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Matt
Matt, Mechanical Engineer
Category: Car
Satisfied Customers: 20588
Experience:  BEng hons Mech engineering, in auto industry 22 years
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I've had a slight bump on my mini cooper convertible 2004

Customer Question

Hi i've had a slight bump on my mini cooper convertible 2004 now the car wont start some one told me it could be the fuel cut off switch which is usally under the bonnet but theres not one on this years do your know where it could be Thanks
Submitted: 1 year ago.
Category: Car
Expert:  Shantal-Mod replied 1 year ago.
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Expert:  Matt replied 1 year ago.
hello 2004 was the changeover year for deleting the fuel cut off switchif your car has one it'll be at the back of the engine bay in the LH corner or the engine cowl / cabin intake vent if its not there check the fuseible link on the main battery terminal as this too can blow in an accident, if the car isn't cranking on the starter motor then this woudl back this up and the main battery connections should also be checked for tightness and corrosion
Customer: replied 1 year ago.
The starter motor dose crank over but will not start
Expert:  Matt replied 1 year ago.
hello OK that fits with no fuel supply so check for the cut off switch as mentioned earlier
Customer: replied 1 year ago.
There is no cut off switch
Expert:  Matt replied 1 year ago.
Ok if there's no cut off switch then the next step is to measure for 12V at the ECU fuse in the engine bayIf thats OK then use a pressure gauge to measure the pressure is at the fuel rail andif thats OK I'd consider replacing the crank position sensor as the next step
Customer: replied 1 year ago.
I have just gone out and started the car and it started first time it run for about 5 minutes now will not start again same problem
Expert:  Matt replied 1 year ago.
Hello OK if its intermiIttant like this then its likely to be a problem with the crank sensor I'd saybut check over the ecu power supply as I've mentioned
Customer: replied 1 year ago.
Would it have anything to do with the fuel pump
Expert:  Matt replied 1 year ago.
hello yes that too is possible which is why i've already suggested measuring the fuel pressure at the engine, this will show if the pump is healthy

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