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2001 Mercury Sable No start

Tiny
ANGLYNETTE32
  • MEMBER
  • 2001 MERCURY SABLE
I was told that my knock sensor was bad and now that I have the part I'm trying to locate where it goes. Can someone please help me find the location of the knock sensor? A diagram would be a great help
Monday, November 11th, 2013 AT 1:06 PM

35 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Which engine do you have?
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Monday, November 11th, 2013 AT 1:37 PM
Tiny
ANGLYNETTE32
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  • 19 POSTS
3.0 V6 with U in the Vin #
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Monday, November 11th, 2013 AT 1:42 PM
Tiny
SATURNTECH9
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There is two of them knock sensor number one is on left rear of engine bellow the intake manifold. Knock sensor number two is on right rear of engine bellow intake.
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Monday, November 11th, 2013 AT 2:03 PM
Tiny
ANGLYNETTE32
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Would that have my car in a no start state?
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Monday, November 11th, 2013 AT 2:08 PM
Tiny
SATURNTECH9
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No it wouldn't so it cranks and won't start? Any odes in the computer?
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Monday, November 11th, 2013 AT 2:14 PM
Tiny
ANGLYNETTE32
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  • 19 POSTS
Not that I know of the check engine light never came on. It was starting up fine without any problems then on the same night it wouldn't start. The crankshaft sensors was changed and all the fuses were checked fuel line is clear and the power box was changed still no start.
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Monday, November 11th, 2013 AT 2:22 PM
Tiny
SATURNTECH9
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Do you have spark?What is the actual fuel pressure?
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Monday, November 11th, 2013 AT 2:40 PM
Tiny
ANGLYNETTE32
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  • 19 POSTS
I don't know the exact fuel pressure but it doesn't have any spark
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Monday, November 11th, 2013 AT 2:45 PM
Tiny
SATURNTECH9
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Do you ave injector pulse at the injectors?
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+1
Monday, November 11th, 2013 AT 2:52 PM
Tiny
ANGLYNETTE32
  • MEMBER
  • 19 POSTS
What is injector pulse? I know something was stuck inside the fuel line in the front of the car and fuel came out other than that I don't know
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Monday, November 11th, 2013 AT 3:14 PM
Tiny
SATURNTECH9
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The pulse is what opens an closes the injectors its a constant power and pulsing ground while cranking and with then engine running. Do you have a led test light?
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Monday, November 11th, 2013 AT 3:46 PM
Tiny
ANGLYNETTE32
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We have a standard one that lights up to see what has power to whatever is being tested. Is that the type of tester your speaking about.
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Monday, November 11th, 2013 AT 3:53 PM
Tiny
SATURNTECH9
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Yes you can use that with the key in the run position all the red wires going to the injectors should have power. Then the other wires should have a pulsing ground while cranking?
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Monday, November 11th, 2013 AT 4:08 PM
Tiny
ANGLYNETTE32
  • MEMBER
  • 19 POSTS
Ok what else can I look for to find the problem, and what other reason will my car not start?
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Monday, November 11th, 2013 AT 4:14 PM
Tiny
SATURNTECH9
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So do you have injector pulse and power to the fuel injectors?From that info I will give more tests. You have no spark that's one reason it doesn't start. Plus we don't know if we have the proper fuel pressure to start an run.I can't test an look at things that's what your doing for me.
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Monday, November 11th, 2013 AT 4:31 PM
Tiny
ANGLYNETTE32
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  • 19 POSTS
I will have to wait until tomorrow to finish checking. Once I check all the red wires I will contact you with results.
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Monday, November 11th, 2013 AT 5:12 PM
Tiny
SATURNTECH9
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You have to also check the other wire for a pulsing ground.
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Monday, November 11th, 2013 AT 5:29 PM
Tiny
ANGLYNETTE32
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For the pulsing ground how will I know if I have it or not? I can get someone to try to crank the car while I'm looking at the wires, but I need to know what I'm looking for.
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Monday, November 11th, 2013 AT 5:51 PM
Tiny
SATURNTECH9
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Take the alligator clip hook it to the positive side of the battery and test the none red wire at the injector connector crank the engine the test light should flash.
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Monday, November 11th, 2013 AT 6:10 PM
Tiny
ANGLYNETTE32
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  • 19 POSTS
There is power going to all the wires on the fuel injector
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Tuesday, November 12th, 2013 AT 11:02 AM

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