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How to Replace the Lambda Sensor on a Fiat Punto

Model: Fiat Punto MK 2, 188 - Years: 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Part: Checks and maintenance

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Video tutorial

Is the Lambda sensor faulty? Let's see how to replace it on your Fiat Punto. Lift the front bonnet of your car and secure it. Remove the plastic engine cover panel with a screwdriver, then undo the securing nuts of the exhaust container.

Disconnect the power connector from the Lambda sensor and unscrew it using a suitable spanner. Disconnect the battery terminals.

Once the sensor is removed from its housing, compare it with the new part. Fit the new sensor using the appropriate spanner and reconnect the power connector.

Finally, refit the metal container and then the soundproofing engine cover.


Updated on 15 March 2026 by ScegliAuto


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by ScegliAuto

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