changed lambda sensor and cat. but emissions still veryhigh

Asked by Oct 06, 2012 at 08:50 AM about the 1998 BMW 3 Series

Question type: General

5 Answers

1,290

how many miles since plugs were changed?

1 of 1 people found this helpful.

changed plugs today they were 2 prong put in 4prong and changed airfilter

1,290

Did that work or was that before the test?

1 of 1 people found this helpful.

fitted after the test

1,290

Have you done another test to see if plugs work if they don't try map sensor

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