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Originally Posted by transgta
I know this is very vague but my wifes 00 yukon acts like clogged fuel filter. Its not real bad but you can tell somethings wrong.Just changed rear brakes along with new rotors i can see they are not sticking. Of course fuel filter, clean air filter new plugs. I use good gas always and mobil 1 oil.Past summer i did hear some popping in rearend from limtd slip.After the additive it stopped but im wondering if there could b something more in there.I really dont know what to try and there are no engine codes.Any ideas i will try them please...DAVE
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On the engine running always check for good fuel pressure and basic tune up.
How many miles since last tune up?
On the rear end check the oil level and pull rear inspection plate off and have a look at limitive slip stuff.
Sometimes limit positive greese and additive helps.
MT