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Re: How to reset the code on 740il 2001. Car will not...
You would need a obd2 compatible scanner. You can try disconnecting the battery for 15-20 mins but I don't think that will help you. Did you check if you are getting power to the starter motor?
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You'll need the vin from the 740il or perhaps a code on the radio or even the s/n ?n the radio and a dealer can help you. You may have to indicate to the dealer the radio wasn't stolen/hot.
2001 bmw 740iL with code p1441 is the leakage diagnostic pump, you will need to check the connection to the pump and also test the evap system for any leaks, you may have a leak in the system, may be a loose gas cap or a line leaking, this system is for the fuel vapors, there are lines that run from the fuel tank to engine and is filtered into a canister and theres valves and leakage pump in lines, a smoke machine would be needed along with a scan tool to check valves and get readings from system.you can check the gas cap and look around for broken lines. good day
It doesn't have to be the security. a dead battery won't let the car crank either. With a security problem the car will crank but not start. The security can be reset if the battery is charged and up. Turn the key on ( do'nt crank ) the security light will stay on if it needs to be reset. If it remains on leave the key on for 15 minutes around then it will go out. turn the key off and then turn it right back on, the security light will be on again. Leave the key on till the light goes out again, then turn it off then turn it back on , wait again when it goes out turnthe key off then right back on then crank the engine and it should start. With a scanner the code will be security neweds to be reset. Thia is all anyone can do to reset the security and it's what you were charged $450 for. Following directions.
This is due to a clogged oil pan filter and gunked up lifters. Remove oil pan and clean screen filter. Use and internal engine cleaning solution before your next few oil changes to clean valves and lifters.
A tune-up and throttle body clean-up is a good idea, but mind you on those cars, the valve covers usually leak into the spark plugs and coils, causing the car to misfire. If you are replacing the plugs and find them soaked in oil; replace your valve cover gaskets or you will be back to the same problem soon after the oil soaks the new plugs back up again.
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