Replacement oxygen sensor for your 90-93. – Flyin' Miata

Replacement single-wire oxygen sensor for 1990-93 stock computers. Plug-n-play installation. If you've found that your car is running rich and the fuel economy has dropped, this is a likely culprit. The sensors are long lived, but the failure is a slow one so you might not notice the problem immediately.

Yonaka Mazda Miata 1990-1997 2.5 Stainless Steel

Ultimate Mazda Miata Cold Air Intake Guide

AHaidet's '93 1.8 swap with FM kit and MS3x - Miata Turbo Forum

Ultimate Mazda Miata Cold Air Intake Guide

Mazda Miata 1990-1993 MSPNP Gen2 Plug and Play ECU

Mazda Genuine Idle Air Control Valve, Miata 90-93 1.6

Our replacement O2 sensor is different than most aftermarket ones because it has a Mazda connector on the end. This means a super-easy installation,

Plug-in front oxygen sensor for 1994-05

Light Weight Billet Aluminum Crank Crankshaft Pulley 90-93 Mazda

1990-1997 Mazda Miata Oxygen Sensor Replacement and Oil Change

90-93 94 95 96 97 99 00 01 02 03 04 05 MAZDA MX-5 MIATA R. FRONT