Bear with me - Saxperience

Chappers200 · 5th August 2012, 22:34

This may sound like a thick question but i have a temp sensor cable tied next to the left side of my battery as you look at it. Between the engine and the battery.

I was just wondering whether its suposed to be there and what it is? It has a green plug

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And while im at it, i take it that this is my coolant temp thingy, should it only have one wire coming from it?7

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monka · 5th August 2012, 22:44

green plug should be in the thermo stat housing, if its the one i'm thinking, get a pick up mate, will help identify it

AlexB^p · 5th August 2012, 22:55

deffo a lamda and the wrong one at that
blue plug with the green sensor on it should both be blue

and the temp sensor differs over the years but i think your cars a later model so should be 2 wires if im thinking of the right one

saxova · 5th August 2012, 22:59

Some sensor's came green..

My mk2 VTR only has 1 wire on that temp sensor. As doe's my mk2 S loom.

Your worrying over nothing

Is your engine management light on?

greyjasper51 · 5th August 2012, 23:00

please put bear hide as your interior!!!

would be sexy as!!!

Chappers200 · 5th August 2012, 23:01

looks like the guy who did a top end rebuild on the engine before i bought it was a bit of a thick shit.

So, just to clarify, what is the random sensor and where should it be?

As far as i know my model of car only has one lamda and thats plugged in properly although i do have a dodgy idling problem.

thoughts?

saxova · 5th August 2012, 23:06

What reg is it on? EDIT: it doesn't matter as we can clearly see 2 lambda's lol.

2001+ had 2 lambda's.. 1 before the cat and 1 after.

When people de-cat their car - they sleeve the 2nd sensor so it reads clean air and thinks the cat is still in the system / doing it's job.

This keeps the engine management light off.. and many people do that until mot - pop the cat back in - then the 2nd sensor after it.

Chappers200 · 5th August 2012, 23:10

oh for fucks sake, well my engine managemant light is on, the idle is dodgy and its going to fail an MOT then?

saxova · 5th August 2012, 23:14

You say it like it's a big job lol

Does it have a catalytic converter in the exhaust?

(one of these under the car: http://www.ebay.co.uk/itm/PEUGEOT-10...item231267fc6f)

Or is there one in the manifold?

It would fail a emission's test with no cat obviously. The engine management light could be something else.. but check to see if there is a cat under the car though.

Chappers200 · 5th August 2012, 23:22

yeh it does have a cat on it then i can see it under the car about handbrake level. So what on earth is that sensor for? my car is a 1999/2000 car btw so it wouldnt have a second lamda would it?

the idle is getting steadily worse to the point its bouncing 700 revs from cold in the morning

saxova · 5th August 2012, 23:28

Hmm, is there a threaded hole for it in exhaust system?

Would be weird if the prev owner has sleeved the only sensor lol

Prickle^p · 5th August 2012, 23:28

Silencers that far back?

afaik the cat is either in the mani or just after the down pipe ir is that what you mean?

Chappers200 · 5th August 2012, 23:37

no its just before the silencer by the looks, i may be judging distance wrong, its like:

-------(Cat)--(Silencer)-----------------------(BackBox)

Im staring to thing this random lamda could be the cause of my dodgy idle though because theres all sorts of stories of shit idles after decatting (i.e. losing a lamda)

Is it possible i have a two lamda engine with a one lamda mani?