New to Quarterhose and TunerPro

Non-vehicle specific forum for tuning all ford ecu's 1994-2004, including the 1994-1995 Mustang, 93-98 Mark VIII, 99+ F-150, 99-04 Mustang, 03-04 Cobra, 99-03 Harley Davidson and Lightning F-150

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New to Quarterhose and TunerPro

Unread postby Bullitt5566 » Thu Jun 08, 2017 10:03 pm

I'm new to Quarterhorse and TunerPro. I followed the getting started write up, but I can't seem to get the car started. PATS I think. The car is a 2001 Bullitt and currently has a SCT tune that works. I installed the Quarterhourse and TunerPro software. I loaded strategy CVAF1 and made the modifications detailed in the write up. I connected to the QH and downloaded the current tune. I tried uploading the tune to the QH and start the car. The car will not even fire and the PATS flashes.

I noticed that the VIN was blank, PATS was set to all "89", and the PATS Disable Flag was set to 1. I also noticed that the data seems "jumbled". I updated the VIN and uploaded again. I also toggled the PATS disabled and no change.

I assuming that I should be able to open the correct strategy, import the existing tune, then upload the strategy and bin back to the QH. Even if it is jumbled.

My next step is to make a tune from scratch. The computer code is KSG2
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Re: New to Quarterhose and TunerPro

Unread postby decipha » Fri Jun 09, 2017 3:40 am

you either have 1 of 2 issues

most likely you didn't have the ignition key on when you read the tune out, they key has to be on and the ecu powered up to read the tune

or, you didn't clean the j3 port enough, it could be difficult to get all the plastic off the terminals

you can read the tune out the ecu and write it to the QH and it will run exactly the same as it does now, until you can do that you have a communication issue
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Re: New to Quarterhose and TunerPro

Unread postby Bullitt5566 » Fri Jun 09, 2017 2:12 pm

Thanks Decipha. I cleaned the terminals and followed the write up. It works. Thanks for your help.
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Re: New to Quarterhose and TunerPro

Unread postby Bullitt5566 » Sat Jun 10, 2017 8:31 pm

I have the car running from the CVAF1 strategy and the bin file I downloaded from the ECU. The bin is scrambled and pretty useless. Do I need to make a new tune? How do I know which bin file to use as a starting point?
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Re: New to Quarterhose and TunerPro

Unread postby decipha » Sun Jun 11, 2017 12:53 am

yes you have to make a new tune from a CVAF1 binary file, KSG2 is of the RVAFB strat just like most 01 GTs either RVAFA or RVAFB strategy, any of which will show garbled data when trying to view with a CVAF1 strategy

post your current tune and ill do a binary comparison
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Vehicle Information: Supercoupin' x10
90 (4x 5spds) - Dante, Ruby, Daja, Ava
91 4r70w - Skarlett
92 (2x) 5spd & auto - Bianqa, Andrea
93 auto - Danika
94 5spd Rionda
95 auto Aisha
Vehicle 2 Information: Others:
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00 Explorer 5L - Bernyce

Re: New to Quarterhose and TunerPro

Unread postby Bullitt5566 » Sun Jun 11, 2017 7:12 am

I really appreciate you help. I attached the current tune (bullitt.bin) as well as the stock bin (stock.bin). I re-flashed the ECU back to stock to un-marry the SCT tuner.

Just for my own knowledge. What do you mean by binay comparison?
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Re: New to Quarterhose and TunerPro

Unread postby Bullitt5566 » Sun Jun 11, 2017 2:13 pm

Files attached.
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Re: New to Quarterhose and TunerPro

Unread postby decipha » Mon Jun 12, 2017 4:16 am

binary comparison is when you run the bin through a disassembler and do a comparison of the code since you cannot do an a/b comparison with two difference strategies

KSG2 has the same basic configuration as GIZ2

I looked through your tune and your tuner clipped the injectors and the maf, no fault of their own just ignorance

heres your modified tune for cvaf1 with your maf and injector data copied over scaled by 50% to prevent clipping the maf and injectors

you prob have to dial the fuel in since its unclipped now it'll most definitely be off that the ecu can actually calculate what its getting now
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decipha
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Vehicle Information: Supercoupin' x10
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91 4r70w - Skarlett
92 (2x) 5spd & auto - Bianqa, Andrea
93 auto - Danika
94 5spd Rionda
95 auto Aisha
Vehicle 2 Information: Others:
00 Lincoln LS - Luanda
98 Camaro SS - Bounquisha
02 Harley F-150 - Sasasha
03 Marauder - DyShyKy
00 Explorer 5L - Bernyce

Re: New to Quarterhose and TunerPro

Unread postby Bullitt5566 » Tue Jun 13, 2017 8:46 am

I loaded the bin file provided and it runs ok, but needs work. The MAF has a MAFia attached with a .76 scaling and I may remove it for tuning. I saw that the hi and low injector slopes were scaled by 50%. Was the MAF curve also scaled? If I wanted a MAF curve for the 90MM LMAF would I just import the default MAF settings, does it need scaled? Is it necessary to scale the injectors and MAF? They were not scaled previously and I thought that was the purpose of the MAFia. With the MAFia I scaled the MAF curve and left everything else alone. Also what settings were imported into the bin file? Just the injector data and MAF? The previous tune had stock 60lb injector values and the default 90mm LMAF curve. It seemed like a good starting point, therefore I may start a fresh tune with those parameters. Sorry for so many questions.
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Re: New to Quarterhose and TunerPro

Unread postby decipha » Tue Jun 13, 2017 7:33 pm

why are u running a mafia if u dont need it?

yes i scaled the injectors and maf exactly in half from what u had

yes for a stock 90mm just load in the stock curve, you will have to scale it the same percentage as you scale the injectors though

the purpose of the mafia is to give you more maf range to read more power, has nothing to do with scaling

yes it is required that you scale your tune for your injectors regardless, your 24mhz processor cannot calculate 60lbs injectors fuel mass, the limit is in the comments of the slope scalars in tunerpro
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decipha
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Joined: Mon Jul 15, 2013 5:29 pm
Location: New Orleans, LA
Name: Michael Ponthieux
Vehicle Information: Supercoupin' x10
90 (4x 5spds) - Dante, Ruby, Daja, Ava
91 4r70w - Skarlett
92 (2x) 5spd & auto - Bianqa, Andrea
93 auto - Danika
94 5spd Rionda
95 auto Aisha
Vehicle 2 Information: Others:
00 Lincoln LS - Luanda
98 Camaro SS - Bounquisha
02 Harley F-150 - Sasasha
03 Marauder - DyShyKy
00 Explorer 5L - Bernyce

Re: New to Quarterhose and TunerPro

Unread postby Bullitt5566 » Wed Jun 14, 2017 6:52 am

Don't want to take up too much of your time. The last time the car dyno'ed at 572 and maxed out the MAF, hence the MAFia. But right now I'm concerned with idle quality, specifically getting the engine down to idle without overshooting, stalling, or hunting. The cams are Comp Cams XE270's with 10 degrees of overlap. It is absolutely playing havoc with the idle and dashpot. I've adjusted injector delay and the dashpot in the SCT software and have it close, but at times the idle either hangs or drops like a rock and stalls. It seems like the dashpot has no effect at times. I swapped the stock cams back in and everything was fine so I know the cams are the problem.

So are you saying the ECU cannot get the injector pulse width small enough? Just curious.
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Re: New to Quarterhose and TunerPro

Unread postby decipha » Wed Jun 14, 2017 3:21 pm

no I didn't say that, I said your ecu will not accept a slope value of 60 it is incapable of calculating it
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decipha
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Joined: Mon Jul 15, 2013 5:29 pm
Location: New Orleans, LA
Name: Michael Ponthieux
Vehicle Information: Supercoupin' x10
90 (4x 5spds) - Dante, Ruby, Daja, Ava
91 4r70w - Skarlett
92 (2x) 5spd & auto - Bianqa, Andrea
93 auto - Danika
94 5spd Rionda
95 auto Aisha
Vehicle 2 Information: Others:
00 Lincoln LS - Luanda
98 Camaro SS - Bounquisha
02 Harley F-150 - Sasasha
03 Marauder - DyShyKy
00 Explorer 5L - Bernyce

Re: New to Quarterhose and TunerPro

Unread postby Bullitt5566 » Thu Jun 15, 2017 7:40 pm

Do you have a unmodified version of the KSG2 bin?
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Re: New to Quarterhose and TunerPro

Unread postby decipha » Fri Jun 16, 2017 2:47 am

what good will that do?

KSG2 is an RVAFA strat, u wont be able to view it
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decipha
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Posts: 12914
Joined: Mon Jul 15, 2013 5:29 pm
Location: New Orleans, LA
Name: Michael Ponthieux
Vehicle Information: Supercoupin' x10
90 (4x 5spds) - Dante, Ruby, Daja, Ava
91 4r70w - Skarlett
92 (2x) 5spd & auto - Bianqa, Andrea
93 auto - Danika
94 5spd Rionda
95 auto Aisha
Vehicle 2 Information: Others:
00 Lincoln LS - Luanda
98 Camaro SS - Bounquisha
02 Harley F-150 - Sasasha
03 Marauder - DyShyKy
00 Explorer 5L - Bernyce

Re: New to Quarterhose and TunerPro

Unread postby Bullitt5566 » Sat Jun 17, 2017 12:20 pm

I'm not a fan of the manual idle adjustment or open loop at idle as it hesitates during the transition from idle to part throttle. I tried this in a previous SCT tune and even with the "Load with Failed MAF" dialed in it didn't work. I also read up on what you said about scaling the MAF. The last time the car was on the dyno (about 2 years ago) the tuner (not me, but will remain nameless) said to install the MAFia and scale the MTF. Obviously scaling the MAF by 1.24 will exceed the MAF limit. Obviously the correct way is to leave the MAF and scale the injectors.

I can undo those items in the bin you made, but the problem is that I don't have a reference to know what to default values are.
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Re: New to Quarterhose and TunerPro

Unread postby decipha » Mon Jun 19, 2017 1:37 am

if it hesitates going to part throttle that means your tune isn't dialed in

LWFM has no relation to either base fuel or idle airmass

the 'correct' way is going to depend on how much the new maf flows, if it exceeds the clip limit the ecu can calculate then your only option is to scale it back per the scaling write up, same applies for injectors that clip the injector size limit

default values for what particularly?
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decipha
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Posts: 12914
Joined: Mon Jul 15, 2013 5:29 pm
Location: New Orleans, LA
Name: Michael Ponthieux
Vehicle Information: Supercoupin' x10
90 (4x 5spds) - Dante, Ruby, Daja, Ava
91 4r70w - Skarlett
92 (2x) 5spd & auto - Bianqa, Andrea
93 auto - Danika
94 5spd Rionda
95 auto Aisha
Vehicle 2 Information: Others:
00 Lincoln LS - Luanda
98 Camaro SS - Bounquisha
02 Harley F-150 - Sasasha
03 Marauder - DyShyKy
00 Explorer 5L - Bernyce


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