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Author Subject: Engine sensor identification
farmer

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Location: Southend On Sea

Registered: 20 Aug 2005

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Post #1
Hi all, need a bit of assistance to identify 4 sensors on my engine. Mostly out of curiosity as to what they do, but also because the wires to sensor B are broken so I want to know what it is, so I can replace it.

Also, is the blank on the sump (location D) where the oil temp sensor would go?
This is a phase 1 lump, so only got oil pressure at the moment. Have a oil temp sensor and gauge, but just want to make sure I put the sensor in the right place while I have the engine all exposed.



EDIT, I think that sensor E is the oil pressure, and sensor A is the knock sensor, although I may well be wrong so feel free to correct me.

Cheers

Chris

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Posted 25th Apr 2009 at 03:13
sacko_gti6

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Post #2
Look in the FAQ section Thumbs up

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Posted 25th Apr 2009 at 03:05
Rich E Forum Admin

Location: Hertfordshire

Registered: 27 Apr 2005

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Post #3
sacko_gti6 wrote:
Look in the FAQ section Thumbs up

The FAQ only covers the sensors visible from the top of the engine.


A - knock sensor
B - oil level sensor
C - oil pressure for gauge (phase 1 only)
D - oil temperature (phase 2 & 3 only)
E - oil pressure switch for warning light

There's a wire exposed on both of the oil level sensors I've got so I just assumed that's how they are. Mine works like that, anyway.

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Rich
Posted 25th Apr 2009 at 03:25
farmer

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Post #4
Cheers Rich, There is indeed a sensor in location E, so judging by what you have listed, I have 2 oil pressure sensors? Both were connected up to the engine bay loom.

I cant see how my level sensor would have been working correctly, as both wires had no insulation on the lower part and the cores were twisted around one another, so giving a false resistance surely?

Anyway, atleast its not an essential sensor, so I think I'll just leave it be. Dont pay much attention to that level check anyway; always use the dipstick.

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Posted 25th Apr 2009 at 03:25
farmer

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Post #5
Rich E wrote:
sacko_gti6 wrote:
Look in the FAQ section Thumbs up

The FAQ only covers the sensors visible from the top of the engine.


Thats what I thought, so I when that was posted up I thought I had been made to look like a cnut. I try to check these things out first if I can by searching generally...

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Posted 25th Apr 2009 at 03:27
Rich E Forum Admin

Location: Hertfordshire

Registered: 27 Apr 2005

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Post #6
farmer wrote:
Cheers Rich, There is indeed a sensor in location E, so judging by what you have listed, I have 2 oil pressure sensors? Both were connected up to the engine bay loom.

Yeah, the warning light and the pressure gauge have different sensors. My edit clearly wasn't quick enough! Laugh

farmer wrote:
I cant see how my level sensor would have been working correctly, as both wires had no insulation on the lower part and the cores were twisted around one another, so giving a false resistance surely?

Fair point if it's that bad. As you say though, as long as you've got the dipstick and check it regularly it's not essential.

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Rich
Posted 25th Apr 2009 at 03:33
farmer

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Post #7
Sorted Thumbs up

Cheers Rich, I can carry on with building the boosted beast now and forget about the oil level sensor issue now then Smile

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Posted 25th Apr 2009 at 03:35
Denis

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Location: Cambridge

Registered: 07 Sep 2004

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Post #8
Rich E wrote:

A - knock sensor
B - oil level sensor
C - oil pressure for gauge (phase 1 only)
D - oil temperature (phase 2 & 3 only)
E - oil pressure switch for warning light


I think that it should be:

C

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Posted 25th Apr 2009 at 03:43
Rich E Forum Admin

Location: Hertfordshire

Registered: 27 Apr 2005

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Post #9
I've just had a look on Service Box and the location of the sensors is shown as the same places on all the drawings so it certainly doesn't look like they swap over.

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Rich
Posted 25th Apr 2009 at 03:52
Denis

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Post #10
Rich E wrote:
I've just had a look on Service Box and the location of the sensors is shown as the same places on all the drawings so it certainly doesn't look like they swap over.


I have not looked on service box, but what I do know:
- E is oil pressure gauge on phase 1 engine that we used in Ash

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Posted 25th Apr 2009 at 04:07
eddy_gti6

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Post #11
can you remove the oil pressure gauge on phase 1 engine and replcae with an afretmarket oil pressure guage or wil it cause any problems?

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