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Marky Dissod's latest activity
M
Marky Dissod
replied to the thread
Inconsistently odd fuel delivery issues (I THINK?)
.
Throttle body moves fluidly through its total range. Anyone else have any odd ideas? Like, what could trick the fuel pump into thinking...
Apr 21, 2026
M
Marky Dissod
reacted to
CPB's post
in the thread
My first GMT800, 01 2500HD LQ4
with
Like
.
I'm not sponsored by Dorman, but maybe I should be. The right rear exhaust manifold bolt had long broken off in the head prior to my...
Apr 21, 2026
M
Marky Dissod
reacted to
CPB's post
in the thread
Inconsistently odd fuel delivery issues (I THINK?)
with
Like
.
I would measure fuel pressure if you're leaning towards it being a fueling issue.
Apr 21, 2026
M
Marky Dissod
reacted to
99Sierra2500's post
in the thread
Inconsistently odd fuel delivery issues (I THINK?)
with
Like
.
I like the cable better. Drive by wire pedal is a service item, every 80k, can cause a bunch of problems when it goes bad. One thing you...
Apr 20, 2026
M
Marky Dissod
reacted to
Tonimus's post
in the thread
Inconsistently odd fuel delivery issues (I THINK?)
with
Like
.
No, but it does mean dropping the tank and getting at it. Fuel Pump Strainer is the technical name.
Apr 20, 2026
M
Marky Dissod
replied to the thread
Inconsistently odd fuel delivery issues (I THINK?)
.
I change the fuel filter annually, so that's unlikely but possible. What else ... Which makes me wonder about the electrical 'command...
Apr 20, 2026
M
Marky Dissod
replied to the thread
Engine hours meter reset question
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Spit take. The engine hours being unreliable forces it to become a non-issue. A reliable measurement of engine hours is as important as...
Apr 20, 2026
M
Marky Dissod
replied to the thread
Inconsistently odd fuel delivery issues (I THINK?)
.
Should be ok to replace MAF & throttle body with cleaner spares, then. Thanks, will do today or tomorrow (lucky enough to be able to...
Apr 20, 2026
M
Marky Dissod
posted the thread
Inconsistently odd fuel delivery issues (I THINK?)
in
Audio & Electronics
.
Over the past year, my '02 Tahoe Z71 has SOMETIMES suffered the following IRREGULARLY INTERMITTENT symptoms: *When I step on the...
Apr 20, 2026
M
Marky Dissod
reacted to
ORVietVet's post
in the thread
Stutaeng's 1999 Silverado
with
Like
.
Common leak with age. Do the thermostat, too. If belt(s) and idler/tensioners are old, do them.
Apr 16, 2026
M
Marky Dissod
reacted to
Crafty_z28's post
in the thread
Question about LCA jounce/bump stops
with
Like
.
Forest service roads Honestly I was thinking the same thing, just a stiffer rate. My issue is the cost difference to get them in...
Apr 13, 2026
M
Marky Dissod
replied to the thread
Question about LCA jounce/bump stops
.
No idea what 'FSR' stands for? Jounce bumpers are meant to be in contact with the suspension through most of the compression arc, in our...
Apr 13, 2026
M
Marky Dissod
replied to the thread
Hauling VERY heavy with an '02 Tahoe Z71, NEED stiffer springs
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I'm GUESSING Hummer H2 rear coils springs would be too stiff? or too tall? or both? for even my Tahoe, simply because of how much...
Apr 13, 2026
M
Marky Dissod
reacted to
AuroraGirl's post
in the thread
Features deleted by GM (gmt800 life cycle)
with
Like
.
found this on the service data 2003: A Component Comparison from the Previous Year • Exhaust gas recirculation (EGR) system has...
Apr 11, 2026
M
Marky Dissod
replied to the thread
Return style fuel system on a 2005
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Can't say off the top of my head if there's a P59 pcm or operating system that works with a return system segment, but frankly I'd be...
Apr 11, 2026
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