[V8] poor gas mileage

[dsaad at icehouse.net]

If it turns out to be the problem, can you do a pressure test on it? It would be
nice to get some data from a bad regulator to help with future diagnostics.

Dave


Quoting Ingo Rautenberg <IRautenberg at comcast.net>:

> Well, I just replaced my O2 sensor and it nary made a difference from having
> the O2 unplugged :-(  So now I switched pressure regulator from mom's car
> (even though mine is about a year / year and a half old) and so far it seems
> to be the culprit.  Will now test mom's car with my reg.  Better make sure I
> fill her V8 up before she runs out of gas...
>
> Will report back.
>
> Ingo
>
> ----- Original Message -----
> From: "Matt Smith" <smittypig24 at yahoo.com>
> To: <allanvega at adelphia.net>; <v8 at audifans.com>
> Sent: Wednesday, November 17, 2004 5:05 PM
> Subject: RE: [V8] poor gas mileage
>
>
> I replaced my O2 sensor about a year ago and I had that same problem a few
> weeks ago. Got about 10mpg. I got another new O2 sensor and it's back to
> normal, 20mpg just about everywhere. If figured it's only $30 so why not try
> it first. I didn't have to splice wires...everyone talks about the 4 wire O2
> sensor, when the one I used (ford taurus v6) works fine. Just my
> experience...
>
> -Matt
> Purcellville, VA
> "1990 V8Q" 103,000 Black/grey FOR SALE!!!
>
> -----Original Message-----
> From: v8-bounces at audifans.com [mailto:v8-bounces at audifans.com] On Behalf Of
> allanvega at adelphia.net
> Sent: Wednesday, November 17, 2004 9:35 AM
> To: v8 at audifans.com
> Subject: [V8] poor gas mileage
>
>
> Hello folks. This past week I noticed my gas mileage drop off a bit (8mpg
> city) the fpr and o2 sensor cant be more than a year old. I tried
> diconnecting the o2 sensor already(There was no differance in gas mileage)
> Here are the codes i pulled :
>
> 2342 (o2 sensor)
> 2341 (o2 sensor)
> 2322 air temp sensor
> 4431 idle stab valve
>
> I suspect fault wireing somewhere.  any help where to start would be a great
> help. Thanks. Allan
>
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