O2 sensor

From: Frank Ball (frankb@cougar.sr.hp.com)
Date: Sun Jul 14 1996 - 17:18:08 EDT


& I have an 89 4by with the 3.9l 6 in it.. I have headers with 2 1/2in pipe
& to the back with no cat's just muffelers.. I went to get it inspected and
& it failed the emissions test.. No Big Suprise there.. But I was surprised
& on how close it was to passing.. Does anyone know if a new o2 sensor
& would make it run leaner.. I mean having an old O2 sensor would make the
& computer make the truck run rich right? So a sensor my put me on the
& passing side?

Don't count on it. Since it almost passed smog the O2 sensor seems to be
working fine. A new one will probably work the same.

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Frank Ball 1UR-M frankb@sr.hp.com (707) 794-4168 work
Hewlett Packard (707) 794-4848 fax (707) 538-3693 home
1212 Valley House Drive Kawi KDX200, Yamaha XT350 YZF600R Seca 750
Rohnert Park CA 94928-4999 '95 Dakota SLT Club Cab V8 5-Speed 2WD
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