car has trouble starting when warm
Take a empty soda bottle fill it with 14 cup of cold water put the cap on and shake it up for about 3 seconds now squeeze the bottle it should squeeze in easily. Top 5 Reasons for Hard Starting When Cold 1 Battery Issue 2 Bad Ignition Switch 3 Malfunctioning Starter 4 Wrong Oil or Too Thick 5 Bad Starter Solenoid Top 5 Reasons for Hard Starting When Cold There are many things that can cause an engine to be hard to start especially in cold weather.
Once started it runs fine.
. Jump to Latest Follow 1 - 2 of 2 Posts. Since the engine is still technically cold not at operating temps and the only thing that should be warmer is the ambient air temperature. If it reads 100 degrees Fahrenheit 37 C when it is more like 30 degrees Fahrenheit -1 C there is your problem.
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. Starting problems when engine is warm I posted this problem beforebut didnt get a definite answer. My car has done more than 300000 kms she starts perfectly first thing in the morning.
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After I leave it running for a while it most of the times throughout the day takes about 5 seconds to crank before actually starting. If your starter easily cranks a cold engine but drags or cranks very slowly when hot there may be a heat soak problem. Continue reading below Our Video of the Day.
Make sure they test it at least 5 times. Reasons Why Your Car Wont Start 1. Mark helpful 210 Shane answered 7 years ago.
However its also possible that your car just needs an oil change. Under no circumstances will proclaimliberty2000 be responsible or liable in any way for any content inc. Maybe something drained the car battery during the night or maybe the car battery is.
Either low coolant or bad coolant level sensor. You may be using the wrong oil viscosity. My car starts up fine when the engine is completely coldor completely warmed upbut when its in the middlelike parked for 30 min after drivingits really hard to start itthe engine crancks for 15 sec or more than it finally starts if u give it a little gasIt started doing that after i.
A Dead Battery The first thing you need to check if your car wont start is if the car battery is charged or not. Warm start problems as opposed to no-crank problems which are caused by other issues are usually something electrical fuel pump ignition module crank position sensor most often. Will not start when engine warm Sounds more like your ignition module is getting hot and not working.
You can remove the ignition module and most NAPA stores have the ability to test them for you. As contaminants and dirt build-up in the oil it can become thicker and harder to push through the engine. When the engine is cold the air fuel mix enters the cylinder and is compressed and ready for ignition cold fuel cold air cold cylinder lower compression.
If I temporarily shut down my car then come back to a warm engine and try to start it the engine cranks but has trouble starting. Faulty Coolant Temperature Sensor. Most of the reasons by which a hot engine would be hard to start are based on problems related to the fuel.
If you have to hold the gas pedal down to start it you most likely have a bad coolant temp sensor really common on that car. When the engine is too hot fuel cant circulate properly due to the way in which vapor obstructs it and therefore the engine wouldnt start as easily as it should or it wouldnt start at all. On a hot day when it doesnt want to start to check to see if it getting spark and the proper amount of fuel.
Low Level Of Fuel You need to keep the fuel tank full or at least half full during the colder months. Have a look at this answer for more details on potential causes for hot start problems. This way itll simulate starting and stopping.
You are looking for the sensor to be way out to lunch. On this community episode Ben and Russ trouble shoot why Davids 1994 Volvo 850 Turbo Wagon has trouble starting when its warmSubscribe. Technically the car still should start as it was when it is a cold morning.
Especially if you park outdoors in a cold night you may notice the car hard to start in the morning. A shop might be able to set you up so you can test for spark yourself when it happens. Before you condemn the starter as bad you should perform a system diagnosis of the battery cables and starter.
Ultimately this translates into trouble starting the car when its cold outside. Its easier for the low temperature to condense a small amount of. You have two coolant sensors on that car there screwed into the head by where the upper hose goes on.
Watch the engine coolant temperature sensor from start up all the way through to when the car has reached normal running temperature. Trouble starting car from warm start. You want to replace the bottom one that has two wires going to it a black wire and a yellow wire.
Id go there first before replacing the ECM. I have to either pump the gas a little or just crank and crank till it starts neither of which I like to do. When your car starts fine cold then fails to restart while warm it is usually a coolant system problem.
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