RE: Re: RE: Re: RE: Re: RE: Smog failure, a little help please

From: Bernd D. Ratsch (bernd@dodgetrucks.org)
Date: Sat Mar 15 2008 - 23:05:55 EDT


Uhhh...no, OTC makes a really good unit.

-----Original Message-----
From: Biff Byrum [mailto:bbyrum9@foothill.net]
Sent: Saturday, March 15, 2008 3:38 PM
To: dakota-truck@dakota-truck.net
Subject: DML: Re: RE: Re: RE: Re: RE: Smog failure, a little help please

Hey Bernd, I hope you didn't mean to say that the OTC system wasn't worth
using, because I bought one and just used it, with a home compressor. Seemed

to work ok, haven't even restarted it yet. If it runs better, I'll probably
replace the O2S today just because, then maybe the Cat. I just don't want
another failed test. I looked this truck up with the state and found that it

failed a test over a year before I bought it. They said the EGR passage was
plugged when they did the plenum for me. We'll see, a Dak is just too much
fun to give up on...... Biff

----- Original Message -----
From: "Bernd D. Ratsch" <bernd@dodgetrucks.org>
To: <dakota-truck@dakota-truck.net>
Sent: Thursday, January 03, 2008 9:36 PM
Subject: DML: RE: Re: RE: Re: RE: Smog failure, a little help please

>
> Fix the intake leak, have the injectors flushed by a local shop
> (dealership or independent - BG or 3M are the two best flush systems), and

> once you're done with those - reset the PCM and drive it on the highway
> for a good 20-40 miles (around town is fine - just want to see the cat get

> a little hot to clean up a bit). Then, have it reanalyzed (emissions
> only - not the actual test) and see where you're at.
>
> - Bernd
>
> -----Original Message-----
> From: Biff Byrum [mailto:bbyrum9@foothill.net]
> Sent: Thursday, January 03, 2008 10:22 PM
> To: dakota-truck@dakota-truck.net
> Subject: DML: Re: RE: Re: RE: Smog failure, a little help please
>
> Thanks, I realize I've been procrastinating too long on the beer barrel.
> By the way, a vacuum check at the bulb on the firewall showed 19 in. and
> at the joint on the brake booster showed 18.5. Both were steady. I
> wondered if that was a little high and indicated a leak. Running hot may
> also have messed with the gasket a little more.
>
> I'm not experienced with injectors, so I take it you're saying that they
> may have some more life in them? And that possibly the Cat and the EGR may

> still be functional? I'm not worried about the O2S, it may have around
> 70,000 or so on it. thanks, Biff
>
> ----- Original Message -----
> From: "Bernd D. Ratsch" <bernd@dodgetrucks.org>
> To: <dakota-truck@dakota-truck.net>
> Sent: Thursday, January 03, 2008 7:28 PM
> Subject: DML: RE: Re: RE: Smog failure, a little help please
>
>> Running "good" and running within emissions parameters are sometime two
>> totally different cases.
>>
>> The intake leak definitely needs to be fixed first. This can cause nasty

>> HC and NOx emissions. Cleaning the injectors with a quality flush
>> service (not just the waste-of-time upper intake cleaning that most
>> Iffy-Lube places do) wouldn't hurt either but do that after fixing the
>> intake plenum leak.
>>
>> As for replacing the PCM - I have yet to see a PCM cause emissions output

>> failures on the smog tests....Check engine lights or emissions monitors
>> yes, but not actual emissions (without some form of warning).
>>
>> - Bernd
>>
>> -----Original Message-----
>> From: Biff Byrum [mailto:bbyrum9@foothill.net]
>> Sent: Thursday, January 03, 2008 9:12 PM
>> To: dakota-truck@dakota-truck.net
>> Subject: DML: Re: RE: Smog failure, a little help please
>>
> Geez, I sure missed a lot, didn't I? Yes, cap and rotor appear good and
> clean. The wires are maybe 2 years old. The coil wire shows 8795 ohms, and

> I looked at three of the plug wires and they didn't exceed about 7500
> ohms. Also, it has good pickup, especially in second and third. Also there

> is no popping upon let up, either in first or second gears or sitting
> still. I had that when the previous 2 OS's were acting up.
>>
>> I think I know what you're going to say next, it's been in the back of
>> my mind. The injectors just aren't cutting it anymore. Plus it does have
>> that famous leak in the beer barrel gasket. I did borrow a tester last
>> summer when it was sitting around and the pump pressure came in at about
>> 40. I know that's a hair under range, but it doesn't stumble and it has a

>> recent filter replacement. (The in-tank one.)
>>
> What really stumps me and seemingly most other people who talk smog on the

> web is that no one mentions a three line failure on a vehicle that is
> seemingly running good. what have I left out? Maybe PCM?? Biff
>>
>> ----- Original Message -----
>> From: "Bernd D. Ratsch" <bernd@dodgetrucks.org>
>> To: <dakota-truck@dakota-truck.net>
>> Sent: Thursday, January 03, 2008 6:17 PM
>> Subject: DML: RE: Smog failure, a little help please
>>>
>>> Looks like a rich misfire from those readings. You didn't mention
>>> anything about the cap, rotor, or plug wires. How are those looking?
>>>
>>> - Bernd
>>>



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