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Adaptive lambda control 1990

posted by  someone claiming to be Gerard on  Wed Aug 9 20:36 CST 2017 [RELATED]

I had that model for many yrs but never had that problem.
I would look up possible causes, look up the FAQ file, the 240 FAQ probably applies to the 740.

Link to FAQ is at the top of the page on the left side.

It could be many things, vac leak, O2 sensor etc.
Leaky injector etc.






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