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944S2 89model Lamda O2 sensor location?

peanut

peanut

Active member
Does this model have a 02 sensor ? or is it only fittted to US models

I can't get underneath the car at present so I may have missed it but I cannot find the location of an 02 sensor. I believe its supposed to be at the manifold /exhaust pipe junction . i'm beginning to wonder if the car has one ?
Haynes manual show a 3x wire 02 sensor on the schematic but state '(USA only )' however Design911 list a Bosch part No 944 606 13 502

Its one of the many componants that most 944 owners are blissfully unaware of .......until the wheels fall off [:D]






 
I think it's not fitted to earlier ones but is fitted to later ones with catalytic converters. Although I may be confusing it with a lambda sensor or something else. Or may well be simply wrong.
 
Its easy to tell if you have one. There is a round connector in the engine bay next to the crank sensor connector, if it has a plug with a wire loop on it, no sensor is fitted. Otherwise the wiring will disappear down the back of the engine.
 
zcacogp said:
I think it's not fitted to earlier ones but is fitted to later ones with catalytic converters. Although I may be confusing it with a lambda sensor or something else. Or may well be simply wrong.
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Hi oli hows life the universe and everything ?

Until I did some checking on the net I thought that the Lambda and 02 sensors were different too ! Why they have to have 2-3 names for the same thing beats me. I blame the yanks .... gas for petrol hood for bonnet they speak another language [:D]
 
LarJammer said:
Its easy to tell if you have one. There is a round connector in the engine bay next to the crank sensor connector, if it has a plug with a wire loop on it, no sensor is fitted. Otherwise the wiring will disappear down the back of the engine.
Click to expand...
Ah ha !....

i wondered what that plug and bypass was for . thanks for putting me straight lar you just saved me a ordering an 02 sensor and taking out a second mortgage ...

I've owned 944s for 2x decades and there are still numerous componants and wiring connectors I have no idea what they do .! its about time I went through everything and found out ........
 
Peanut,

All's well here, thanks. Always good to read your posts on this forum. How's tricks with you?

And thanks for the edducayshion (say it out loud ... ) - I always thought that Lambda and O2 sensors were different too! Amazing what you learn, eh?


Oli.
 
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