So replacing the MAP seemed to cure the idle issues i was having but plugging the lambda back in has partially bought them back. I think perhaps both the MAP and the Lambda were screwed....

It's overfueling a bit so as i have a spare lambda im gonna change that and hope for the best... problem is getting the fooker off!!

Im thinking this method a it's properly seized....

- Get some rust/bolt penetrant stuff on it overnight (does this stain driveways by the way?)
- Cut the lead at the top of the sensor.
- Get a socket on the sensor.
- Attach the biggest breaker bar i can find.
- Try desperately to get it off.

What do we think, any tips?

Also should i avoid doing it with the car jacked up if i can? Don't wanna rock the thing so much it falls off the axel stands or something

Many thanks, with a little bit of luck the beast will be working smoothly soon

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Just Drive It

Will give it a try with some heat rikky, just need to watch out i don't burn myself

I can also take the CAT off although it's a bit more of a ballache so would like to try and avoid Probably worth the hastle though as it means getting the job done properly

Now just to find some time to do it

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Just Drive It

Yeah thanks for that mate

Nearly had a heart attack when i opened the envelope to see nothing, took me a few seconds to realise it had been folded over and the sensor was hidden

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Just Drive It

Heat and decent vice grips. But before munching it I'd probably go with cutting it off and popping a socket over it.

Couple of Weetabix before wouldn't be a bad idea.

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Senior Test Automation Engineer for the 306GTi6 Owners Club Forum

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306 rallye reproduction decals (full sets/individual decals) | 306 b-pillar textured vinyl weatherstrips
306 slam panel esso stickers | 306 yellow / orange / pension fund red side door badges
gti6 inlet manifold badges | 306 rear boot badges (p2/p3)
winner of Extraction of toys from prams with outstanding vigour award 2009 [source: gti6 owners club]

Noted I have sort of owned the car for over 12 years now though and i know for a fact the lambda hasnt been changed for nearly 10 of those, it's highly lkely it's finally given up

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Just Drive It

The older they get - the more reluctant they are*





*Rikky's words.

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Senior Test Automation Engineer for the 306GTi6 Owners Club Forum

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Thanks Fletch, good to see you are still hanging around mate

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Just Drive It

WHAT HE SAID

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Senior Test Automation Engineer for the 306GTi6 Owners Club Forum

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You might be pleasantly surprised, I'd try first with it on the car, you may find it comes undone without the need to remove the pipe. Obviously if it doesn't then you will need to remove the pipe, but it's worth a go first.

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"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone

In true speedy fashion, six years on i have finally just got this f**ker off!

I had to remove the cat (in two parts with the custom exhaust) but the bolts to the manifold were all corroded and buggered so had to slowly and painfully cat away with them at a dremel to get them off. Once that was off i was lacking a beefy enough vice so decided to drive over the little bit of pipe where my sensor is screwed in to hold it down in place, 20mm socket and a huge breaker bar and bam it came away

So to summarise an oxygen sensor that's probably been on for the life of the car and a section of exhaust that's probably never been unbolted from the manifold since it was bolted together in the first place = an absolute nightmare

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Just Drive It