Originally Posted by martin850
(Post 10214319)
Have you got the £80 one fitted on your car then Jon?
Think I have got a spanner that big floating around at home :wonder: I have a Denso one fitted to mine that looks the same based upon the part numbers. I paid nearer the Import Car Parts price though. Denso is the factory spec equipment only difference is you can get it with a subaru parts label for a lot more cash:eek: Ricky, you cannot turn off the precat sensor even running a decat as this is how you measure the stoich point whilst running off boost. The second lambda sensor is a check sensor so can be disabled as this may throw a fault code if you run a decat. |
Great thanks for clearing that up mate. Will order it later and get my hands dirty at the weekend :thumb:
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Contact this company,this company selling Denso Lambda sensor for good money
http://www.worldcarparts.co.uk/CarPa...4/Default.aspx Jura |
Thanks Jura, going to order one from them later today :thumb:
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If you need a big spanner give me a shout and I'll sort Ricky's number out for you:D
I have one in the garage if he's not available:thumb: |
Originally Posted by JonMc
(Post 10214656)
If you need a big spanner give me a shout and I'll sort Ricky's number out for you:D
I have one in the garage if he's not available:thumb: Thanks Jon :thumb: |
Just go from the top to do it mate.
Peel back the arch lining and hey presto. Steve |
There's a small panel on the drivers side arch liner that you remove for easier access as it is usually in the headers rather than the downpipe on a bug, unless it's been moved and rescaled when the exhaust was fitted:wonder:
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Thanks for the "how to" guide guys it sounds more awkward than difficult. I didn't get around to ordering it today so will sort it tomorrow for a Saturday delivery. Fingers crossed the weather stays dry.
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Weatherman says 24 degrees on Saturday:thumb:
Fiddly is right, difficult it certainly isn't:D |
:luxhello: hopefully it won't take much longer than an hour as long as I can get the old one out :eek:
WD40 and brut force will be the order of the day me thinks ;) I have found a 19" spanner so far, is the enough room for an adjustable spanner? |
I recall buying a large ring spanner because the adjustable wouldn't fit:wonder:
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I have just read a how to guide with pics and it is pretty tight down there so you are right about the adjustable not fitting. It also said that a 22mm spanner is needed to remove it.
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22, 24, what's 2mm between friends:D
If you need one I have the right size because I've done mine:thumb: |
Originally Posted by JonMc
(Post 10214362)
I
Ricky, you cannot turn off the precat sensor even running a decat as this is how you measure the stoich point whilst running off boost. The second lambda sensor is a check sensor so can be disabled as this may throw a fault code if you run a decat. |
Originally Posted by rickya
(Post 10215409)
I thought that was the one Martin was on about. It went on the blink on mine a couple of months ago.
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:lol: :lol:
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lol :norty::p:Whatever_
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Sensor all ordered should be here tomorrow :luxhello:
Will the CEL light go off once I fit the new sensor? |
It will eventually once the fault has gone away - on vauxhalls you have to restart the car three times. It would probably be better to reset it with a reader if you can get access to one again.
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Great, will see how it goes next week and if no joy give brownpantsracing a shout :thumb:
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Question: what effect will the sensor in the headers going kaput have, apart from a fault code, and the same question for the sensor in the second cat?
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The first is used as a part of the closed loop with the MAF to regulate the fuel mixture off boost to keep the ratio at the stoich level (14.7:1 - air:fuel). Without this car can run lean or rich.
The second sensor is a check sensor to confirm the emissions coming out of the CAT and will identify if the CAT is on it's way out. For cars with a decat any codes relating to the second sensor can be disabled:thumb: |
Originally Posted by JonMc
(Post 10216877)
The first is used as a part of the closed loop with the MAF to regulate the fuel mixture off boost to keep the ratio at the stoich level (14.7:1 - air:fuel). Without this car can run lean or rich.
The second sensor is a check sensor to confirm the emissions coming out of the CAT and will identify if the CAT is on it's way out. For cars with a decat any codes relating to the second sensor can be disabled:thumb: Jon, in theory then, as I have a decat I can have the check sensor o/p disabled with no effect? Also, and more importantly, as i have the PSI3 now, should I see AFR at idle as you have indicated above, 14.7:1? Would any wildly lower or higher figure indicate the sensor at the headers is on its way to the bin? |
Originally Posted by JonMc
(Post 10216877)
The first is used as a part of the closed loop with the MAF to regulate the fuel mixture off boost to keep the ratio at the stoich level (14.7:1 - air:fuel). Without this car can run lean or rich.
The second sensor is a check sensor to confirm the emissions coming out of the CAT and will identify if the CAT is on it's way out. For cars with a decat any codes relating to the second sensor can be disabled:thumb: |
Originally Posted by Myles
(Post 10216888)
Martin, sorry to hijack here.
Jon, in theory then, as I have a decat I can have the check sensor o/p disabled with no effect? Also, and more importantly, as i have the PSI3 now, should I see AFR at idle as you have indicated above, 14.7:1? Would any wildly lower or higher figure indicate the sensor at the headers is on its way to the bin? On the PSI3 you should see a lambda reading of 0.97-1 at idle (and arguably whilst driving off-boost) but nothing much beyond that - those figures also represent the tolerance required for an MOT pass. The readings will be very different from those under either boost conditions (it will run richer) or whilst engine breaking (it will run lean). |
Originally Posted by martin850
(Post 10216889)
Think mine is running rich because of the sensors progressive failure, used a quarter of a tank of fuel just getting to uxbridge and back when I met Steve the other night :eek: and that was driving conservitavley!!!
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Thats reassuring to know. Will post up how I get on with it.
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If you need to remove light again after fitting mate let me know.
Steve |
Originally Posted by Stevesbluewrx
(Post 10217280)
If you need to remove light again after fitting mate let me know.
Steve |
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