car hard to start after sitting for 30 minutes

If there is not any. If vehicle is equipped with a smart key and theres no start or its unable to detect the key.

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

. 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. Bad coolant temperature sensor. Pleasedodgevan2 July 5 2016 1003pm 10.

When cold starts in 12 turn. Hard Starting after sitting Sign up for FREE. Mario GutiérrezGetty Images 5.

Sebring uses a key with a chip in it. This problem is closely related to vapor lock. It takes several seconds to start but once it does I turn it off and try again.

Check the fuel supply that is the flow and the pressure in the fuel rail to and from the throttle. A common possible cause is that the key or ignition cylinder is worn theres a low battery in the transmitter or the transmitter is defective. In 20 seconds you can become part of the worlds largest and oldest community discussing General Motors Chevrolet and GMC branded pickups crossovers and SUVs.

One thing i do notice is that the fuel filter seems empty in the morning. It acts like there is no fuel in the carburetor and needs to crank for several 4 tries before it starts. Sometimes a fuel pressure dampener may cause the same symptoms.

Updated to edelbrock 2101 intake and 1405 carb. Wait exactly 30 minutes and it will start and run fine. A leaky fuel injector or improperly seated fuel injector seal.

The car turns over but wont start when hot BUT ONLY after it has been sitting 30 to 45 minutes. 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. After the car runs for 15 to 20 minutes and sits for 15 to 30 minutes it is very hard to start.

The car runs excellent once its started. 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. Example drive 30 minutes stop for lunch go back out to start and will turn over 10-15 times before starting.

Minute cracks in the fuel line which leak fuel when under pressure. Also the fan comes on when the engine isnt even warm. Hard to start after sitting 30-60 minutes after engine is up to normal operating tempeture.

When you shut the car down the cooling air stops flowing by and the coolant stops flowing through the engine taking heat away. Runs great otherwise no stumbling or fumblingTiming is at 8. Hard warm starts can also be traced to a leaking fuel pressure regulator FPR or fuel injector.

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. At the beginning a worn FPR or fuel injector may give in to pressure in the fuel line and then stop leaking. The gas has to be pumped and turn over the engin and car will finaly start.

First start with the choke it fires right up. This is not normal. Have a hard time starting it after sitting for awhile 14 Answers.

My question is could it be the fuel filter or more likely the pump or something else. Now this is by no means a hard rule but carburetors really havent been common in new vehicles since the 1980s. 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 only time it does this is when its cold or has been sitting for about 30 minutes after driving. 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. Starts fine when cold and when only slightly warmed up.

From buying research to owner support join 15 MILLION GM Truck Enthusiasts every month who. It will start right back up after it has been driven for a few minutes. There are lot of things that will cause this sort of problem.

Glow plug fault diesel engine By the end of this post youll understand the common causes of hard starting how to diagnose them and how to fix them. The yellow temp light came on but the c. Hard starting makes getting around difficult.

Once it starts it will start instantly anytime afterwards until it sits again. I have to push the accelerator pedal right after turning the key to get it started. When stopping for coffee or supplies fires right back up.

Starts fine when hot if it is started within 10 minutes of it being turned off. Almost acts like some theft deterrent circuit timing out after a false problem detection. The car has 60000 miles on it.

The most likely cause of hard starting after sitting a few days is bad fuel pressure other possible causes include. Let up on the gas as if the engine starts. In 20 seconds you can become part of the worlds largest and oldest community discussing General Motors Chevrolet and GMC branded pickups crossovers and.

In the second datalog you can see me start it up again about 30 seconds after the last start and this time it starts right up. In the first datalog car has been sitting for 20 minutes and i start it. There are no codes showing up battery is not the issue fuel is not the issue.

Here are the symptoms. The hard starting is probably going to end up being something becoming heat soaked. No blown fuses no vacuum leaks.

The service engin light stays on also. 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. That is why your car struggles to start if solenoid is broken or worn out.

A bad non-return valve in the fuel line which is allowing pressurized fuel to flow backwards. The car turns over but wont start when hot BUT ONLY after it has been sitting 30 to 45 minutes. For the past 4 days in the morning I have to crank it for about 3-4 minutes before it will finally start.

To repair simply cut a new key replace ignition cylinder replace transmitter battery or reprogram or replace the transmitter. If i let it sit 20-30 min it wont fire takes 3-5 sec. My 73 350 4bbl Quadrajet is hard to start after it sits for more than a couple of days.

That said heres a shortlist of possible culprits. Sometimes a fuel pressure dampener may cause the same symptoms. A bad fuel pressure regulator.

To find out hold the gas pedal to the floor up to 10 seconds while you crank the engine.

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