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01-02-2020, 04:15 PM
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#1
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Senior Member
Join Date: Dec 2019
Location: San Antonio TX
Posts: 349
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Scan Guage II ...Tips and analyzing
Hi. I am in the process of buying a used 2005 Bounder. Should pick it up next week.
Anyway, the first thing I ordered was a ScanGuage II.
I would be neat if we had a subforum here, under Workhorse forum that was specifically for using the SGII with the 8.1L. Things like what to monitor and why, normal readings, how to spot out of range readings, potential indicators of issues, etc.
Or maybe start an ongoing thread that just explains and deals with issues that folks have been able to identify using SGII. I think it would be nice to have it all in one area.
Jim58
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01-02-2020, 04:31 PM
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#2
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Senior Member
Winnebago Owners Club Workhorse Chassis Owner
Join Date: May 2016
Location: Kamloops, BC, 60 miles from the Center of the Universe according to the Rinpoche, of the SF monks.
Posts: 7,395
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Great idea!
I bought a ScanGauge at the end of the season last year, so didn't drive much with it at all.
Hopefully I will get to recognize the normal readings next year. Then I will be able to spot any upcoming problems.
Happy Glamping.
__________________
Happy Glamping, Norman & Elna. 2008 Winnebago Adventurer 38J, W24, dozens of small thirsty ponies. Retired after 40 years wrenching on trucks! 2010 Ford Ranger toad with bicycles or KLR 650 in the back. Easy to spot an RVer, they always walk around with a screwdriver or wrench in one hand! 
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01-02-2020, 05:48 PM
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#3
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Senior Member
Join Date: Oct 2002
Location: Madison, MS
Posts: 10,527
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Check the info listed on the main menu here: www.omeys-performance.com
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01-02-2020, 07:09 PM
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#4
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Senior Member
Join Date: Aug 2016
Location: Pa
Posts: 648
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Quote:
Originally Posted by edgray
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Link doesn't work for me
__________________
2004 Coachman Santara 3480DS Workhorse w-22 Ultra Rv tune with Banks headers, Koni shocks
Retired OTR driver ATA 5 million mile safety award
USMC Vet 1968-1972
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01-02-2020, 08:13 PM
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#5
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Senior Member
Fleetwood Owners Club Workhorse Chassis Owner
Join Date: Jan 2011
Location: Prospect, KY
Posts: 1,801
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x2 doesn't work for me either
__________________
Kevan & Rebecca(BTW) 2009 Fleetwood PaceArrow 38P 8.1 on W24 chassis w/air bags, 1990 Goldwing 1500, 2010 Jeep Liberty, RVM#197, FMCA#F413587, FMA#7985, WCMC, 2 dogs Cody and Sadie
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01-02-2020, 08:28 PM
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#6
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Senior Member
Join Date: Oct 2002
Location: Madison, MS
Posts: 10,527
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Quote:
Originally Posted by PappaBull
x2 doesn't work for me either
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Sorry. Apparently my phone doesn’t copy and paste very well. That sight’s owner, Dale Olsen, is a valuable member here and goes by screen name “Oemy”. His website is a wealth of info about WCC and related RV info. Since I seem unable to provide a correct URL, may I suggest you “Google it”. [emoji4]
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01-02-2020, 08:32 PM
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#7
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Senior Member
Winnebago Owners Club Workhorse Chassis Owner
Join Date: Aug 2007
Location: Sonoma County, CA
Posts: 6,401
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__________________
Wayne & Roberta
08 Winnebago Destination 39W Gas UFO Workhorse Chassis......It's really weird being the same age as old people. I thought getting old would take much longer.
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01-02-2020, 08:36 PM
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#8
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Senior Member
Join Date: Oct 2002
Location: Madison, MS
Posts: 10,527
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Quote:
Originally Posted by UFO Pilot
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Thanks, Wayne !!!
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01-03-2020, 12:31 AM
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#9
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Senior Member
Join Date: Jun 2016
Location: SW Louisiana
Posts: 8,953
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The main things I monitor on my 8.1L are LF1 and LF2, as a rule of thumb you want to see values of less than 10, anything over 10 or 12 while climbing a hill and you should start looking for the cause, often it will be either a dirty MAF or spark plug / spark plug wire issues, may also be O2 sensors. Max fuel trim adjustment is about +/-20 the bad thing is the 8.1L will not set a warning light for out of trim, and it seems many 8.1L engine have been destroyed over the years due to running lean after hitting max trim adjustment.
__________________
2002 Safari Trek 2830 on P32 Chassis with 8.1L w/ 400 watts solar 420Ah LiFePo4
2017 Jeep Cherokee Overland & 2007 Toyota Yaris TOADs with Even Brake,
Demco Commander tow bar and Blue Ox / Roadmaster base plates
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01-03-2020, 04:11 PM
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#10
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Senior Member
Join Date: Dec 2019
Location: San Antonio TX
Posts: 349
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Quote:
Originally Posted by Isaac-1
The main things I monitor on my 8.1L are LF1 and LF2, as a rule of thumb you want to see values of less than 10, anything over 10 or 12 while climbing a hill and you should start looking for the cause, often it will be either a dirty MAF or spark plug / spark plug wire issues, may also be O2 sensors. Max fuel trim adjustment is about +/-20 the bad thing is the 8.1L will not set a warning light for out of trim, and it seems many 8.1L engine have been destroyed over the years due to running lean after hitting max trim adjustment.
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Good post. Hopefully enough folks take interest and we can grow this thread for a long time.
Jim58
__________________
2005 Fleetwood Bounder 32W (Workhorse)
Retired Air Force
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01-03-2020, 05:00 PM
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#11
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Senior Member
Join Date: Aug 2016
Location: Pa
Posts: 648
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Just like Isaac-1, I also monitor the fuel trims with the scan gauge II. Awhile back I developed a vacuum leak at one of the intake manifold ports and the only way I knew there was a problem is my fuel trims went way up beyond their normal range. Motor ran fine, no misfire or engine check codes so I'm not sure if I would have done damage before realizing there was a problem without the Scan gauge
Tom
__________________
2004 Coachman Santara 3480DS Workhorse w-22 Ultra Rv tune with Banks headers, Koni shocks
Retired OTR driver ATA 5 million mile safety award
USMC Vet 1968-1972
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01-04-2020, 07:20 AM
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#12
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Senior Member
Join Date: Mar 2019
Location: Arizona
Posts: 2,242
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Will SCII read transmission temps? I use an app called Torque on my smart phone along with a cheap Chinese bluetooth OBDII reader. Works fine for most things but I haven't been able to get accurate readings on the Allison 1000 for some reason. This is a known issue with some GM products, but I tried some of the fixes suggested by the Torque folks and they haven't worked for me. Thought maybe I'd look at getting an SCII, which would also free up my phone for other things.
__________________
2004 National Dolphin LX 6320, W-22, 8.1, Allison 1000, Front/rear "Trac" Bars & Anti-sway Bars, Sumo Springs, Roadmaster Reflex Steering Stabilizer, 2005 PT Cruiser Toad
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01-04-2020, 07:27 AM
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#13
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Senior Member
Join Date: Oct 2002
Location: Madison, MS
Posts: 10,527
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Quote:
Originally Posted by CamJam1
Will SCII read transmission temps? .....Thought maybe I'd look at getting an SCII, which would also free up my phone for other things.
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Yes and No.
The 5 speed Allison will display TFT thru the SG II.
Sadly, the 6 speed Allison, as used by WCC since 2006 (I think), apparently speaks a different language. L.L. and many others here have tried to crack the code to interpret the Allison language, but so far no luck.
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01-04-2020, 07:57 AM
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#14
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Senior Member
Join Date: Mar 2019
Location: Arizona
Posts: 2,242
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Quote:
Originally Posted by edgray
Yes and No.
The 5 speed Allison will display TFT thru the SG II.
Sadly, the 6 speed Allison, as used by WCC since 2006 (I think), apparently speaks a different language. L.L. and many others here have tried to crack the code to interpret the Allison language, but so far no luck.
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Thanks for the information. Since mine's a 5-speed it should be a good option for me.
__________________
2004 National Dolphin LX 6320, W-22, 8.1, Allison 1000, Front/rear "Trac" Bars & Anti-sway Bars, Sumo Springs, Roadmaster Reflex Steering Stabilizer, 2005 PT Cruiser Toad
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