Guest haltrapp Posted March 14, 2004 Share Posted March 14, 2004 I'm pretty sure my 1986 300zx nonturbo is running rich. It's having alot of very small backfires, slightly tough idle, and smells mildly like unburnt fuel. Any ideas how to a) be sure that's what it is, and remedy this? Quote Link to comment Share on other sites More sharing options...
Guest jjohart Posted March 15, 2004 Share Posted March 15, 2004 I dunno how to fix that, but I've got to chime in...my Nissan tech told me I'm running a bit rich as well, but gave no advice on how to cure that!! John-83 280ZXT (runs fine, but warm restarts are hell) Quote Link to comment Share on other sites More sharing options...
Guest haltrapp Posted March 17, 2004 Share Posted March 17, 2004 well, i've discovered the solution... my o2 sensors are extremely dead... replaced them all at $30 a pop. Car runs much better now. Quote Link to comment Share on other sites More sharing options...
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