Last feb 2022 I installed an Alloyworks radiator from Amazon. All aluminum with 3 rows….the core is the same thickness as the tanks. Survived one Phoenix summer so far and me driving Like ahole. And the price was less than half of OEM. Right now I think they are $215
Just an fyi, bad ujoints don’t need to have play that you can feel while installed, but when you take them off you can find they bind like dried out or worn or have a “spot” with play when you rotate The caps.
They seem to like to crack on the driver side near the upper hose. Mine is K5L and after seeing the price I just went with all aluminum. So far works great in 115 degrees. Will be able to test in mountain driving Saturday, will check how it handles full throttle up the mountains to Prescott.
I had a lean idle issue on my C5 vette for years and it drove me nuts, and yes it was adding fuel trim up to +25 then CEL if idling a lot. Turns out one day I had my ex gf watching the O2's graph going up and down and I busted out the propane torch (NOT lit) and sprayed. Second I got near the...
Thats why you put the stands under the axles. Obviously you dont go nuts here and punch it and jump up and down while turning the wheel......common sense has to be applied. Like a loaded gun, just dont point it at anything while performing.
Put it on jackstands, secure it and have someone go through the gears gently rasing the speed. You can then look at the driveline from underneath and look for anything out of round/vibrating/shaking, etc.
There is more to testing an alternator than just volts and amps. They test to make sure the rectifiers are not bad, or you will have AC ripple which can cause havoc with data transferred between canbus modules.
My brothers 2012 tahoe is doing the same thing, even while I was in it with the Tech 2 . I couldnt find anything except solenoid 1 had a line that was switching between not ready or not reporting or something like that. From a stop you give it throttle and it revs a few hundred rpms then pops...
Sounds simple. Cold engine in open loop does not use the O2 sensors yet...as soon as it warms up enough it switches to closed loop and relies on the O2 sensors for fueling and it sounds like yours is dead or the wiring is bad on that bank.
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