It's had a fresh, complete tuneup and new Intake Gaskets...
More evidence... I was presented with a MIL last night of P0138, O2
sensor... could it be that simple? Other than the 1600-1700 stumble it
runs the best it ever has with the new intake and plenum gaskets and
the plugs, wires, cap and rotor... (and belts hoses, pcv.....)
thanks,
rick
On Wed, Jan 7, 2009 at 12:45 AM, DML Digest
<owner-dakota-truck@bent.twistedbits.net> wrote:
>
> DML Digest Wednesday, January 7 2009 Volume 05 : Number 3615
>
>
>
> The subjects discussed in this digest are:
> ==========
> Re: DML: RE: RE: RE: 5.2 vibration/rumble/groan or something like that...
>
> ----------------------------------------------------------------------
>
> Date: Mon, 05 Jan 2009 23:18:13 -0600
> From: Michael Kneebone <mkneebone@gmail.com>
> Subject: Re: DML: RE: RE: RE: 5.2 vibration/rumble/groan or something like that...
>
> My 5.9 was doing something similar (stumble wise) and I kept thinking
> fuel used all sorts of cleaners (including Sea Foam), finally changed
> the plugs, wires and distributor cap and runs like brand new!
>
> Mike
>
> At 07:35 PM 1/4/2009, Brian wrote:
>
>>Might want to try running some seafoam through the motor instead of trying
>>the fuel injector cleaner stuff in the fuel. Much quicker and interesting
>>way to clean the engine.
>>
>>brian cropp
>>-----Original Message-----
>>From: owner-dakota-truck@bent.twistedbits.net
>>[mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of Rick Suter
>>Sent: Sunday, January 04, 2009 4:03 PM
>>To: dakota-truck@dakota-truck.net
>>Subject: DML: RE: RE: 5.2 vibration/rumble/groan or something like that...
>>
>>
>>A few more tests.... rear driveshaft Ujoints are new. Front driveshaft
>>was removed and it acts the same... I'm thinking it's gotta be the
>>engine... I reproduced it in 4th and 3rd. Both in lockup and far from
>>a downshift. In other words solidly in gear. Could not reproduce in
>>2nd or 1st, but the request for power is far less in those gears.
>>
>>It stumbles at 1600-1700 RPMS with very light and exact throttle
>>pressure. Its more a feel thing than an audible thing I'm finding. I
>>added some Lucas snake oil to the fuel with hopes that leftover crap
>>from a very leaky intake which I fixed might be the issue and that
>>said SO might fix it. thoughts?
>>
>>thanks,
>>
>>Rick
>>
>>ps: Good news is that I'm pretty confident that it's not the tranny.
>>
>>
>> >
>> > ----------------------------------------------------------------------
>> >
>> > Date: Sat, 3 Jan 2009 10:01:45 -0500
>> > From: "Rick Suter" <rick.suteriii@gmail.com>
>> > Subject: DML: RE: 5.2 vibration/rumble/groan or something like that...
>> >
>> > Date: Fri, 2 Jan 2009 21:02:10 -0500
>> > From: "Mike Sykes" <mikesykes@cox.net>
>> > Subject: DML: RE: 5.2 vibration/rumble/groan or something like that...
>> >
>> >>>but I still have a nagging groan/vibration. It seems to be around TC
>> >>>lockup, but I'm not convinced the two coincide. Most obvious around 60
>> >>>MPH on the highway with light pressure on the gas... It's sort of a
>> >>>groan/rumble with mild vibration. It seems to lessen as the truck warms
>> >>>up. Worse in colder weather. Ideas?<<
>> >
>> >>>hhmmm... time for all the questions they're not gonna' ask you at the
>> >>>shop: in the afore mentioned tuneup, did you change the trans fluid and
>> >>>diff fluids?
>> >
>> > Trans yes, fluid and filter.... Diffs, no. Hadn't thought of it for
>> > this issue, more as maintenance for the FLA trip. I'll try that next.
>> >
>> >>Does the vibration occur if you accelerate past 60 and are coasting
>> >>under no throttle?
>> >
>> > Doesn't seem to. Seems more like light throttle pressure, barely
>>accelerating.
>> >
>> >>Do your differentials ratchet for make noise when you take a tight turn?
>> > I don't think so
>> >
>> >>Stock ride height?
>> > No, has had 2" add-a-leafs in the rear since I've owned it at 16K miles.
>> >
>> >>When trying to pinpoint odd problems, I always tell people to start with
>> >>the cheapest and easiest stuff, then move up as budget persists =)
>> >>
>> >>- - miggity
>> >
>> > thanks! Rick
>> >
>>
>>
>>No virus found in this incoming message.
>>Checked by AVG - http://www.avg.com
>>Version: 8.0.176 / Virus Database: 270.10.2/1873 - Release Date: 1/3/2009
>>2:14 PM
>
> ------------------------------
>
> End of DML Digest V5 #3615
> **************************
>
>
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