20V MK1 Engine Swap oil pressure sensor prob [Archive] - Toyota MR2 Message Board

20V MK1 Engine Swap, sensor, stray, voltage, screwed, engine, pressure, defective, wierd, thing, problem, grounded, trans, prob, hooked, block, greatly, appreciated, assumed, happen, thought, parts, local, store, forgot, biggie, bought, gauge, starts, pegs, initially, slowly, sold, finishing, accessory, reason, turn

hello all. im slowly finishing up my mr2 20v. i forgot to take out my oil pressure sensor out of my 16v before i sold it, no biggie, went out and bought one from the local parts store (a 16v sensor). anyways i screwed it into where the 20v oil sensor is and for some reason as soon as i turn the key to accessory, before the engine starts the gauge pegs out. i initially thought i might have stray voltage so i grounded my engine and trans but i still have the same problem. could it be a defective