Enables technician to test exhaust back pressure through oxygen sensor.
Oxygen sensor adapters includes M12 and M18 threads.
The special 2-1/4" gauge with rubber protector has two multi-colored bands-idles 2500rpm, with pressure shown in psi and bar.
Oxygen sensor adapters includes M12 and M18 threads.
The special 2-1/4" gauge with rubber protector has two multi-colored bands-idles 2500rpm, with pressure shown in psi and bar.
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