MX5 Parts Spares - Product Review For - Mk1 MX5 Emissions 1989 1998 - Oxygen Sensor, Aftermarket Single Wire, With Plug, MX5 Mk1 1994
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Average Customer Review: 5.0 of 5 Stars! [After 2 Reviews]

Oxygen Sensor, Aftermarket Single Wire, With Plug, MX5 Mk1 >1994
Oxygen Sensor, Aftermarket Single Wire, With Plug, MX5 Mk1 >1994
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£40.78
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by Matt Parsons
Date Added: Friday 11 May, 2012
5 of 5 Stars!
I bought this as my car is just past 100,000 miles and has no evidence of a sensor change... This part comes with the correct plug so electrical connection is a piece of cake... More difficult is the removal of the old sensor, heat shield and air-con piping all get in the way. You will need a 22mm spanner/split socket (it would be helpful for mx5parts to list this on the website), as I didn't have the correct size :)

I have not noticed any change in engine operation, which is probably a good thing as the old sensor didn't cause any ECU fault codes... I hope to see some fuel economy, as I have noticed the idle, zero crossing at a slightly higher frequency, so it definitely has a faster response than the old one.