car struggling to start but runs fine

This might be enough to allow the engine to start but not keep running. 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.

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Earlier this morning my partner started the car and was idling it with the AC running for maybe 90 minutes while on the phone.

. Last week when leaving work my car started very rough. If one of the three elements fails to decrease or increases slightly the ratio changes and the car will not have a smooth runningAfter a while it will shut off due to a. However if I drive it around 30 mins stop the engine and then try to start it again it almost doesnt start at all.

If the car is turning and taking a long time to fire then its not battery. So the fuel pump doesnt cycle enough times to reprime the fuel system. Before taking the car to a mechanic or spending lots of money you can first figure out the problem.

About a week later on my way to work the car seemed to sputter for lack of a better word when I pushed. This can be caused by a weak battery or starter motor. Do you have any ideas.

A bad battery will make your car start slower and slower over time as it outputs less and less power. Battery is dead easy to check - use jump leads and connect to another car which starts well and try starting the struggling car without the good car running otherwise it can draw too much powercurrent from alternator and burn it out. Turn the ignition switch to the run position so that the dash lights come on for two seconds and turn the ignition switch off.

Measure the health of your battery to make sure it isnt failing. I have taken the car to the dealership 6 times for this issue. If there is a fuel leak somewhere then the correct amount of fuel may not make it to the combustion chamber.

Yesterday It took about 10 tries for the car to even start. If these three elements are available in the correct ratio then the car will run smoothly and will not stop. Tuesday 14th April 2009.

Let us look at the possible issues of why your car struggles to start but runs fine. If vehicle is equipped with a smart key and theres no start or its unable to detect the key. Wrong Oil Choice The wrong kind of oil is less free-streaming in cold conditions.

Ignition System Problems. Hello Yes I did do a search for this topic. Usually when a car struggles to run in damp weather the problem is with the ignition system.

If your car does run fine and there are no signs of leaks smells or bad wiring this could be your issue. Once started it runs fine. Since then I have this strange problem with it.

If that is the case you can try replacing the wires or cleaning the connections. When I was finally about to give up it started. I figured I would throw this up here and see what answers yall may haveI am pretty frustratedI have owned my car now for just over a year.

Next move on to check your battery and all of its connectors and wiring. Cold start-Starts FINE every-time While driving-Runs FINE. Some of the dash lights turned on with at oil temp warning.

It has an electric pump and that appears to be working. I have a 1999 Ford Escort SE wagon with 112k miles on it. Car hard to start but runs fine.

An engine needs a minimum cranking speed to start if the starter or battery is weak the engine cranking RPM will be low which causes the engine to build compression slower and make it harder to start. The engine requires the right amount of air and fuel to mix together for ignition. Up to 8 cash back The intermittent non starting leads to to a sensor issue.

Sometimes this issue makes your car hard to start but runs fine once it gets going. For about 2 weeks now my car would turn over right away but have a rough idle for the first 5 seconds or so. If this is the case it could be that fuel pressure in the injector lines is bleeding back to the fuel tank while the car sits for long periods.

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. When that happens you have to crank the engine over quite a number of times until the pressure it built back up. Now if the car is hard to start but runs fine its probably the sensor.

It may even start and then quit once or twice. This was unusual so I killed and restarted the car about three times before letting it run its course 30 seconds after which the car ran fine. To repair simply cut a new key replace ignition cylinder replace transmitter battery or reprogram or replace the transmitter.

If either of those wires are making a poor connection or have become broken or corroded they could be giving a weak signal or insufficient power for your car to start. If this makes the car run start up fine then you need to replace the sensor. Once you get it running everything is fine.

The 3 core elements for the car to start and run are fuel spark and air. Sometimes after it dies if you try again it can start straight away or you can be waiting for half an hour before you can start it. It puts extra strain on your vehicles battery by making it harder for the engine to start.

Sound clips are posted on page 2 3 on this thread. 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. When he went to turn the car on 30 minutes later it wouldnt start.

Slow to crank over. Runs fine once the car is started. Start by disconnecting the sensor.

I press the button and the car tries to turn over but it wont. Let us look at the possible issues of why your car struggles to start but runs fine. A qualified technician like the ones at YourMechanic will be able to diagnose this hard to start condition for you.

Either the crankshaft position sensor or the camshaft sensor would cause the symptoms you have described. A coil or cable in the system is probably leaking the spark to ground. 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.

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