Normandy Posted June 17, 2015 Author Report Share Posted June 17, 2015 Very possible, dies it run fine until it warms up? As in before closed loop? Sent from my One M8 using Tapatalk Yes, it runs better when its cold..Sorry i do not under stand the closed/open loop. Quote Link to comment Share on other sites More sharing options...
darienms1986 Posted June 17, 2015 Report Share Posted June 17, 2015 Closed loop is when o2s take over so when warmed up o2s run computer and adjust from readings. If bad can have issues like I had, when it's open loop o2s don't do anything the pcm tune controls AF adjustment Sent from my One M8 using Tapatalk Quote Link to comment Share on other sites More sharing options...
Normandy Posted June 17, 2015 Author Report Share Posted June 17, 2015 Closed loop is when o2s take over so when warmed up o2s run computer and adjust from readings. If bad can have issues like I had, when it's open loop o2s don't do anything the pcm tune controls AF adjustment Sent from my One M8 using Tapatalk I'd say thats pretty hard evidence of faulty o2's. I'm going to buy some tomorrow. I'll let you know the results. Quote Link to comment Share on other sites More sharing options...
darienms1986 Posted June 17, 2015 Report Share Posted June 17, 2015 You can test em Sent from my One M8 using Tapatalk Quote Link to comment Share on other sites More sharing options...
Normandy Posted June 17, 2015 Author Report Share Posted June 17, 2015 You can test em Sent from my One M8 using Tapatalk The the old o2's?? How? Quote Link to comment Share on other sites More sharing options...
darienms1986 Posted June 17, 2015 Report Share Posted June 17, 2015 Volt meter to test if the voltage changes, not sure exact way but s quick Google I'm sure will produce what you need Sent from my One M8 using Tapatalk Quote Link to comment Share on other sites More sharing options...
SSenvy Posted June 17, 2015 Report Share Posted June 17, 2015 (edited) Woah woah, you said you had problems when you started running octane booster? I Was running Octane booster for a couple months only because the highest grade we have in Alaska is 90. My Idle started getting Low, rough and bumpy.. in drive I felt like it wanted to die.... the Octane booster had fouled My plugs.... yes they were jet black... check your plugs! I put new plugs in, stopped using octanr booster and no problems since... that was 15 months ago The plugs that fouled out in my truck when running octane booster were less than a year Old also.... so yes... i wont put that crap in my tank anymore/ever again Edited June 17, 2015 by Quicksilvers (see edit history) Quote Link to comment Share on other sites More sharing options...
1BAD2K Posted June 17, 2015 Report Share Posted June 17, 2015 That octane booster is junk. I would just run the highest possible octane you can get from the gas station up to 93. Pull some plugs and check them would be my first thought since it started after you changed them. Quote Link to comment Share on other sites More sharing options...
Normandy Posted June 17, 2015 Author Report Share Posted June 17, 2015 (edited) Woah woah, you said you had problems when you started running octane booster? I Was running Octane booster for a couple months only because the highest grade we have in Alaska is 90. My Idle started getting Low, rough and bumpy.. in drive I felt like it wanted to die.... the Octane booster had fouled My plugs.... yes they were jet black... check your plugs! I put new plugs in, stopped using octanr booster and no problems since... that was 15 months ago The plugs that fouled out in my truck when running octane booster were less than a year Old also.... so yes... i wont put that crap in my tank anymore/ever again I already changed the plugs about 6 months ago. It made the idle slightly better but this has really gotten worse the last few months. With what darienms1986 mentioned about the open/closed loop makes absolute sense. The truck runs better when its first started then when its warm. Thank you though If replacing the o2's corrects this I will never use octane booster again. Guaranteed Edited June 17, 2015 by Normandy (see edit history) Quote Link to comment Share on other sites More sharing options...
Normandy Posted June 18, 2015 Author Report Share Posted June 18, 2015 (edited) I was able to remove the Drivers side o2 but I can't get the passenger out. Theres not enough room for my wrench. Is there a special tool/method to be used on this? Edited June 18, 2015 by Normandy (see edit history) Quote Link to comment Share on other sites More sharing options...
darienms1986 Posted June 18, 2015 Report Share Posted June 18, 2015 I just used regular ol wrenches Sent from my One M8 using Tapatalk Quote Link to comment Share on other sites More sharing options...
Normandy Posted June 18, 2015 Author Report Share Posted June 18, 2015 I just used regular ol wrenches Sent from my One M8 using Tapatalk As did I however its too long to be able to turn it. It runs into the black ( i assume its a torsion bar). Quote Link to comment Share on other sites More sharing options...
darienms1986 Posted June 18, 2015 Report Share Posted June 18, 2015 I have a small open ratchet that worked too Sent from my One M8 using Tapatalk Quote Link to comment Share on other sites More sharing options...
Normandy Posted June 19, 2015 Author Report Share Posted June 19, 2015 Woah woah, you said you had problems when you started running octane booster? I Was running Octane booster for a couple months only because the highest grade we have in Alaska is 90. My Idle started getting Low, rough and bumpy.. in drive I felt like it wanted to die.... the Octane booster had fouled My plugs.... yes they were jet black... check your plugs! I put new plugs in, stopped using octanr booster and no problems since... that was 15 months ago The plugs that fouled out in my truck when running octane booster were less than a year Old also.... so yes... i wont put that crap in my tank anymore/ever again Out of curiosity what did you gap your plugs at? Quote Link to comment Share on other sites More sharing options...
Normandy Posted June 20, 2015 Author Report Share Posted June 20, 2015 So, unfortunately the o2's didn't help much. The idle is more stable but its still to low. I did find that there is a TSB for rough idle/ unstable idle. Its # 193434 and 200565. I'm going to contact my local dealer tomorrow and hear what they have to say about it. I found this as well http://www.autorepairinstructions.com/?p=224 Quote Link to comment Share on other sites More sharing options...
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