help needed for a new guy.

[jabartram]

i'm new to hpt but not new to tuning, im still learning this software so im hoping for some kind help, i have a constant p0132 code for running rich, i'm at a loss as to where i should try to adjust now. i'm attaching my latest scan, and my latest file. im still trying to figure out how to look at a scan and see problem areas with hpt software, im still watching videos and reading and a bit frustrated. thanks for any help.

[Google]

looking at your log.. 02mv is maxed out and the pcm is still adding fuel.. load a stock file and scan it.. if the 02mv is still staying up at 900+mv then replace your 02 sensor.. if it comes down then you know it is in the tune.

have you been clearing the trims after tuning changes?

[jabartram]

i no longer have a stock file, so ill have to go with an o2 sensor first. how do you read the scans properly to come to that assessment? i cant make heads or tails from it yet.

[cobracmdr]

i no longer have a stock file, so ill have to go with an o2 sensor first. how do you read the scans properly to come to that assessment? i cant make heads or tails from it yet.

I'm sure there is a stock tune in the repository. You can also use the calibration from a grand am gT with a 3.4 to get you back to basics.

always safe your stock tune for reference.

Ken

[AleroB888]

The LTFTs look off, what fuel pressure are you running? Can you try setting the IFR to a constant value across the board (like 25), so that the trims become zero or slightly negative after a scan? The 12.5 target AFR may be a bit low, as well.

Also not seeing activity on the STFTs. If that happens after reseting trims, try hitting "close log file" at top of scanner, then restart scan.

[jabartram]

I installed a new o2 sensor, and i will be running a new scan shortley, hopefully with different results.

[jabartram]

I'm sure there is a stock tune in the repository. You can also use the calibration from a grand am gT with a 3.4 to get you back to basics.

always safe your stock tune for reference.

Ken

the problem is i started using a powertuner, and never received a stock bin file from them, so i have never had a stock file for my car.

[AleroB888]

the problem is i started using a powertuner, and never received a stock bin file from them, so i have never had a stock file for my car.

For reference only, here is the file from my stock 2003 Alero V6:

809-022307-Alero.hpt

The transmission tables are not the same as a GrandAm GT.....

[jabartram]

The LTFTs look off, what fuel pressure are you running? Can you try setting the IFR to a constant value across the board (like 25), so that the trims become zero or slightly negative after a scan? The 12.5 target AFR may be a bit low, as well.

Also not seeing activity on the STFTs. If that happens after reseting trims, try hitting "close log file" at top of scanner, then restart scan.

i have 28lb injectors, stock ifr shows 21.31 for 22.5lb injectors, when i do the math(if im correct) my 28lb injectors should be set to 17.12. is this correct? which means im running way rich. but my wideband nearly always shows proper afr? i have a new season of autocross starting in January im hoping to get things tweaked before then.

fuel pressure is adjustable, im running approx 48 psi at idle.

[AleroB888]

i have 28lb injectors, stock ifr shows 21.31 for 22.5lb injectors, when i do the math(if im correct) my 28lb injectors should be set to 17.12. is this correct? which means im running way rich. but my wideband nearly always shows proper afr? i have a new season of autocross starting in January im hoping to get things tweaked before then.

fuel pressure is adjustable, im running approx 48 psi at idle.

I am running 28 lb. Trailblazer injectors, also. I have tried different fuel pressure settings, and adjusted the IFR accordingly. The lowest I used was around 23 with the stock 1999 regulator, which had a fuel pressure of about 38. For a fuel rail pressure of 45-48 I used an IFR of about 25.

I also tried fuel pressure set to 58-60, to get more output from the injectors, and a setting of 28 for the IFR produced average LTFTs close to zero. But drivability was not good with that high fuel pressure.

I can't explain the readings you got on that scan, though. It's as if there is some failure mode going on, or the scan is not reading correctly.

[jabartram]

I am running 28 lb. Trailblazer injectors, also. I have tried different fuel pressure settings, and adjusted the IFR accordingly. The lowest I used was around 23 with the stock 1999 regulator, which had a fuel pressure of about 38. For a fuel rail pressure of 45-48 I used an IFR of about 25.

I also tried fuel pressure set to 58-60, to get more output from the injectors, and a setting of 28 for the IFR produced average LTFTs close to zero. But drivability was not good with that high fuel pressure.

I can't explain the readings you got on that scan, though. It's as if there is some failure mode going on, or the scan is not reading correctly.

but you are S/C'd so higher injector output is needed, im still n/a so i might be to rich? i wont make any changes till i get a chance to re-scan, i'm doing some suspension work this weekend so it wont be till next week.