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Porsche > Boxster 986/987/981 (1997-2016) > Exhausts >

Lambda Sensors / Probes

Lambda Sensors / Probes

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Screw plug for lambda hole, M18x1.5 mm. Porsche 924 / 944 / 993 / 996 GT3 / 986 Boxster / 997 - 90021901500 - 1620350100
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Screw plug for lambda hole, M18x1.5 mm. Porsche 924 / 944 / 993 / 996 GT3 / 986 Boxster / 997
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90021901500/1
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Product Information
Screw plug for lambda hole, M18x1.5 mm.

oematch

Fits:
Porsche 924S 2.5L 1987-88 (Engine M44.09/M44.10)
Porsche 944 2.5L 1987-90 (Engine M44.09/M44.10)
Porsche 944 Turbo 2.5L 1985-91
Porsche 944S 2.5L 1986-88 (Engine M44.40)
Porsche 944 2.7L 1988-89
Porsche 944 3.0L 1988-91
Porsche 996 GT3 3.6L 1999-05
Porsche 968 3.0L 1991-95
Porsche 986 Boxster 2.5L 1996-99 (Engine M96.20)
Porsche 986 Boxster S 2.7L-3.2L 1999-04
Porsche 993 3.6L-3.8L 1993-97
Porsche 997 3.6L 2004-08 (Engine M95.05)
Porsche 997 3.8L 2004-08 (Engine M97.01)

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Diagram ref no 20

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About Lambda Sensors / Probes

Lambda sensors (also widely known as Oxygen sensors) on your Porsche are fitted to measure the oxygen level in the emission gasses. They are designed to help your Porsche's engine to constantly monitor the efficiency of your cats and fuel to air ratio in the intake system to help the engine run smoothly. If one of those sensors was to fail on your Porsche it could trigger poor performance and abnormally higher emissions from your engine.

It is also advised to get new oxygen sensors if you are up for a change of the exhaust system on your car as often the thread shears off and refit of old sensors is not possible.

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