Engine won't start

Tiny
TERE
  • MEMBER
  • 2007 MINI COOPER S
  • 4 CYL
  • 2WD
  • MANUAL
  • 3,000 MILES
Thank you for the answer, actually when I turn ignition ON, I can hear the fuel pump turning, a friend of mine advised me to put some injectors cleanser liquid in the fuel tank and force the ignition because it did not really run for two years so still same fuel.
Also, when I try to start the engine several times, I can smell fuel vapors at a time.
What about if I change the fuel pump relay, where is its location?
Thanks a lot again.
Saturday, August 20th, 2011 AT 8:08 AM

6 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
If you can hear the pump the relay is fine, i would drain the tank, lines and replace filter, add a little metho to the tank and fill with fresh fuel see how that helps.

Check out this guide

https://www.2carpros.com/articles/car-cranks-but-wont-start

Please run down this guide and report back.
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Saturday, August 20th, 2011 AT 3:31 PM
Tiny
TERE
  • MEMBER
  • 3 POSTS
  • 2007 MINI COOPER S
  • 4 CYL
  • 2WD
  • MANUAL
  • 3,000 MILES
Ok then, I will try this, could it be the inertia switch or cut off, something like this that I have to reset, I've heard about this also, I will let you know what happens.
Thank you for the help!
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Saturday, March 2nd, 2019 AT 1:34 PM (Merged)
Tiny
MHPAUTOS
  • MECHANIC
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Best post this reply on any original post so the tech that helped you will get the response.
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Saturday, March 2nd, 2019 AT 1:34 PM (Merged)
Tiny
TERE
  • MEMBER
  • 3 POSTS
  • 2007 MINI COOPER S
  • 4 CYL
  • 2WD
  • MANUAL
  • 3,000 MILES
Hello, my mini Cooper S R56 2007 won't start anymore, I do have fault and pend codes P0503, P0628, P167F. I have change the battery to see if it works but nope, any help? Thank you.
Good day!
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Saturday, March 2nd, 2019 AT 1:35 PM (Merged)
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
P0503 = Vehicle Speed Sensor "A" Intermittent/Erratic/High
P0628 Fuel Pump Relay Control Circuit Low Voltage

I would be checking the fuel pump first. See if you have pressuer in the system with the ignition turned on.
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Saturday, March 2nd, 2019 AT 1:35 PM (Merged)
Tiny
KISSAB16
  • MEMBER
  • 1 POST
I had to replace the crankshaft angle sensor. FYI
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Saturday, March 2nd, 2019 AT 1:36 PM

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