There are a number of things that contribute to oil pressure, the pump has very little to do with pressure. I will say I have seen a lot of issues with the pick up screen inside the oil pan becoming clogged. I would suggest hooking up a manual gauge to verify actual oil pressure, then if it is actually low I would remove the oil pan and check the pick up screen first. You're looking at 11-12 hours labor at a repair shop plus 100-150 for the pump if you want it replaced. Plus gaskets and oil.
SOURCE: '97 Dodge Dakota 5.2l oil pressure problems
On the 318 (5.2 liter) V-8 that was in my 1973 Dodge Dart Sport, I started having oil pressure problems with valve ticking and clunking around the crankshaft around 173,000 miles. Prior to the problem, I had bought a couple cases of Pennzoil on sale. Needless to say, when I finally dropped the pan, the sludge had baked to a ceramic-like texture. I soaked the pick up screen in solvent to disolve the crud, replaced the oil pump, and replaced the main and rod bearings with undersized bearings (.001" undersized). The oil pressure went up to normal, the valve tick went away, and the clunking on the bottom end went away. The engine felt as tight like new, and should have lasted for another 150,000+ miles if the nitwit I sold it to hadn't wrapped it around a light pole. By the way, don't ever use no-name, Pennzoil or Quaker State motor oil. The minimal savings will cost you in the long run.
SOURCE: OIL PRESSURE SWITCH CHEVROLET 4.3 1994 SONOMA /S 10
hook up a mechanical gauge and verify the pressure at idle is correct, I suspect the sending unit is defective
SOURCE: 1995 s10 pickup 4wd just replaced fuel pump, won't start.
replace the wireing harnes to the fuel pump gm had problems with them cost around $15 to 26 at autozone
SOURCE: i have a 98 gmc sonoma 2.2L and i was driving down
check the fuel pump relay its probably shot you should be able to hear it click swap it out with one of the others cheap fix
SOURCE: 1992 GMC Sonoma 4.3 V-6 The
did u check to see if u were actually gettin fuel..ur filter might b clogged..and did u replace the button along with the cap and rotor..and did u check to make sure u got spark..it might b the coil..they go without any warning
i have a 1992 gmc sonoma with a 2.8liter engine with a 5speed manual trans. does it uses atf or gear oil if it uses atf what kind?
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Ended up replacing engine . the oil pump was bad causing engine too much damage due to previous owner
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