syknesss Posted March 22, 2004 Report Share Posted March 22, 2004 my fuel ump wont turn off when i turn the car off and its killing my battery is there a relay or something that could cause this? its a 90 lumina euro 3.1 Quote Link to comment Share on other sites More sharing options...
DaveFromColorado Posted March 23, 2004 Report Share Posted March 23, 2004 I had this same problem on my 91 Beretta, I found that mine was caused by the oil pressure switch, it stays active even after the oil pressure is lost, you have to replace it, it's fairly cheap, less then $30 I think, it makes it a LOT easier to pull the starter when replacing that part. Quote Link to comment Share on other sites More sharing options...
Slade901 Posted March 23, 2004 Report Share Posted March 23, 2004 There is a fuel pump relay near the remote positive terminal post. If you got two cooling fans for the radiator, try removing the 2nd fan relay and use that for the fuel pump temporarily and see if the issue is resolved. If it does then just purchase a new relay and put back the relay for the 2nd fan. If that does not work, try what DaveFromColorado said about replacing the oil pressure switch. Quote Link to comment Share on other sites More sharing options...
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