Having grown up in Southern Oregon I never had to worry about smog
tests, now that I'm up in the Seattle metro area I'm going to have to
get it done in a few weeks...but this thread is making me a little
nervous, but it's good to hear some of the tricks.
Dustin Williams
1994 Dakota SLT 4x4 V8
Tacoma, Wa
On 9/27/07, Rick Barnes <rascal@scrtc.com> wrote:
>
> Holy crap, I hate hearing all that crap that you guys have to go through for
> a worthless smog test. It is nothing but a ploy to make people trade in
> their cars for newer cars. There is absolutely no proof that smog testing
> cars has made the air one bit better. It is nothing more than a tax. Heck,
> for one lousy ppm, you have used a zillion ppm driving around trying to fix,
> how does that make any sense to air pollution? Sorry guys, I just think its
> big brother getting in our cars and lives.
>
> Rascal
>
> -----Original Message-----
> From: owner-dakota-truck@bent.twistedbits.net
> [mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of GMBlows
> GMBlows
> Sent: Thursday, September 27, 2007 5:49 PM
> To: dakota-truck@dakota-truck.net
> Subject: DML: Re: Re: 94 Dak 5.2L Cat Converter Air Pump or Air Switch
> Valve?
>
>
> How about the ignition system, plugs, wires, cap, and rotor?
> A slight misfire would send the HC's up.
> Being in California you should have access to street legal racing fuel.
> Like Cam2 GT unleaded.
> It is Oxygenated, and will burn more completely due to it's lower boiling
> points (distillation curve).
> I always fill up with Ultra before smog tests.
> If you have a low temp thermostat swap it out for a stock one.
> Good luck.
>
>
> ----- Original Message -----
> From: "rws" <rwsam2002@yahoo.com>
> To: "DakotaTruck DML" <dakota-truck@dakota-truck.net>
> Sent: Thursday, September 27, 2007 5:36 PM
> Subject: DML: Re: 94 Dak 5.2L Cat Converter Air Pump or Air Switch Valve?
>
>
> >
> > Biff,
> >
> > Oil and filter was changed. Using oil branded for "older" vehicles. I
> > think they put some copper in the oil to keep it running quieter, but
> > need to verify.
> >
> > New O2S.
> > New ECT sensor.
> >
> > Used Chevron's injector cleaner just prior to test, about a month ago.
> > a BMW dealer says its the best they found to keep injectors running
> > clean not dripping and remove the built up carbon on pistons and
> > valves.
> >
> > PCV valve cleaned and checked and I can hear it making noise with
> > engine running. Shop manual says this is a good sign.
> >
> > The EGR valve was replace 2-3 yrs or 11-15k miles ago. Maybe low oct.
> > fuel can make it dirty again? I don't know. I tried to clean the EGR
> > with solvents befor getting a new one. They are hard to clean so that
> > they shut completly and smoothly, that's why I just got a new one. How
> > long should they last?
> >
> > If I give up and take it to a CA certified smog mechanic, what will he
> > do?
> >
> > Anyone here in California? Have you noticed the smog test criteria for
> > the three elements gets lower the older the vehicle is?
> >
> > Ron
> >
> >
> >
> >
> > -----------------------------
> > Re: 94 Dak 5.2L Cat Converter Air Pump or Air Switch Valve?
> > From: Biff Byrum (bbyrum9@foothill.net)
> > Date: Thu Sep 27 2007 - 16:54:30 EDT
> > -----------------------------
> >
> >
> > Yeah, I had about the same results. Just passed by one. It's said that
> > leaky
> > injectors and the O2S are the leading causes of HC failure.
> >
> >
> > Excess carbon buildup in the chambers can cause this reading. Someone
> > sugested B-12 Total Combustion Chamber Cleaner. Also suggested was
> > changing
> > the oil so the new oil can absorb more HC. Remember that you do have
> > that
> > silly, prone to fail EGR on that engine. Also, new PCV valve? Biff
> >
> >
> >
> >
> >
> ____________________________________________________________________________
> ________
> > Be a better Globetrotter. Get better travel answers from someone who
> > knows. Yahoo! Answers - Check it out.
> > http://answers.yahoo.com/dir/?link=list&sid=396545469
> >
> >
>
>
>
>
>
>
This archive was generated by hypermail 2b29 : Tue Oct 02 2007 - 15:23:18 EDT