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Lights are on, engine spins but wont start

Tiny
SLED1958
  • MEMBER
  • 2005 MERCURY MARINER
  • 106,000 MILES
My 2005 Mercury Mariner will not start. When I turn the key the engine will free spin but will not turn the motor over. What can I look for to solve this? I can turn the key and all my lights and radio work but it will not turn over. The engine is free spinning, all belts are moving.
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Sunday, November 13th, 2011 AT 5:32 PM

4 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,724 POSTS
When you say "free spinning" do you mean it sounds like it is turning faster than normal with no compression? If not, and it sounds normal, check to see if you are getting spark and fuel to the engine.
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Sunday, November 13th, 2011 AT 5:34 PM
Tiny
SLED1958
  • MEMBER
  • 5 POSTS
Yes that is what I mean that it is spinning faster than normal and there is no compression.
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Sunday, November 13th, 2011 AT 5:37 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,724 POSTS
It sounds like a broken timing belt.
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Sunday, November 13th, 2011 AT 5:55 PM
Tiny
SLED1958
  • MEMBER
  • 5 POSTS
It's neither the sepentine belt or timing chain
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Monday, November 14th, 2011 AT 6:49 PM

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