[V8] oxygen sensor

[James Bass]

APWI AP342 (AP3-42) Oxygen Sensor $34.79

That was the part I bought last month to do mine (from Rockauto).
Correct ends, no butchering... If I remember correctly, the cable was
a bit long, but this was not a problem.

If you are going to butcher wires, just remember, most O2 wires are
made from stainless steel, so you won't be soldering them

Also, if you don't already have it out, be sure to use some good
penetrating oil, let it soak, then CUT THE LEADS OFF the old one, and
use a BOX END WRENCH on it (you aren't keeping the old one anyway!).
It seems everyone tries to use the "O2 Wrench" with the cut-out for
the wires for removal.  That's fine, if you HAVE to use it, but you
don't on the V8.  Those things are usually el-cheapo wrenches anyway,
and I've seen them slip/round off/break/etc. so why bother?

HTH

--j


On Wed, Jul 18, 2012 at 7:38 PM, Chris Brown <sacheldog at hotmail.com> wrote:
> I got the 1990 v8 up on ramps tonight and gave the old oxygen sensor a good soaking. I didnt attempt to remove it.
> Upon further examination i noticed the unit in the car has 2 whit and 1 black wires. The unit i purchased is only 1 white and 1 black. I dont think im going to put this one in. (it was cheaper by about 35 dollars)
>
>  The car is running way to rich once it warms up. Even more so since i changed the fuel filter.  (more fuel) i suppose. Its also getting awful gas mileage. At times its running so poor at idle when warm im wondering if she's firing on all 8. So i pulled plugs one at a time and all 8 are firing. Its a subtle difference but there is a difference when wires are pulled one at a time.
>
>  When i start the car when engine is entirely cold, it runs great for about a minute. It also seems to run great over 3000 rpms. Which is hard to do sometime in Connecticut traffic.
>
>  I had a bad distributer cap and the result was a red hot CAT a few months ago. That issue has been fixxed but i think i must have ruined the o2 sensor that day.
> How much would a shop charge me to pull all codes?
>
>  I need to get this this thing running perfectly for the winter season.
>   thanks
>    Chris 1990 v8
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