duelly5566 Posted January 14, 2013 Share Posted January 14, 2013 this problem has just started, any help would I would be very grateful I have a 2000 ch613 with a 427 and at start up it shows 30 psi and with out moving the truck when you rev up the engine the oil pressure drops down to zero and it almost act's like a rheostat losing a little and then more the more you push down on pedal till about 1400 rpm and hits zero? just thinking maybe sending unit but cannot see one.Thanks for any help in advance Quote Link to comment https://www.bigmacktrucks.com/topic/29397-oil-pressure-problems/ Share on other sites More sharing options...
Lmackattack Posted January 14, 2013 Share Posted January 14, 2013 BEFORE YOU KEEP RUNNING THE ENGINE MAKE SURE YOU HAVE GOOD OIL PRESSURE!hopefully just a faulty sending unit or gauge. tap into an oil passage with a mechanical gauge and see if it indeed is low psi or just a bad dash gauge.start there and then come back to us.... Quote Link to comment https://www.bigmacktrucks.com/topic/29397-oil-pressure-problems/#findComment-157380 Share on other sites More sharing options...
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