| Re: OP switch behind intake manifold |
Subject: Re: OP switch behind intake manifold by joeld on 2018/4/2 23:30:39 Actually the oil pressure switch is by-passed on a correctly working system. The ECM will activate the fuel pump relay for approx 2-3- seconds at first turn of key. If this fails, then the oil pressure switch will power the pump after approx 4-6 pounds of oil pressure is built when cranking the engine. This is for a L98, can't remember your model. Joel |
