Quote:
Originally Posted by boaty
I have a 940LPT ex Demonstration model bought in 1996, the Lambda light is now lit , the engine cut out momentarily and now it runs perfectly with the lambda light on. My mileage is approx. 109,000. Do I need to replace the lambda sensor and please can you tell me where is it ? Also who is the best source of sensors if it needs replacing?
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First, read the codes. It could be the Lambda sensor but the light is an
Engine Management Light so could be any number of faults.
Secondly, remove fuse #1 for a couple of minutes to clear the codes and replace. Take it for a test run and see if the light comes back on. If so, read the codes again.
Given the mileage and age of the car, the Lambda sensor is likely to be dead or nearly so could be a wise move renewing it. If/when you do, pull fuse #1 for a minute or two afterwards to clear the old fuel trims and any fault codes.