Question about 1998 Lincoln Town Car
91 (engine running) heated oxygen sensor indicates system lean, left side
91 ( cont. memory) no heated oxygen sensor switching indicated, left side.
41 (engine running) lean right side.
41(cont. memory) no heated oxygen sensor switch,right side.
34 egr valve pressure transducer/position sensor sonic voltage above closed limit.
(tech. manual Haynes #59010)
Posted on Nov 12, 2009
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Posted on Jan 02, 2017
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