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Re: Bad O2 Sensor or just corrosion/bad ground? Posted by JimBlake [Email] ![]() ![]() ![]() In Reply to: Re: Bad O2 Sensor or just corrosion/bad ground?, Jeremy R., Sat, 27 May 2006 22:15:30 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Jeremy beat me to it, sorta...
I think some of the older NG900 cars use the exhaust pipe as the signal ground (3-wire sensor). But the '99 more likely has a 4-wire sensor. My 2001 uses a 4-wire sensor.
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