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1990 Suburban 454 Oil Pressure jumping
What’s up guys. New here on but don’t know where to start so here we go. I have a 1990 Suburban 454 2WD that I recently purchased it about 4 months ago.. Has 220k on it. When I purchased the truck the oil pressure would read at 28 - 30psi and I daily drive it. Never had an issue. About a week...- StMetallica
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- Replies: 4
- Forum: Engine & Performance
