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Adam answered 8 years ago. Brad answered 6 years ago. Have 99 durrngo newfualpump new cranking sensor we'll run for 15 to 2o mins then won't start till cold again. GuruWJX82 answered 2 years ago.

Its also not wanting to excelarate. Its idling a lot better but still rough to crank if its warm and acelaration sucks. Idk whats going on, im womdering if a bad catalatic convertor could be why it dont like to get up and go. GuruXQ71R answered about a year ago.

Sandy answered about a year ago. Im haveing the same problem dodge ram 5. Guru1ZV4J answered 10 months ago. Mystiphied answered 7 months ago. My pickup is a Dakota with 4.

After killing I tried restarting it every 15 minutes for more than an hour Mike answered 2 months ago. Azxyrn answered 2 months ago. My issue was solved by replacing the coolant temp sensor and the harness that went to it. If your vehicle surges or wants to stall it's probably your fuel pump. If engine turns over and doesn't start at all may be your starter switch relay or fuel pump switch relay. Was startingand running good. I have a dodge ram laramie 5. I have a different car.

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WONT START WHEN WARM

Mark helpful. Your Answer:. Upload Photo Photo optional. Related Questions. Start a new Dodge RAM question.Few things are as annoying as turning the key in your truck and finding it will not start.

Chevy Silverado Starting Problems

There are many problems that can result in a Chevy Silverado's failure to start, making diagnosing the trouble even more frustrating. Depending upon how the failure occurs, you can check for several basic problems before making the decision to call a mechanic for assistance. Not turning over is usually a result of the starting system failing to get the required electrical power needed to turn the starter. When you turn the key and get no result at all from the engine, it is commonly due to bad battery connections or a discharged battery.

Less common problems are a break in the starter circuit's wiring, a faulty starter or a faulty solenoid. Before suspecting electrical or mechanical failures, however, ensure that the parking lever is in park and that electrical connections are clean and secure. If the engine turns over but will not start, this usually means that either the engine is not producing a spark at the sparkplugs or fuel is not being delivered to the engine.

Common causes for no spark are a weak battery, indicated by a slow-turning starter, a faulty ignition coil or a wet ignition system. Less common problems are faulty sparkplugs, broken or disconnected coil wires or broken wires in the ignition system.

A fuel delivery problem is usually caused by a clogged fuel filter, no fuel in the tank or a faulty fuel pump. A starter that spins without turning the engine is caused by the starter gear failing to engage the engine's flywheel. This usually indicates that the starter pinion is sticking and not allowing its gear to move into position with the flywheel. Less common are broken starter gears or broken gear teeth on the flywheel resulting in the starter being unable to contact the flywheel.

An engine that's hard to start when it is cold is caused by the engine either producing a weak spark or not providing enough fuel to the cylinders. A weak battery will produce a weak spark at the plugs, and will turn the engine over slowly.

A worn distributor cap, old or broken plug wires or a worn distributor rotor can result in a weak spark at the sparkplugs, causing the engine to turn over excessively before catching. A clogged fuel filter, dirty fuel injectors or weak fuel pump can result in too little fuel reaching the cylinder, causing poor fuel ignition and the need to depress the accelerator to assist starting.

An engine that is difficult to start when hot can be caused by a clogged air filter restricting airflow to the intake. This causes a rich condition at hot startup, often noticed by "flooding," or the smell of gasoline after repeated starting attempts. Another possible cause is a weak coil or electrical system that is compounded by the heat produced from a hot engine. Heat increases resistance in electrical systems, lowering the effective voltage at the critical ignition components.

Less common problems include faulty emissions systems that must be diagnosed by checking for fault codes stored in the vehicle's computer with a scanning tool. This article was written by the It Still Works team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information.

To submit your questions or ideas, or to simply learn more about It Still Works, contact us. Starter Turns Without Turning the Engine A starter that spins without turning the engine is caused by the starter gear failing to engage the engine's flywheel. Engine Hard to Start Cold An engine that's hard to start when it is cold is caused by the engine either producing a weak spark or not providing enough fuel to the cylinders.

Engine Hard to Start Hot An engine that is difficult to start when hot can be caused by a clogged air filter restricting airflow to the intake.

About the Author This article was written by the It Still Works team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information. Photo Credits 4 wheel drive image by Canakris from Fotolia.Problem: When running errands around town, car will temporarily not start after 3rd or 4th stop.

Vehicle cranks, has spark, has fuel pressure at fuel manifold. No codes on computer Wish it was a ' Car will start normally after cooling off generally takes at least 45 minutes. No problem driving to work, parking all day, driving home. Have not tried long distance driving since problem arose, due to concern about being stuck for awhile far from home.

Sample situation: Drove 5 miles to town. Shopped for 15 minutes. Drove 2 miles further with 5 minute stop. Drove another 2 miles with 5 minute stop. Drove 1 more mile and stopped for minutes. Car would not start. Still would not start 30 minutes later. Left car for several hours. Started promptly and ran normally on return.

Weather condtions - 90 F, low humidity. Problem has been occurring for several months. No computer codes to dive guidance. It may be a leaky injector sflooding one or more cylinders over time. When you then let it sit longer, it evaporates and everything is fine again. What exactly she does when does not start?It is usually a cold engine, which is exposed to extreme weather that is most often difficult to start.

However, hot engines sometimes have problems too. Hot engines can be tough to start, and many people do not know how to deal with this situation when it occurs to their cars. I live in Texas, it is important to know exactly why it happens and what to do. The most common reason why a hot engine will not start is because the problem is related to fuel.

When your new car engine is too hot, fuel cannot circulate well, due to the way vapor obstructs its workings and therefore the engine just will not start, as it should. To keep your engine running at the correct temperature and to protect its alloys and metals, you need to use a properly designed coolant. During this time,the highest concentration of vapor is being circulated and chances are that it may obstruct the engine to a greater extent. Obviously, when and if you are driving in hot weather and have just turned off the car engine you may experience start problems.

Then go and get a high quality engine coolant. Therefore, the vehicle does not have the same issues when it comes to starting a hot engine. For most of us this is the case, but if you are having a hard time starting your car under extreme heat conditions, then it may be time to change over your old car to a newer car with fuel injection. Proper maintenance of its engine was the best solution for the engine temperature.

truck wont start when warm

Another reason why you may have an engine, which is hard to start while hot, is that it may be due to seasonal weather as refiners change from one fuel blend to another. Gas refiners often change a higher volatility fuel to a lower one when summer approaches. This is simply because hot weather causes fuel to evaporate more quickly. If refiners change back to a higher volatility fuel, while cars are still exposed to days of extreme temperatures, this may cause swift evaporation of the fuel which, in turn would create too much vapor within the engine.

If you are having an issue like this, you can always bring your car by for the experts to check it out.Before you condemn the starter as bad, you should perform a system diagnosis of the battery, cables and starter.

For a good overview of these tests, visit www. This absorbed heat adds resistance to the electrical conductors inside the starter.

truck wont start when warm

The additional resistance results in the starter requiring more amperage than it normally does when cool. The TOTAL effect of all this unwanted resistance is a dramatically reduced current flow, which in turn means the starter is limited in current, and therefore either turns very slowly or not at all.

The starter solenoid is equally vulnerable to this condition, and thus may not activate the starter at all. At some point, cleaning the battery terminals and connectors may no longer help if the corrosion has already spread throughout the length of the cables. Heat soak can usually be solved by installing a heat shield on the starter; this will reflect the heat away from starter.

In fact, many vehicles are originally equipped from the factory with a heat shield. Unfortunately, they are often discarded when the starter is replaced. You can likely find a used heat shield at a salvage yard, or source a new one from your local parts store. Other fixes can involve upgrading the battery cables with a heavier gauge cable or installing a higher capacity battery.

Anything that will keep the starter cooler or allow more amperage to the starter should help considerably. Rotating electrical parts such as starters and alternators often have to be replaced on older, high-mileage vehicles.

Fuel injection has helped prolong the service life of starters by allowing engines to start more quickly when they are cranked.

Help! My New Car Won’t Start Because it’s Too Hot Outside!

Related Information. Read More. Alternator and Starter Diagnosis Rotating electrical parts such as starters and alternators often have to be replaced on older, high-mileage vehicles. Quality Brands. Send this to friend Your email Recipient email Send Cancel.Discussion in ' Peterbilt Forum ' started by AbimMay 7, Each company we work with has specific experience requirements for their drivers.

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Q: When it's hot out my car won't start, any ideas?

Please Help - Truck won't start when hot! May 7, 1. I do hope I wouldn't be a bother to you all but I actually thought ask questions about my issues on here with high hopes that you all might be able to give me one or three pieces of advise. My problem is this, I drive a peterbilt with cummins N14 engine. She starts normally but if I put it off after driving a while, it won't start back immediately unless I allow it to cool for about 30 minutes. Big pain that is!! I have changed the kick starter and 4 batteries with no difference, she still does same thing, it won't start when hot until I allow it to cool.

Any advice will be highly appreciated as I'm totally lost on this one. Many thanks in for your replies. AbimMay 7, Tibbitt Thanks this. Name Email Phone Yes, let employers and TruckersReport text me with new opportunities, job alerts and other career information to the number I provided.

There is no charge for this service, but standard message and data rates may apply. May 7, 2. I don't know about an 89 model, but you may check if it has one your temperature switch May 7, 3. If it cranks when hot but won't start it might be fuel filter related. May 7, 4. May 7, 5. May 7, 6.Although usually engines exposed to cold weather is the most known problem related to car starting difficulties, hot engines might bring obstacles as well.

Many people realize that the car does not start as easily as it should when the engine is hot and do not know what to do about it. In order to be able to overcome this problem, it is important to start by learning why it happens.

Most of the reasons by which a hot engine would be hard to start are based on problems related to the fuel. When the engine is too hot, fuel can't circulate properly due to the way in which vapor obstructs it and therefore the engine wouldn't start as easily as it should or it wouldn't start at all.

A car engine would keep on gaining temperature until a while after it was shut off. During this period of time is when the highest amount of vapor would be circulating around and therefore that is when the chances it obstructs the engine are bigger as well.

This way, if you are driving in hot weather and you have just turned off the car in which you experience start problems, you should wait for a few minutes until starting it back. Fuel injected engines do not experience this problem as much as others do due to the fact that the fuel remains inside the injectors by being under a very high pressure.

This way, fuel injected engines would not become so easily obstruded by vapors as other engines would and therefore the car would not have the same problems to start as another would. Also, engines might become hard to start while being hot if it coincides with the season in which refiners change from one fuel blend to another.

Sometimes gasoline refiners change from a higher volatility fuel to a lower one when summer approaches due to the way in which hot weather causes fuel to evaporate easier. If refiners change back to a higher volatility fuel while the engine is still exposed to days of high temperatures, this could cause the fuel to evaporate too much creating too much vapor and therefore obtruding the engine.

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truck wont start when warm

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truck wont start when warm

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