Its still the pump. 4-6 lbs makes the difference. You might notice the difference at hiway speed and you hit passing gear. It wont respond as it should.. dont use a cheep pump or you will just do it over again.Or cheep pump and sell it..
6 QTS. with a new filter.
6 qts. with a new filter.
Probley is the fuel pump, Need to check fuel pressure with a gauge. It should have no less then 9 LBS. are it will not start. Pressure specs are 9 to 13 LBS
It doesn't have a vacuum line attached to the fuel pressure regulator.
underneath the engine PS. that's where the oil drain plug is also
One of the causes for low oil pressure in a Chevy Tahoe could be a clogged or dirty oil filter. Changing the filter may get rid of the problem.
It is located on the back of the block at the top near the distributor.
5 qts with a new filter. Have seen some hold 6. Start with 5 and check it.
how much horse power does a stock 4.8 liter vortex Chevy engine have
Either behind the distributor, or above the filter.
Under the upper intake manifold, attached to the bank of injector poppets, aka "the spider".
The oil pressure switch on a 1998 Chevy Blazer is on the side of the engine block. It is located above the oil filter.