Date: 28 Aug 2001 09:40:05 -0500 From: dhinznopsamh.execpc.com (Dave Hinz) Subject: Re: O2 sensor & black smoke?
Fred Hess (surffnopsambeyq.arg) wrote: : I never measure resistance. Try this.. : OK.. here's the simple method I have used. I warm the vehicle up. I : should mention that you want a DVOM to test with. Fluke...check... : You want the : vehicle in closed loop. Then I look for changes in voltage. I'm : looking for .2 to .7 volts. This will fluctuate, right? Then, I can induce an air leak and it should show reaction to that as well, I seem to remember? : When the engine is turned off I'm looking : for .1 or less immediately. If there isn't a constant change in : voltage, or if it sticks high of low, your sensor is no good. Sounds simple enough, thanks. Amazing that something like this could last this long (220 or 230,000 miles) : It' works for me. I haven't priced the Bosch replacement lately but : can't imagine it costing more then $50.00. I wouldn't buy this from a : Saab dealer. I would replace it only with Bosch equipment. Thanks for the info, I'll let you know what I find. Dave