Peter Mutlow
Can you post the 4 gas readings at normal and fast idle please so we can see exactly what is going on. Is the fault code PO130 still present? From memory that indicates a lean mixture, but I would need to check that. A faulty MAF can trigger that. The oxygen sensor of 1.2v is too high as far as I am aware (0.8v approx is the max I would expect to see). This could be caused by a poor earth on the lambda sensor. How is the vehicle running?
Regards
Pete M
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Suzuki Grand Vitara 1.6 16v 2003 - Code P0130 - Fixed # - Ben Brixey November 13, 2012, 4:03 pm
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on November 28, 2012, 11:03 pm, in reply to "