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Knock sensor failure 

 

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 Post subject: Knock sensor failure
Posted: Sat Sep 02, 2006 6:34 pm 
Getting Side Ways
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Thanks to muzzas excellent diagnostic unit I've found I have knock sensor failure in my EF XR6.
Is it hard to change?
Do they cost much?

What is it doing to my car while it is not working?

Keep in mind I only use ultimate 98 fuel.

Cheers

 

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Posted: Sat Sep 02, 2006 6:46 pm 
Fordmods Junkie
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not hard to change, just get under the car (passenger side) remover the starter motor (top bolt can be very fidly) then its in the block behind the starter motor.

dont know cost tho.

 

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Posted: Sat Sep 02, 2006 6:53 pm 
Getting Side Ways
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Isnt removing the starter a pain in the proverbial?
Will have a go at it.
Thanks

 

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Posted: Sat Sep 02, 2006 7:01 pm 
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i got to it from the front of the engine bay, under the manifold.
or atleast i got to the plug to unplug it.

i guess it depends how its failed.
i unplugged mine and the car was getting too much timing advance when the car was hot (detenation)

so i assume it could either be allowing loads of advance or retarding timing

 

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Posted: Sat Sep 02, 2006 7:04 pm 
Getting Side Ways
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Ride: BF XR6, BF XT Wagon

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I found it visually. I dont think starter needs to come out.
Mine doesnt look like its screwed in the whole way. I can see about 1 turn of thread.
I'll just take out the air box and get at it that way.

Cheers for the help guys.

 

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Posted: Sat Sep 02, 2006 7:16 pm 
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yeh, thanks to timmeh for lettin me have a go.

its amazing how many codes we just made up and wrote down. when we went though a 2nd time, none were the same, and half the first codes didnt exist.


i ended up with

214 CMP Sensor Input failed - cam sensor isnt it? heard these arent important


129 NO MAP/MAF change in goose - i think i *may* have been a little slow in goosing the throttle. ive unplugged my MAP sensor before and the ran ran like crap so im guessin it works.

167 No Throttle Position Change in Goose - same as above, may have been a little slow. i think mine works, car accelerates fine, drops back fine etc.

521 PSP Failed open - power steering? if mine works did i f**k up this test aswell?


all in all, i suck at tests

 

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Posted: Sat Sep 02, 2006 7:23 pm 
Getting Side Ways
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Yeah me and Gaz cant count so we had to have two goes. I think we got distracted by the flashing red light. It was so pretty.

 

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Posted: Sun Sep 03, 2006 7:58 am 
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lol
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