car hard to start after sitting for a week

When this happens one of the most common causes is low fuel pressure. When a vehicle isnt used.

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. It also explains why his vehicle starts right away after being shut down but wont start after sitting for an extended period of time. 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. But seriously jump start it and it will fire right up.

This is caused by a flat spot in the tire a problem for any car that sits idle for extended periods of time. I have an 81 360 Cherokee that has always started hard after even sitting 8 hrs. My 1990 Honda Prelude with the 2005 Sears Diehard Gold battery wouldnt start after sitting for 3 weeks.

Could be a dirty fuel filter or bad check valve allowing fuel to leak back into the tank. An electric fuel pump neatly solves this problem and I dont consider it a crutch. 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. This provides lubrication so your keys can slide in and out without getting stuck. Then start your car.

New Edelbrock carb with electric choke. If its better for a while and then starts bogging again drop the tank pull the fuel pickup and check out the fuel sock. Only show this user.

Im certain the problem is due to fuel not spark or air. It acts like there is no fuel in the carburetor and needs to crank for several 4 tries before it starts. For this reason we have written 4 steps to start a car that has been sitting for months.

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. This occurs when a stationary tire has to bear the load of a vehicle for an extended period. This should be your first step.

A difficult start could be due to a number of things from a dying battery to a faulty starter. Once it starts it will start instantly anytime afterwards until it sits again. After getting it started it runs great.

Todays gas evaporates at room temperature so after a week or so the bowl is empty or nearly so. Then check for any lights that are on you probably left something on. 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.

99 chance its your battery since theres also no lights or anything else. When you shut the car down the cooling air stops flowing by and the coolant stops flowing through the engine taking heat away. So if your vehicle is less than about 35 years old you most likely have a fuel injected engine.

However if I drive it around 30 mins stop the engine and then try to start it again it almost doesnt start at all. The vehicle would have to completely build fuel pressure again before starting. 1 chance your battery is good and a rat or something chewed through the wiring somewhere.

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. That is why your car struggles to start if solenoid is broken or worn out. After turning it off it will restart instantly.

99 chance its your battery since theres also no lights or anything else. I call it the starting ritual. Feb 6 2003.

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. As the weight of the vehicle presses down. First if you cant start your vehicle with your car key you can use a lock dry lube.

The engine is stock except for an HEI. I have the same problem. A flooded engine will clear itself this way.

If that check valve is leaking causing the rail to loose fuel pressure overnight that would explain his extended crank time. That way you can check the oil. Mine sits for a couple of weeks at a time.

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. Now this is by no means a hard rule but carburetors really havent been common in new vehicles since the 1980s. 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 to push the accelerator pedal right after turning the key to get it started. Thats because modern fuel injection systems operate under high pressure that must be maintained. If its spinning ok but wont fire try holding the gas pedal to the floor as you start it.

I have always thought it was an initial fuel delivery problem. The first step to start a car is to Check Your Engine oil. 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.

As that would more likely occur when the car is just stopped and the carb is sitting on a still hot engine. Could be a dirty fuel filter or bad check valve allowing fuel to leak back into the tank. If there is not any.

I put a rebuilt 302 into my 65. But I drove the car for a few miles after jumpstarting it. Runs great and has plenty of power.

My 73 350 4bbl Quadrajet is hard to start after it sits for more than a couple of days. But if your vehicle has a hard time starting after sitting for just a few hours it can cause an extra layer of confusion. Oh and theres a chance that battery is toast now.

A temporary fix is to pull the fuel cap and blow low pressure 10 psi air back through the fuel supply line. This would mean that the trouble would occur even if the car was allowed to sit for a few. Hard starting makes getting around difficult.

The hard starting is probably going to end up being something becoming heat soaked. Its a frustrating experience when your car doesnt seem to want to start up. The filter socks fall apart and plug up.

Open hood take air cleaner off squirt a little b12 chemtool into carb fire it up put air cleaner back on close hood. Jumping it got it going right away. 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.

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