AN920 Posted May 27, 2007 Report Share Posted May 27, 2007 Recently a friend Quote Link to comment Share on other sites More sharing options...
audioguru Posted May 27, 2007 Report Share Posted May 27, 2007 My old car passed the emissions test. But when I drove away I floored it which left the testing place filled with too rich black smoke! Quote Link to comment Share on other sites More sharing options...
AN920 Posted May 27, 2007 Author Report Share Posted May 27, 2007 Oxygen senser feedback is disabled while engine is still cold or full-throttle operation. Max power requires a rich mixture. Quote Link to comment Share on other sites More sharing options...
ante Posted May 28, 2007 Report Share Posted May 28, 2007 My old car passed the emissions test. But when I drove away I floored it which left the testing place filled with too rich black smoke!You have a diesel, right? ;D Quote Link to comment Share on other sites More sharing options...
audioguru Posted May 28, 2007 Report Share Posted May 28, 2007 You have a diesel, right? ;DNo, I don't drive a stinky, noisy diesel. It was a '75 Volkswagen Rabbit. It was made for California with a deluxe catalytic converter that lasted only a couple of months. It frequently backfired which broke the catalytic and the mechanics did not know why. Sometimes it made black smoke and other times it backfired. Quote Link to comment Share on other sites More sharing options...
ante Posted May 28, 2007 Report Share Posted May 28, 2007 Stinky and noisy diesels?... Must be a long time since you seen or heard a diesel car, just about when that Rabbit of yours was new! :D Quote Link to comment Share on other sites More sharing options...
audioguru Posted May 28, 2007 Report Share Posted May 28, 2007 A neighbour has a new Volvo diesel powered car. It stinks and makes a noisy racket like an old Ford truck. Hey, it doesn't smoke. Quote Link to comment Share on other sites More sharing options...
ante Posted May 29, 2007 Report Share Posted May 29, 2007 There is a perfectly logical explanation for this: Volvo is since a few yers completely owned by Ford! ;DBTW, for the topic; Bob Blick has something to add about oxygen sensors here:http://www.bobblick.com/techref/projects/o2sensor/o2sensor.html Quote Link to comment Share on other sites More sharing options...
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