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HP Tuners 2bar MAP OS

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Old 09-08-2011, 07:55 PM
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Default HP Tuners 2bar MAP OS

Guys,

I just installed the 2-bar MAP OS in my PCM and I can't get the car to start. Basically I don't have a MAF at all in the car. Just wondering if there aree setting in HP I need to set in a certain way with this new OS? I turned off the MIL for the MAF codes. Other than that nothing else. Wondering if it's still looking for the MAF?
Old 09-08-2011, 09:28 PM
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make sure the dtc's are set to no mil or mil on first error
Old 09-09-2011, 07:45 AM
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I think I have them set correctly. Here is a screen shot of what I have.
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MAF.pdf (134.2 KB, 636 views)
Old 09-09-2011, 08:28 AM
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you must set P101, 102 & 103 the same way.
Old 09-09-2011, 08:51 AM
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Thanks, I figured out how to set them now. A little new, learning.
Old 09-12-2011, 09:37 PM
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interseted in this i am having the same issue it acts like i need to do a vats relearn it will fire then just die
Old 09-13-2011, 05:51 AM
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Well I got the car to start on the weekend. Basically I had to hold my foot to the floor & tried & tried. Then I just turned the key & it fired & ran for about 5mins. It then shut itself off (like turning the key off), didn't feel like a normal stall. Crank it to start, won't start again. Not sure where to look now.
Old 09-13-2011, 06:35 AM
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Originally Posted by ostrich
Not sure where to look now.
Put a wide band on it and see what the A/F is when it does idle and when it starts.
Some info about the car/setup might help with an answer.
Old 09-13-2011, 07:27 AM
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Originally Posted by pwrtrip75
Some info about the car/setup might help with an answer.
This! A tune to look at, and a list of all mods are needed to make an assessment of what needs to be done.
Old 09-16-2011, 11:48 AM
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Dumb question. Did you set your VE table up after you switched to the new OS? Post up your tune.
Old 09-16-2011, 12:16 PM
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Not a dumb question. I didn't know I had to, so the answer is no. HEre is my bin. I'm running 60lb INJs. Thanks
Attached Files
File Type: hpt
2002 Iroc Initial6.hpt (460.4 KB, 337 views)
Old 09-16-2011, 02:08 PM
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Yea take a look at your Primary VE table. It is maxed out at 462%. The car won't run to well with that table. lol.

This automatically happens when you switch to a different OS. Just copy your VE table from the old MAF tune then paste into this new OS file. Car should start right up. You'll still need to tune the blocks above 105kpa if you wish to run in that region.
Old 09-16-2011, 02:14 PM
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Wow, thanks man. I'll re-paste it in and test. I will be so happy if it is. Keep you posted.
Old 09-16-2011, 02:15 PM
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Also, your injector data is wrong for 60lbs. injectors. Try to get the correct data put in place before you do any major tuning or the whole calibration will be incorrect.

On another note. With the change in OS a seperate PE table has been added for "boost enrichment". Please make the correct changes in this table before you go above 105kpa.
Old 09-16-2011, 02:22 PM
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Thanks. This should get me down the right path. Once I get the car to start & idle I can start tuning.
Old 09-16-2011, 02:23 PM
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Good Luck!
Old 09-16-2011, 03:14 PM
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Another trick to help with the first start after clearing codes...set those 3 DTC's to MIL on first error, and make sure the SES Enable boxes are unchecked.

After you've done that, get the car idling and take a look at your air flow at that moment, and copy that value into the MAF sensor 0 HZ table. When you clear codes on the car (or if it sits in storage without a battery) there is an instant when you first start it, where it tries to look at the MAF sensor before it's failed it. When it does it will see 0 Hz, so if you have 0 Hz set to register the airflow necessary for idle, (or just some number close to that) the car won't stall on the first startup in a situation like that. It will still fail the sensor and run off the VE table, and once it stores the code it won't matter for infinite startups until you reset them again...but it'll keep the car from stalling that 1 time if you care.
Old 09-25-2011, 06:35 PM
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Guys, thanks for the help. I had a chance to get at the car this weekend. This is what I found:

Pasted in my VE for a 2002 Camaro. I was able to get the car started. It ran for a a good minute or so, then shut off. It idled beautifully while it ran. Tried to start it again, wouldn't start. I re-wrote the calibration only and the car started right up, ran for a bit again, then shut off, then I couldn't get it started. Re-flashed started again, then shut off after a few mins?? Very strange, wondering if it's the PCM? Lost now again. I've attached the bin & log I have.

The engine had heads, small cam, Vortech SQ (no belt for now, so no boost) 60lb inj, running a fuel rail with a fuel pressure regulator. That's why I have my inj size the way it is in the bin.

Didn't do the 0hz MAF thing, wasn't sure how to do it.
Attached Files
File Type: hpt
Initial Setup 1.hpt (461.4 KB, 192 views)
File Type: hpl
log1.hpl (8.8 KB, 176 views)
Old 09-25-2011, 06:43 PM
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JUst though of something. Could it be VATs. I have it disabled, not exactly sure how it works, but the engine shuts off basically after the same amount of time everytime, and when I touch the gas pedal it doesn't do anything. Is there a bug or something I'm doing wrong? Just a thought.
Old 09-26-2011, 09:19 AM
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ostrich, please read my first post and apply the information within.


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