Will not start/crank with key have to disconnect battery for 10 seconds then reconnect turn key then it starts/ cranks what causes this?
SOURCE: 2002 bmw 530i starting problem
2002 530i radio i cant turn on
i press the botton and nothing hapen i look the fuses on the trunk and the are fine is other suses some place else please advice
SOURCE: 1994 525i BMW, it cranks but it won't start
Dear prettydwilli, Friday 02-20-2009 11:17pm EST (USA)
Could be a fuse or a relay or fuel system gunk in cold weather!
Try a can of Starter fluid sprayed in the air filter!
If it starts and stays running it could be just gunk or junk in the gas tank!
Do you ride til the tanks empty?
If so fill the tank with high test or just get the starter fluid and some expensive ($10) fuel system cleaner to add to your tank and try it again!
If this doesn't work look for a bad relay or fuse at your local auto parts store. Advance Auto Parts is my favorite....they will probably tell you where the relay is located and may let you return it if it doesn't work. They're very helpful!
jack
SOURCE: 2000 Toyota Corolla wont start Changed 02 sensor disconnected bat
Check your alarm. because the alarm system has a engine immobilizer which makes the engine do what you are experiencing. Take the car to the dealer and tell them what is going on and they will reset the car system.
SOURCE: 2003 BMW 325i - Car won't start. It will crank the (rrr rrr rrr)
Get a DTC scanner and see what it says...in the meantime, check that fuel pump relay and fuel pump. The humming sound is probably the heater blower motor or part of the HVAC system winding down after disconnecting from power.
SOURCE: bmw 530d e39 2002 car
Most probably its a low fuel pressure related problem.Get the fuel pressure checked.If its low then this is faulty fuel pump and clogged fuel filter issue.the other possibilities are,----- A car that cranks over but doesn't start, in many cases will be
due to a bad fuel pump, a broken timing belt, an inoperative cam sensor or
crank sensor. Also this problems are related to faulty spark plug. Check the
spark at spark plugs when you start the car. Do you notice any spark. Actually
you should see. If in case there is no spark then it's a spark plug problem.
Also the coil pack gives power to spark plug. So check the voltage at coil pack.
It will show 12 volt.If there is no voltage noticed at coil pack then its
faulty coil pack that has to be replaced.If all the possible options checked
out ok then check the car starter. The starter gets power from battery to start
the care. If the starter is faulty then it will not let the car to start. Also
check and confirm that there is fuel in the car. If it very low fuel then in
some cases this causes the problem. Also check and confirm that fuel pump is
functioning properly and the fuel filter is not clogged. One of the easiest
ways to check for a fuel pump related problem is to spray a little starting
fluid into the air intake while trying to start the car. If the car starts
momentarily, then there's a good chance the fuel pump is not working or the car
is out of gas. You can also listen for the fuel pump's humming sound when the
key is first turned on. Also if a inoperative fuel pump is suspected, a good
technician will always check to verify there is power and ground being supplied
to the pump, to eliminate the possibility of a bad relay or electrical issue.
Fuel pressure can be checked with a pressure gage and if there is pressure,
pulse can be checked at the fuel injectors in several ways including the most
common, with the use of noid lights. If the injectors don't have pulse the
engine won't start. ---------- This troubleshooting tips will help you to solve the
problem.Thanks.Helpmech.
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