Lambda sensors - Where, Why and how Much ?

[Squash]

I'll stick out my head and say that most 4-wire sensors are the same functionally.  I'm running a
ford/bosch 4-wire post-cat sensor on a 454/1227730 and it works great.  Others have done the same.
 The problem is connectors, tho.  I've got a Ford connector on my GM harness now :)

Squash

--- "Malcolm Robb, LC 0112G" <Webmaster at lotus-carlton.fsnet.co.uk> wrote:
> Hi all,
> 
> I think my car may need new Lambda sensors. The ECU is a GMP4 1228331, - 
> same as in the ZR1 - and the car is fitted two, four wire jobbies. Just 
> been done the local GM dealer, and they want about 100 quid - ($160) EACH 
> !!!!!  Of course, all I can get from the dealer is the Vauxhall/Opel part 
> number, so I have no way of crossreferencing with Delphi/Bosch/Lucas etc to 
> get a better deal. So
> 
> Question 1. Are all 4 wire Lambda sensors basically the same, so it doesn't 
> matter which manufacturer I choose ? Even after market ones cost 50 quid 
> ($80) each, so its an expensive mistake if I get it wrong.
> 
> Question 2. Anybody got any Bosch or Lucas part numbers that are known to 
> work with the GMP4. Delphi part numbers also welcome, but it is usually a 
> problem to order direct from Delphi here in the UK - they often make you go 
> to Vauxhall.
> 
> TIA
> Malcolm Robb, LC 0112G
> 
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=====
Trains, Trucks, and EFI at http://www.trailrunners4x4.org/users/realsquash

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