car hard to start after sitting
I have changed the idle system fuel pump fuel injector battery fuel sensor cold start sensor ignition coil and spark plug. I have always thought it was an initial fuel delivery problem.
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Have a hard time starting it after sitting for awhile 14 Answers.
. If that check valve is leaking causing the rail to loose fuel pressure overnight that would explain his extended crank time. 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. 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.
The engine is stock except for an HEI distributor GM. Check the fuel supply that is the flow and the pressure in the fuel rail to and from the throttle. This happens on first start up after the car sits and all the oil drains back to the pan.
When the mechanic tried to start the car many times without moving and got warm and then let it sit for two days it started up first time normally. However if I drive it around 30 mins stop the engine and then try to start it again it almost doesnt start at all. You can check this by using a scan tool.
Hard starting makes getting around difficult. As others have noted the real problem is that fuel evaporates when the car is not driven regularly. It took three to four times to have the engine start with gear pushing.
There could also be a fuel line leak. I have an 81 360 Cherokee that has always started hard after even sitting 8 hrs. It also explains why his vehicle starts right away after being shut down but wont start after sitting for an extended period of time.
When this happens one of the most common causes is. When you insert the key and turn it into the on position the accessories might not power on. If you suspect that your car might have issues with your fuel delivery you can always check them yourself.
That is why your car struggles to start if solenoid is broken or worn out. I think it is reasonable to expect fuel to evaporate from the carb in a warm engine but fuel sould be in. For the past 4 days in the morning I have to crank it for about 3-4 minutes before it will finally start.
The hard starting is probably going to end up being something becoming heat soaked. There are lot of things that will cause this sort of problem. When the car does start is the idle even or does it fluctuate up and down.
If the battery and the alternator are working the next step you need to do is to check for a. Look for puddles of fuel under the car or the smell of fuel when starting. Now this is by no means a hard rule but carburetors really havent been common in new vehicles since the 1980s.
So if your vehicle is less than about 35 years old you most likely have a fuel injected engine. Once that happens it can take a LOT of cranking of the engine to refill the carb fuel. Couple this with a weak fuel pump and you get hard starting problems after sitting.
When it sits in the cold garage it starts easier. You Might Have Issues With Your Fuel Delivery. 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.
Strange fact is when the weather is warm outside or the car sits in sunshine the hard start problem is happens earlier after four or five hours. Once it starts it will start instantly anytime afterwards until it sits again. You need to if the injector timing is correct.
If so it could have a vacuum leak. It could be map or maf sensors or o2. My 73 350 4bbl Quadrajet is hard to start after it sits for more than a couple of days.
Another reason your car struggles to start but runs fine is due to damaged fuses or ignition switches. The yellow temp light came on but the c. When you shut the car down the cooling air stops flowing by and the coolant stops flowing through the engine taking heat away.
But if your vehicle has a hard time starting after sitting for just a few hours it can cause an extra layer of confusion. Ethanol can accelerate the deterioration of the check valves in the pump. I have to push the accelerator pedal right after turning the key to get it started.
If this is the case your car struggles to start but runs fine. Mario GutiérrezGetty Images 5. We will now discuss all the possible reasons why your diesel engine has a hard time starting.
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 if you crank without starting the motor is turning much slower than when its running and it gives oil pressure a chance to come up before you start it - thus eliminating the dry start. Basically before you start it up remove an ignition coilbut plug it back in to the harness when its removed and insert a 2 phillips screw driver into the coilwhere the spark plug normally would be touching.
A difficult start could be due to a number of things from a dying battery to a faulty starter. These control the fuel mix and if its off it make a hard start. It acts like there is no fuel in the carburetor and needs to crank for several 4 tries before it starts.
My car is Camry 2004. Next time you go out to start it you need to check for spark while it refuses to start. Up to 25 cash back ok usually with extended cranking when the car has been sitting is usually fuel pressure bleeding down and it takes a very long time for the fuel to reprime the fuel lines with fuel usually caused by a fuel pressure regulator.
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 there is not any. The vehicle would have to completely build fuel pressure again before starting.
Also the fan comes on when the engine isnt even warm. It runs well but the problem is hard to start after sitting for few hours or longer.
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