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1997 S10 Blazer sometimes loses power on hills, why?
4.3 vortec auto 4x4 270000kms. been to 4 shops been anylized to the death of my wallet. nothing found wrong. no codes. fuel mileage is good.new fuel pump and filter, plugs, plug wires, cap and rotor and igniton coil. fuel pump operates at 63 psi and hold its pressure after shut down. the cat is not plugged. now, if battery is disconnected for about an hr. no problem for 3 to 4 days of driving.is any Chev mechanics willing to weigh in on this? thanks in advance
