Why does my car not start after warm?

Car will sometimes not start after warm. When i start my car, for the first time during the day- I have no problem. When I go somewhere and shut it off, sometimes it won’t resatrt. It doesn’t seem to matter what the weather is outside, it just does it when it feels like it.

What’s the problem when the engine is hot?

That week, even if the battery was new, we had the exact same problem. The car would start easily when engine was cold, but if the car has run about 100kms and if at all the AC is ON while turning off the engine, it wouldn’t start at all. Wait about 15-30min, and it would start in one crank.

Why is my car engine hard to start?

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.

Can a car start when the engine is cold?

The car would start easily when engine was cold, but if the car has run about 100kms and if at all the AC is ON while turning off the engine, it wouldn’t start at all. Wait about 15-30min, and it would start in one crank.

What causes a car to have a hot starting problem?

Hot starting problems have five principal causes: Starter Tight Engine Engine Malfunction Fuel problems Electrical The cause can be isolated using the guide at the right. Symptom: Engine doesn’t crank*at all Engine cranks, but very slowly Engine cranks fine, but never fires Engine cranks fine, with intermittent firing * NOTE!

Why does my Car start cold instead of warm?

If the injectors were bleeding off fuel as you suggest, there’d be more of a problem with cold starts then warm. Reason being, with bleeding injectors, the longer they sit, the more fuel gets dumped into the cylinder (until all the pressure is bled off). The OP would see the issue more on the cold side than on the warm.

Why does my car not start in the morning?

Used best quality fuel system cleaner 3-4 times when tank was empty (to diagnose the problem) Recently changed oil/oil filter (to make sure I’m using correct viscosity oil) The problem is still there. The reason why I’m not leaning towards fuel pump / filter is because first thing in the morning it starts perfectly.

What causes a car to start at low rpm?

Normal voltage at starter when cranking (8.5V or better) Tight engine Defective starter with worn bearings Too much ignition advance at low RPM (Starter will intermittantly strain to turn the engine over.) Engine cranks fine, but never fires Nospark found at the coil connection? (Also check for spark at the distributor

What makes a 1995 Camry not to start when hot?

Forgot to mention that, the Camry is 1995, unlike modern ignition coils one for each cylinder; it has a central distributor and delivers high voltage to four spark plugs through a set of wires. Thanks. I have a feeling that your crank position sensor (or camshaft position sensor in some cars) is faulty.

What does it mean when your car won’t restart?

When it won’t restart, it will turn over and crank and act like it’s not getting fuel. We have checked the coils, fuel pressure regulator and just now replaced the fuel pump. The car has 192,000 miles on it and is well maintained- tune up, etc.. When it won’t start, I have to put the gas pedal to the floor, and it will start.

When did engine not to start when hot start?

Engine Not To Start When Hot. Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Engine Not To Start When Hot. This topic contains 13 replies, has 6 voices, and was last updated by EricTheCarGuy 7 years, 6 months ago.

What to do if your Honda Accord won’t start?

Usually you need to apply it if your car has problems when you turn off your cars engine for a short period of time and later try to start it while it is still hot.

What kind of car can’t start when hot?

1993 Honda Accord–Can’t Start When HOT! I have a 1993 Honda Accord SE, 4-door with automatic transmission and with about 75,000 miles on it. Whenever the engine is hot after driving for a while, I can’t start it once I turned off the engine. It cranks but it won’t start.

Why is my Honda engine hard to start?

But the main relay most often fails when the weather is really hot, while the other possible causes will exhibit the symptom nearly all the time. Although you might have a hard start now and then with a faulty main relay, it is usually not enough to cause you much concern—you can usually get the engine started despite the momentary difficulty.

What does it mean when your car won’t start?

Although you might have a hard start now and then with a faulty main relay, it is usually not enough to cause you much concern—you can usually get the engine started despite the momentary difficulty. But when an igniter or a coil fails, the car won’t start at all until it cools down.

The starter itself may not be cranking correctly due to the heat impacting the relays which drive the mechanisms (this was a common issue in old air cooled VWs, and with how some newer engines are crammed into engine bays similar things can happen).

Why does my Pontiac Grand Prix not start?

26 people found this helpful. When your car starts fine cold, then fails to restart while warm, it is usually a coolant system problem. Either low coolant, or bad coolant level sensor. 26 people found this helpful.

When to restart a car with a temp problem?

If you pay close attention you will notice that when you make a short stop say 5 minutes that is when you have restart problems . As long as you hold idle for a few minutes with gas pedal everythings OK. I am almost certain a temp part is the problem. If my car sits 30 minutes or more never a problem. Any one witn addl thoughts. Please jump in.

Why does my Car start up when the engine is off?

You very well may have a leaky fuel pressure regulator or fuel injector dumping fuel into the motor when the car is off. Have the mechanic check these things. no, it cranks up pretty much as “normal” warm or cold. it doesn’t take a long time before the engine fires up.

What to do when your car is hard to start?

Sometimes, diagnosing a hard-to-start warmed engine can take you a few minutes; othertimes, it may take some probing around different potential components or systems. To make it easier, the following sections outline the most common sources of trouble and what you can do to check them for potential problems. II.

When does my Car start in the morning?

My car has done more than 300,000 kms, she starts perfectly first thing in the morning. 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. Once started it runs fine. Note: this happens intermittently throughout the day.

What to do when your car won’t start?

Have oto keep it cooldown in order to turn on engine again. Even sometimes but rarely engine turnes off without any reason and after a few minute I was able to start engine again. Exelerator works,battery in good condition, ega valve replaced,new oil filter and sparks. There is no black smoke on exhaust.

Why does my Car Crank but not start?

If it cranks but does not start, sometimes a temperature sensor is bad and the computer can’t figure out the proper amount of fuel to inject. Just a little off and the engine won’t start.

What causes a car to be hard to start?

The conditions in which components and circuits work under the hood can cause electrical connectors to become loose, disconnected or corroded. Loose or corroded engine grounds, specially, will create all kinds of electrical issues since circuit resistance effectively increases.

Why does my Chainsaw start when it’s Hot?

At certain times when the engine gets hot, the flow of fuel to the carburetor can get restricted. This can occur with a dirty fuel filter on the end of your main hose. The hose itself, when hot, can also lose its proper seal to the carburetor, restricting the flow. Replace your fuel filter and hoses on a regular basis, usually once a season.

Why does my Ford F-150 turn over when warmed up?

If the starter turns easily when warm, but doesn’t want to start, replace the O2 sensor. It is most likely the problem. I’m having trouble with my 87 F.I. 300 turning over when gets warmed up. Turns over, but laboriously at best. Like a boost of compression , yeah, right.

Why does my Jeep not want to start when engine warm?

Jeep has 132000 mi which should not be an issue. I have noticed a few times that a warning saying” Transmission over temp” after turning the keys off. Its very brief and have to pay attention to catch it. There is not check engine light.

Why do some people get too hot all the time?

According to Dr. Tolentino, stress and anxiety might be major reasons you’re feeling too hot to handle. Even though your hypothalamus usually does a good job at keeping you somewhere between too warm and too cool, it can go a little off-kilter when you’re stressed out.

Why does my hot water heater not get hot?

But sometimes, you’ll notice that the water just won’t get hot no matter how long you leave the tap running. When this happens, you likely have an issue with the fuel source. If the water heater can’t get fuel, it can’t ignite and warm your water up. If you have an electric tankless water heater, check your breaker box.

How often do you have to run your hot tub?

If you leave town for a few weeks, or otherwise unable to use the spa for extended periods, you must keep it running, with at least a few hours of high speed circulation daily, and low-speed circulation for most other times.

What should I do if my heat won’t turn off?

If heating or cooling system keeps running (more than a couple of minutes if you have warm air heat), something else is wrong. Since we have eliminated the thermostat we need to check for damaged or shorted thermostat wires. Continue to STEP 4 below. OK so it’s not always as trivial as I just said.

Why is my car running hot but not overheating?

When the thermostat suffers damage, it will not be able to drive the flow of hot coolant to the radiator, and this can cause the engine to have a significant increase in temperature. The hoses create the medium for the transportation of coolant. If it is broken due to exposure to heat, it can affect the flow of coolant.

Why is my computer so hot in Windows 10?

Various factors can be the reason for Windows 10 hot issue. You need to check your Windows 10 System and find out the problem that causes the overheating: System Using Environment: If you are using your system in a hot room, it can cause overheating in Windows 10.

Why does my lawn mower not start when it’s Hot?

Until it cooled off, it won’t start no matter what you do. Lots of reasons may have contributed to this problem but the main culprit is most likely the failing coil. It’s so frustrating when you checked the oil level, air filter, and so on but the lawn mower won’t start when hot. If you have a Briggs engine, you will face it a lot of times.

What should I do if I don’t cool down in hot weather?

Shower, bathe, or sponge off with cool water. Lie down and rest in a cool place. Visit your doctor or go to an emergency room if you don’t cool down quickly. During hot weather, think about making daily visits to older relatives and neighbors.

Is it safe for an older person to walk in hot weather?

At 72—healthy and active—Suyin thought the heat would be no match for her! Yet, after walking just one block, she felt dizzy and weak. Too much heat is not safe for anyone. It is even riskier if you are older or have health problems. It is important to get relief from the heat quickly.

What happens if you don’t shut off the engine?

The car drives smooth, good responses, idle RPM is stable. Car will keep running for long miles smoothly if don’t shut off the engine. just won’t start when hot, but will start when cool.

Why does my car not start when I Turn Off the engine?

Fuel cannot circulate well due to the way in which vapor blocks it. As a result, the engine would not start as easily as it should. In worse cases, it would not start at all. This happens if the engine is extremely hot. Even after the engine is shut off, it would keep on acquiring temperature for a short while.

What to do when your car won’t start after driving?

Problem start after driving car no mather about distance, after turning off engine and passing few minutes car wont start. Have oto keep it cooldown in order to turn on engine again. Even sometimes but rarely engine turnes off without any reason and after a few minute I was able to start engine again.

How long does it take a car to start after cooling off?

Vehicle cranks, has spark, has fuel pressure at fuel manifold. No codes on computer (Wish it was a ’96). Car will start normally after cooling off (generally takes at least 45 minutes). No problem driving to work, parking all day, driving home.

Why is my car hard to start in hot weather?

Hot weather and fuel lines too close to a hot engine or other hot components will contribute to vapor lock. Another cause for vapor lock is clogged vent lines. This line or lines coming from the fuel tank, allow fuel vapor to exit the tank and collect into a charcoal canister.

What kind of car does not start after warm?

Pontiac Grand Prix Questions – Car will sometimes not start after warm. – CarGurus Car will sometimes not start after warm. When i start my car, for the first time during the day- I have no problem. When I go somewhere and shut it off, sometimes it won’t resatrt.

Why does my car shut off and then start back up?

If it just instantly shuts off like you are turning the key off, then it may be a problem in the ignition switch in the steering column, or an ignition control module. It may be hard to find, especially if it starts right back up.

Why does my motorcycle engine stall when warm?

And the problem is often worse on a hot day. The dreaded stalling issue when the engine is warm is the most common idle problem and it is mostly related to the very lean air/fuel ratio on the modern fuel injected motorcycle engine. Why does my motorcycle stall at idle when the engine is warmed up and at operating temperature ? – Low compression.

Is it possible for a car to not start intermittently?

No charge… take the car home and no fix. Again this problem is intermittent. As for driving over ice, yes, this is very possible. The first time I had this problem was when we were driving in roads which were terribly plowed and the car was struggling in several inches of snow. In addition, I live in NH and we had had a ton of snow this winter.

What causes a car to have no start?

Wifey stopped by, no start, they jumped right on it and found a bad fuel pump, diagnosis in failure mode is the best answer. 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.

What to do when a hot engine is hard to start?

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.

When is it hot out my car won’t start?

Keep in mind, your failure is only occurring when it is hot. For a mechanic to diagnose your car, you will need to reproduce the problem. Reproducing the problem could be the most challenging part of this diagnosis.

Why does car not start intermittently while in Park?

Kept having the same intermittent start problem as 4 and 5 above and car was parked in a Parking Garage and when tow truck came to tow, height did not allow access. Tow driver went in and moved gear to NEUTRAL and it started. Concluded that Parking Neutral (PN) Switch was the problem.

Why does my car not start when I plug it in?

If the starting, charging and fuel systems are working, the problem could be inside the engine. A broken timing belt, timing chain or timing gear means you can crank the engine until you drain the battery, and it still won’t start.

What makes a car start hard after sitting?

Starts hard after sitting.Starts great on fresh start. Starts great on having recent start. Put my scanner on it and fuel pressure gauge.Everything fine.No codes. One day while driving it quits running and needs a tow.I figured fuel pressure regulator and was right.It runs fine.Still starts the same. Put it back on scanner.

Why is my Bug hard to start when engine warm / hot?

A intake leak will normally cause a rough idle or even stalling Hot or cold but a little worse when hot. If the engine runs and idles fine after you get it started tells me that something else is going on. Just remember you are up there and we are down here and don’t have a “hands on” deal.

Why does my car run rough when the engine is warm only?

From your description you mentioned starting, rough running once started, and smell of unburned fuel, after the engine has been warmed up; which is the identifying factor here. Valves are an important part in the distribution of fuel into the engine block, after the engine warms there maybe some blockage or expansion from heat.

What do you do when your car won’t start?

Owning a vehicle can be the highlight of a day and a nightmare all in one. The first time you drive the car off of the lot, you feel like a proud parent. But, those feelings can quickly turn sour the first time the car won’t start. If you find yourself wondering why your car won’t start, we’ve got some common causes to consider.

Why does my car not accelerate when I press the accelerator?

If the TPS malfunctions, the engine speed cannot be controlled by the accelerator pedal and engine speed will increase or decrease without any press or depress the pedal. Report this ad #4 – Dirty or Clogged Fuel Filters A dirty or clogged fuel filteris another reason for a car not accelerating like it’s supposed to when required to do so.

Why does my car engine not start when hot?

So the ECU thinks the engine is not spinning and doesn’t fire the ignition; hence the engine does not start. If it is a crankshaft position sensor it will be located somewhere on the circumference of the freewheel; if it is a camshaft position sensor, it may very well be located inside the distributor.

What should I do if my car won’t start?

Needed to get it replaced. (what worked to get it started, is turn the key and tap on the starter in your engine at the same time) Your starter (solenoid) is failing or has a bad connection. Should be < $600 total parts/labor if so. Due to the intermittentness of your problem and that it seems to be getting worse.

How often does a car not start up?

So the problem, not every time but very very frequently.. when she gets in her car it doesn’t start up. The lights and radio work perfectly fine.

Can a bad coolant temperature sensor cause a car not to start?

While it may not be the coolant temperature sensor that is causing your car to not start, it could be a plethora of other issues. One of the most common reasons why a car doesn’t start is that the battery is dead. If this is the case, you can use jumper cables to jump start your car and let it run for a while so that the battery recharges.

Can a car start when the starter is cold?

So yes, listen for it to prime next time. Well it looks as tho this post is about 10yrs old and you never got a answer. Other forums dont have a answer to this problem either talking about heat soaked starters as if it doesnt turn over when hot. The starter is fine hot or cold it just wont start the engine unless cold.

Why does my Briggs and Stratton engine not restart when it is warm?

If the carb is only overflowing when warm, its possible that the bowl vent on the carb is plugged and causing the carb to pressurize when warm. Does the engine even try to pop when its warm, or does it just crank and crank with no fire? I’ve seen engines that have carbon buildup in the cylinders that won’t restart warm.

Why does my ttora not start when hot?

If I start it when cold or not up to operating temp it fires right away. I’m just thinking that the coolant is leaking back from the hot head to the coolant temp sensor, heat soaking it and causing it to run a rich start up. I’ve checked the sensor and all the resistances seem to be within spec.

Navigation