Question about 2004 BMW X5 3.0i

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Engine turns over with no problems but car will not start (this only happens when its very cold). any suggestions on the cause of this problem?

As soon as the temperature gets warm the car starts with no problems

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Run the fault codes and look for problem sensors associated with the air temperature/map/maf and and vaf systems.

Posted on Dec 09, 2014

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I have a 1995 Buick Park Avenue. Just recently it is hard to start what would cause this?


These are the some reasons why a car have problem in starting.
1. bad spark plug
2. bad wires
3. bad rotor
4. bad distributor cap
5. bad ignition coil
6. fuel pump could be malfunctioning
7. fuel filter could be clog
8. fuel accumulator could be faulty already
9. faulty fuel pump relay
10. fuel in the tank could be dirty
11. weak battery
12. dirty or corroded battery terminals
13. bad starter
14. loose wiring connection between battery, starter and alternator
Have these things check with your car, it could be one of this is your car's problem. Hope this might help!

http://www.clarks-garage.com/shop-manual/ts-01.htm

Car Won Start Copyright AA1CarYOU TRY TO START YOUR CAR BUT IT WON...

Hot and Cold When your Engine is Hard to Start
In order to surpass this problem and to prevent it as much as possible, learn how to solve it by knowing why it happens.

When a hot engine is hard to start, most of the causes are fuel related problems. 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.

Until after a while the engine was shut off, it would keep on acquiring temperature. The biggest amount of water vapor would be spreading around during this process. It therefore means that during this period, there are higher chances of its obstruction to the engine. So when you are driving in hot weather and you have just turned off the car and you experience difficulty in stating the engine, do not panic. Just wait for a couple of minutes and then start it back.

Because the fuel remains inside the injectors by being under a very intense pressure, engines that are fuel injected do not experience and suffer this problem as much as others do. In this case, fuel injected engines would not become so easily moved by vapors as compared to other engines. From this fact, it can be further deduced that auto mobiles may have different problems in starting their engines.

Another reason of a difficulty in starting a vehicle is the coinciding of the engine's hot temperature to a hot season like the summer. In this scenario, refiners alter from a fuel blend to another. Due to the process where in hot weather causes fuel to evaporate faster, gasoline refiners sometimes alter from a higher hot blooded fuel to a lower one when summer approaches. The fuel could evaporate too much that it would create too much vapor and would eventually inflict the engine. This instance happens when refiners alter back to a higher hot blooded fuel while the engine is still exposed to high temperatures of the summer season.

Now you know why hot engines are hard to start and what to do with it. What about if a cold engine is hard to start?

Difficulty in starting a cold engine is really a problem especially to those living in cold areas. This is experienced due to several reasons, and one of which can be based on the cold effect on liquids evaporation. Less gasoline is evaporated when the engine is cold. This causes the fuel to be more burdensome to burn due to the fact that it is burnt when it is evaporated.

Oil becomes much thicker in cold areas than in hot ones. This is another reason why cold engines are hard to start. Like any other fluids, oil alters its characteristics when it is heated or when it is in a very hot weather. Often times, this causes the oil to have problems at the time it circulates in the engine of the vehicle.

Other car parts that contribute to this problem are the batteries. Under a cold weather, the car batteries sometimes experience problems that consequently affect the engine of the car. When being cold, batteries loose their agility. This is because they do their jobs due to chemical reactions. And when they loose their agility, of course it means that they do not function well. Under these circumstances, the energy of the car is affected and so the engine start is also affected.

Another problem could be the air intake. Like in the case of your Dodge car, the Dodge cold air intake, it might not be functioning well that affects the performance of your engine.

If these problems happen together at the same time, they imply a huge problem in starting the engine.

Spray ether into the engine. Use one that would evaporate quickly and help the engine start. Do this to overcome the problem on the lack of gasoline evaporation. Aside from this, you can also use thin synthetic oils in order to prevent very thick oil that would not circulate well. You if can maintain the car from being isolated from cold, better!

May 21, 2015 | 1995 Buick Park Avenue

1 Answer

What causes my 1947 Chevy Truck to not start when warmed up


Here's what you seem to be saying. It does start when the engine is cold...cold enough to require choking to obtain needed fuel richness for starting. But then, when the engine has attained operating temperature, if you happen to kill the engine it will refuse to start. Logic and induction seems to suggest a flooding problem due to a choke that is not unchoking when it is not needed and is attempted to be released. So look to choke malfunction as the first problem needing to be resolved. Then, post again if the no-start problem still persists.

Oct 31, 2014 | Cars & Trucks

1 Answer

Cold start problem in cng kit car


the Cause is You dont have a Choke on the Air delivery Part Of you're Engine. If I knew the Engine and Year and Fuel type system I could Help More,

Jan 07, 2014 | Cars & Trucks

1 Answer

Leaking power steering fluid on cold start up


Metal shrinkes when it's that cold causing this,will have to just do what it takes to keep going.

Dec 30, 2012 | 2001 Ford Escape

1 Answer

I have the code P1400 and have had for over a year. I have, changed the gas cap, at my dealers suggestion, put in carbon cleaner, and had a fuel injection cleaner done, all at the suggestion of people who...


Cold Start Emission Reduction Control System

There are several things that few people know about starting cars in cold weather. 1. Check your battery to make sure it is not rusted, leaking, and has a charge 2. Jump start your battery with another car, even if you believe the battery is good, this often times will still start your car. 3. If your engine is cold, and you have an older car, ensure to get your fuel lines to the engine flushed or have fuel injection service performed 4. The engine tends to warp the same way wood does during the extreme cold, do not be afraid to continue trying to warm up the engine by constant cranks with it is cold out. Your not going to hurt the car, the worse that could happen is too much fuel will enter the carborator and cause flooding in the system to occur. Wait 20 minutes if this happens and start to crank again 5. Bad spark plugs are a major reason why many cars take a very long time to start 6. Please have your spark plugs removed and exchanged for new ones. Over time, spark plugs become fowled and prevent the car from starting even thou you hear cranking!!!

Jan 26, 2011 | 2007 Chevrolet TrailBlazer SS

1 Answer

2.0d x-type 2005 Est. Starting problems when engine is warm


Ok, time for car school. The vehicle is operated by the computer, every electrical concept that is. When the engine is cold, it starts fine because the computer has placed it in "cold start mode", putting more fuel into the engine than normally would until Once the engine is warmed up, a temperature sending unit or temp sensor tells the computer to change to normal run mode. IF said temp sensor is faulty and is not telling the computer to make said change, it stays in cold start mode, still dumping excess fuel in the engine that is now not required, cause it's warmed up. Like keeping the choke closed on older vehicles. Now I think you can answer your own question, when this no start action is happening after warm up and it always starts fine when cold, what's the first thing you check ? Right, the unsuspected temp sensor. Change that and no more start problem. Have a wonderful day. Glad I could be of service.

Jul 11, 2017 | 2005 Jaguar X-Type

1 Answer

2006 Jeep HEMI Engine. Very slow starting in cold weather!


try turning key on for about 15 seconds before you try to start

Feb 11, 2010 | 2006 Jeep Grand Cherokee

1 Answer

Audi A4 1997 has a cold a start problem, this only happens when its cold or on a rainy day,sometimes it will take the whole day to start,any suggestions pls


hook up a scanner to see if any data is not correct, You will need to do this with key on engine cold. A fuel pressure gauge could help also. If you have low fuel pressure you wont have enough pressure for a cold start when the most fuel is needed. Clogged injectors could also cause a cold start issue

Nov 23, 2009 | 1997 Audi A4

1 Answer

1990 Camry won't start


I wouldnt say wrong spark plugs but maybe the wrong gapping on the spark plugs.. Is the car parked in a garage? it sounds like maybe your fuel pump

Apr 23, 2009 | 1994 Toyota Camry

1 Answer

CAR SOMETIMES WONT START


you are having a fuel delivery problem...and it could be caused by numerous things...such as a bad fuel pump, a bad cold sensor or warm up injector.  You haven't attempted to  solve any of these suspected faults...so take it to a mechanic for repair

Apr 11, 2009 | 1991 Volvo 940

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