justirv's latest activity
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Jjustirv reacted to Scottydoggs's post in the thread Real Benefits to 91/93 Octane in a regular LQ4??? with
Like.
if you own a tuner (i own one, so its way to easy to play around) i ran 93 only in my 5.3, added some timing across the board and felt... -
Jjustirv reacted to strutaeng's post in the thread Advice on purchasing a used 2003 with 100k miles with Like.
2003 with a rotor cap? ...it would help to state what specific vehicle (a car, you say?) this is...you posted in the 2000-2006...
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JAccording to Haynes: KOEO Flex Fuel: 48-54 psi Non-Flex: 55-62 psi
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JFlex fuel key on, engine off, 48-52 psi. Non flex higher, so either way, you could be heading towards a new fuel pump.
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JMy other Tahoe had 70k more miles than mine, and she’s got the OG cats on it. I’ll try taking the belt off and using some carb cleaner...
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Jwith all them miles a clogged cat is a possibility. at idle you can spray some carb cleaner, flammable brake cleaner or the likes at...
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Jjustirv reacted to ivin74's post in the thread 2005 5.3 Tahoe running rough/stalling only when hot with Like.
Did you torque the spark plugs? I would remove and inspect the plugs, one might have cracked and might be causing the issue. Also do as...
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Jjustirv reacted to strutaeng's post in the thread 2005 5.3 Tahoe running rough/stalling only when hot with Like.
Umm, yeah that's possible. Injectors hardly ever fail, however. You need a scanner capable of reading misfire counts on each cylinder...
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Jjustirv reacted to 1919's post in the thread 2005 5.3 Tahoe running rough/stalling only when hot with Like.
I'll spray it today and see what happens. Haven't had any upstream codes at all. O2 sensors were changed preemptively a few years ago...
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Jjustirv reacted to rockola1971's post in the thread 2005 5.3 Tahoe running rough/stalling only when hot with Like.
Unmetered air really shows its ugly head when in closed loop. Spray some starting fluid or the like around the intake manifold flats at...
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Jjustirv reacted to 1919's post in the thread 2005 5.3 Tahoe running rough/stalling only when hot with Like.
I don't have the capability to do the relearn. The sensor I bought said the relearn wasn't necessary. In any case, changing it made no...
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Jjustirv reacted to 1919's post in the thread 2005 5.3 Tahoe running rough/stalling only when hot with Like.
Intake gaskets were changed when I changed the cam and knock sensors. If a vacuum leak in the intake area was a factor, would it cause...
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Jjustirv replied to the thread 2005 5.3 Tahoe running rough/stalling only when hot.You can also check for leaky intake manifold gaskets. They shrink with age, and add unmetered air, causing a lean condition. Use you...
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Jjustirv reacted to Fless's post in the thread 2005 5.3 Tahoe running rough/stalling only when hot with Like.
If it hasn't been done, do a CASE relearn with a capable scanner after having changed the crank sensor. Quick relearn to rule it out...
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Jjustirv reacted to strutaeng's post in the thread KNOCK SENSOR ISSUE ON BRAND NEW ENGINE 05 TAHOE with Like.
Are you sure it's not actually detonating? It sounds like it could be based on your description (?) If it is, the next question is why...
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2013 Yukon Denali Hybrid AFM Delete won't pass emissions
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