuel pickup and check out the fuel sock. If that check valve is leaking causing the rail to loose fuel pressure overnight that would explain his extended crank time. But seriously jump start it and it will fire right up.

If its spinning ok but wont fire try holding the gas pedal to the floor as you start it. Hard starting makes getting around difficult. You may want to perform a cold compression test after the truck sits for a few days.

99 chance its your battery since theres also no lights or anything else. New Edelbrock carb with electric choke. 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.

But after sitting for over a week it cranks quite awhile before starting. If there is not any. 1 chance your battery is good and a rat or something chewed through the wiring somewhere.

If that doesnt help at all check your plugs. 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. Mario GutiérrezGetty Images 5.

Open hood take air cleaner off squirt a little b12 chemtool into carb fire it up put air cleaner back on close hood. Then start your car. The vehicle would have to completely build fuel pressure again before starting.

You could be starting to experience low compression at start up. An electric fuel pump neatly solves this problem and I dont consider it a crutch. This is caused by a flat spot in the tire a problem for any car that sits idle for extended periods of time.

It also explains why his vehicle starts right away after being shut down but wont start after sitting for an extended period of time. After getting it started it runs great. My 1990 Honda Prelude with the 2005 Sears Diehard Gold battery wouldnt start after sitting for 3 weeks.

The voltage only gets lower as the engine cranks so you have higher voltage the 1st few seconds. When this happens one of the most common causes is low fuel pressure. I put a rebuilt 302 into my 65.

The hard starting is probably going to end up being something becoming heat soaked. My ammeter shows that at idle the alternator is supplying 7 amps of current to the battery so I dont think I have an alternator problem. I have to push the accelerator pedal right after turning the key to get it started.

Could be a dirty fuel filter or bad check valve allowing fuel to leak back into the tank. Jumping it got it going right away. 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 filter socks fall apart and plug up. If you can crank the engine for 15 seconds its not a low voltage issue. The symptom of hard starting after sitting for a short time could be a fuel system related component.

99 chance its your battery since theres also no lights or anything else. Mine sits for a couple of weeks at a time. But if your vehicle has a hard time starting after sitting for just a few hours it can cause an extra layer of confusion.

As that would more likely occur when the car is just stopped and the carb is sitting on a still hot engine. Todays gas evaporates at room temperature so after a week or so the bowl is empty or nearly so.

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