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: P0089 bad1 02-03-2009, 07:38 AM Started my truck this moring and went inside to let it warm up and when I came out service engine soon light was on.Extracted code and it came up as fuel pressure regulator performance.What is the next step short of replacing it?:eek: 110crash 02-03-2009, 09:50 AM Started my truck this moring and went inside to let it warm up and when I came out service engine soon light was on.Extracted code and it came up as fuel pressure regulator performance.What is the next step short of replacing it?:eek: Does your truck lope really bad at idle? If so dump some 2 stroke oil in your tank. About 1 quart per tank. bad1 02-03-2009, 10:31 AM Yes,will this cure that problem with fuel pressure performance code? nmband13 02-03-2009, 06:02 PM For now, its a temp fix. It will go out in time, mines starting to lope with PS and 2 stroke. not good... bad1 02-03-2009, 07:37 PM For now, its a temp fix. It will go out in time, mines starting to lope with PS and 2 stroke. not good... Whats the real fix?:confuzeld 110crash 02-03-2009, 08:41 PM For now, its a temp fix. It will go out in time, mines starting to lope with PS and 2 stroke. not good... Mines been lopin for a year and a half , but haven't got a code for it yet. Sometimes it does it sometimes it don't. 110crash 02-03-2009, 08:42 PM Whats the real fix?:confuzeld The real fix is to replace it with a new one. bad1 02-04-2009, 06:03 AM Does your truck lope really bad at idle? If so dump some 2 stroke oil in your tank. About 1 quart per tank.Do you put the oil in every tank full of fuel? 110crash 02-04-2009, 07:02 PM Do you put the oil in every tank full of fuel? I put it in every third or fourth tank. led 02-04-2009, 10:27 PM I put 2 cycle in every tank. It pretty much cleared up my lope idle. Later, Stephen 110crash 02-05-2009, 05:45 PM I put 2 cycle in every tank. It pretty much cleared up my lope idle. Later, Stephen I did at first but once it cleared up every third or fourth should be fine. I also run Stanadyne in every tank. bad1 02-06-2009, 06:59 PM I also run Stanadyne in every tank. What is Stanadyne?I guess I could always google it,no but what is it and what does it do?:duh: 110crash 02-06-2009, 09:20 PM What is Stanadyne?I guess I could always google it,no but what is it and what does it do?:duh: It is a fuel additive adds lubricity , cleaning and gelling. Also helps remove water. bad1 07-26-2009, 11:41 AM Started my truck this moring and went inside to let it warm up and when I came out service engine soon light was on.Extracted code and it came up as fuel pressure regulator performance.What is the next step short of replacing it?:eek: Here it is 5 months later and that P0089 code is back.This time time whole truck rocks.Want to replace the fpvr,just wondering if I should go stock or aftermarket. bad1 07-30-2009, 08:59 AM Does anyone have a link to aftermarket fuel pressure regulator? bc6819 07-30-2009, 09:32 AM This is another GM ....ooppss... they changed manufactures on these pumps because they so much trouble with them...replacing mine now... my presssure was down...running lean..try pensacola diesel...i bought my updated pump from GM.. | ||