Who makes an inexpensive fuel pressure gauge I can use to troubleshoot a problem on my 93 OMC 5.0 EFI?<br /><br />My boat has a rough idle and today while warming it up to change the oil it suddenly died. Looking over the engine I noticed that the 20amp fuse for the fuel pump was tripped. I reset it and it started right up but shortly died again. I did notice an unusual noise coming from the high pressure fuel pump. It kind if squeals with the rough idle. However, a couple of hours after this I tried starting it again and it ran for a good 20min. rough idle and all without a stall. The high pressure fuel pump squealed initially but quited down after about a minute or two. The fuel is fresh with a full tank and treated with Stabil. I recently changed the fuel filter. It had the rough idle before that.<br /><br />I did do the tests on the PCV valve as suggested in the manual and it passed. So I don't think it is that that is causeing the rough idle.<br /><br />Any ideas or suggestions? Thanks.
