car struggles to start then runs fine

First check to see if the fuel pump is working and staying on. Since then I have this strange problem with it.

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A loss of pressure over time will cause the fuel not to be at fuel injectors when starting and will take time to build up pressure again before it will start normally.

. 3 Dirty or Faulty MAF Sensor. Up to 8 cash back The engine will start normally and then die off when you give it gas. But i still feel a bit of stuttering until the.

But when I let off the car the car will want to die. 5 Bad CamshaftCrankshaft Position Sensor. After starting the van will run normal.

This time I had to have it jumped and it took about 10 minutes of charging to get it to start. I recommend having your starting problems. Thats because the fuel pump only runs for a second or two and then shuts off when the ignition switch is turned to the run position.

Every once in awhile it will not restart at all. Measure the fuel pressure at the fuel rail when the key is just turned to run on a cold engine. But after sitting starts right up I have a 1994 Mustang and after it has been running will not start.

If the charging system fails the battery is the first component to be affectedIt loses power to supply enough charge to the battery and requires a few tries to start the car. Common Reasons a Car Starts Then Shuts Off. Up to 8 cash back The fuel system needs to hold pressure to the fuel injection in order to start after sitting.

Not sure about waxstats will need to check. So the fuel pump doesnt cycle enough times to reprime the fuel system. Check the fuel pressure when the engine is started and monitor the pressure as you give it gas.

Slow to crank over. Do this a few times and see if the pressure gets up to normal. If they do your ignition switch should be good.

I have to keep my foot on the gas and rev it up to keep it running- then its fine. Answer 1 of 11. This will bypass the idle air control valve and allow the engine to start.

Turn the ignition switch to the run position so that the dash lights come on for two seconds and turn the ignition switch off. Joined Oct 6 2009. You cant unlock the doors roll the windows down nothing works.

Turn the ignition on and see how much fuel the pump is pumping you shouldnt need much on a carb engine so it will be obvious if there is a problem. If not the switch will need to be replaced. 1 Bad Idle Air Control Valve.

It is like the battery is dead. 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. Fuel pump check valve doesnt maintain pressure in the fuel rail so it boils and then you have to crank excessively to get rid of the vapor before it will start.

If youre not sure turn on the headlights. An engine needs a minimum cranking speed to start if the starter or battery is weak the engine. Besides that the main reason your car struggles to start but runs fine is any damage to the batteryThe electrical system in the car wholly depends on the batterys power and voltage.

7 Oct 23 2012. If so change the fuel filter then perform the check again. If the engine starts by resting your foot on the gas pedal remove the IAC and clean it again no parts involved just a shop towel and carburetor cleaner.

6 Slipped Timing BeltTiming Chain. 2 Bad Vacuum Leak. Thats the first problem.

Im also having a rough idle at startup the RPM sometimes plays all over the place for around 20 sec but most of the time as soon as i start it up it reaches 1100 RPM drops to 900 RPM then goes back up to 1100 until it warms up. After sitting for a bit it starts up. In most cars the dash warning lights should turn off at this key position.

If the pressure is low turn the key off wait about 10 seconds then turn it back to run. When you try to start the car the lights should either dim considerably or turn off completely. When it wont start I have to put the gas pedal to the floor and it will start.

If the pressure drops then either the fuel pump is not working or the fuel pressure regulator is not working. However if I drive it around 30 mins stop the engine and then try to start it again it almost doesnt start at all.

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