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Forums › The Car › 206 Talk › Knock Sensor


 
 

Knock Sensor
Forum Index206 Talk
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SteveTDCi
PostPosted: Fri Sep 07, 2012 7:58 am Up
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Location: Stamford


HI Guys,

Any idea where the knock sensor is on the 1.4 8v, Its something i just want to check, apparently there is a part number for one but no idea where it is Smile

206 1.4 LX ... its called Vera and is built for abuse, but needs a few things, including hoovering out
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V9977
PostPosted: Fri Sep 07, 2012 8:03 am Up
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I think it's on the back of the engine below the injector-rail connector.

Why?

1.4i, 2001, 3-door, China Blue

Repair safely - Drive safely
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SteveTDCi
PostPosted: Fri Sep 07, 2012 9:17 am Up
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wanted to check it .... just to see if it could possibly be the cause if the running issues ....
206 1.4 LX ... its called Vera and is built for abuse, but needs a few things, including hoovering out
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V9977
PostPosted: Fri Sep 07, 2012 9:51 am Up
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I think it's a crystal-pickup, unlikely to get worn but let me know how you get on.

What are the running issues btw? Thread?

1.4i, 2001, 3-door, China Blue

Repair safely - Drive safely
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SteveTDCi
PostPosted: Fri Sep 07, 2012 11:04 am Up
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This one

www.206info.co.uk/Foru...49252.html

Just picked up a new crank sensor and map sensor ... £42 for the pair Smile

206 1.4 LX ... its called Vera and is built for abuse, but needs a few things, including hoovering out
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V9977
PostPosted: Fri Sep 07, 2012 2:45 pm Up
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Replacing each sensor with new ones is somewhat of a shotgun technique..
But at least you are definately sure you have covered possibilities and have brand new parts in there which will last.
Been there, done that and it costs. So at this stage my suggestions would be:

1) Check your valve tappet clearances first and foremost.
(they can easily cause erratic idling if valves are opening too much)
2) Make sure you have Bosch FR7DC+ sparks and don't mess with the gap.
(they are pre-gapped and the only one's for TU3 engine specified by Bosch)
3) Clean the injectors one by one yourself and save a load in the process.
They cannot be cleaned properly unless taken-out.
4) Headgasket ever been changed?

Or put it on eBay and finish with it.

1.4i, 2001, 3-door, China Blue

Repair safely - Drive safely
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SteveTDCi
PostPosted: Fri Sep 07, 2012 4:24 pm Up
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1) Check your valve tappet clearances first and foremost. - will try this when i get back from holiday, it does sound a little tappety
(they can easily cause erratic idling if valves are opening too much)
2) Make sure you have Bosch FR7DC+ sparks and don't mess with the gap. - erm, its got what came from euro car parts Smile they have been fine for the past 7 months though
(they are pre-gapped and the only one's for TU3 engine specified by Bosch)
3) Clean the injectors one by one yourself and save a load in the process. - will also do this when i get back from holiday, they are easy enough to get out Smile
They cannot be cleaned properly unless taken-out.
4) Headgasket ever been changed? - Yes, about 6 months before i got it, and it looks like it was cleaned out properly too.

AS for ebay, yep thats the plan Smile

To be honest the MAP and Crank sensor were a bit of a gamble, but for the price it was worth taking, and to be honest it has solved some of the fluctuations in idle speed - thats when holding it a 2000rpm, it seems to have made it smoother and revs cleaner so i wouldn't say its a total waste:)

206 1.4 LX ... its called Vera and is built for abuse, but needs a few things, including hoovering out
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V9977
PostPosted: Sat Sep 08, 2012 11:08 am Up
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SteveTDCi wrote:
AS for ebay, yep thats the plan Smile


OK, GL.

1.4i, 2001, 3-door, China Blue

Repair safely - Drive safely
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