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Turbo o2 Sensor

Eldavo said:
I thought only the US cars had these?
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My 1990 car has one and typically its different to the ones fitted to other models. Porsche want approx. £150 but I think I have just found one newly listed on e bay for £70.
 
I use a good Bosch one myself...not cheap but an important item for a modified turbo
 
Aye its a Bosch one I have just bought. Annoyingly my uego failed for the afr and I noticed since working on the car its occasionally a bit lumpy, I had the o2 sensor off during the recent works and spotted the cable was quite twisted up plus I doubt its ever been changed so I figured its a good time to start again with a new one.
 
The original narrow band sensor is mounted quite high on the downpipe so you probably wouldn't see it unless you were looking for it.
 
My 88 didn’t have one, been running a wide band for a while now though - first the Innovate AFR and now for the VEMS.
 
My aem afr is reading 11 at the moment but the diagnostic blink code is telling me the sensor is duff. The car did fail the mot on emissions which I sorted with the service and re tracking the afm, my aem was duff before the mot but I figured it wouldn't hurt to change the o2 sensor after 165k.

Since filling the car to exactly half a tank I managed 220 miles to the fuel light come on with bouts of mile boost, its been a while since driving it any distance, does that sound about right for a "tweaked" turbo?
 
I get about 40 miles for a tenner running similar spec to you. Dead easy to work out that way! That's using v power btw.

Half a tank is about 45 quid currently, so that's on the money 220 miles.

Stuart
 
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