Experienced with TunerPro RT
Thread Starter
Racer
Joined: Aug 2007
Posts: 260
Likes: 2
From: Pensacola Florida
Experienced with TunerPro RT
I am looking for someone who is experienced with TunerPro RT to interpret some values for me. I did some logging, but dont know if I understand it all completely. My blm's are between 110 to 118. Are these #'s normal? Also, my O2 sensor readout is all over the place, and it's brand new Bosch OEM.
Racer
Joined: Jul 2006
Posts: 327
Likes: 1
From: Trenton Ga
your blms are showing your car is rich. the ideal bllm is 128. it shows you are any where from about 10 to 19% lean. there are a couple of ways to fix this. what cells is the car doing this in. also the good news is the car should to 128 as a base at 100 throttle and then use the pe table. for the wot fuel trim.
Last edited by byedan; Jan 28, 2009 at 01:07 PM.
Thread Starter
Racer
Joined: Aug 2007
Posts: 260
Likes: 2
From: Pensacola Florida
your blms are showing your car is rich. the ideal bllm is 128. it shows you are any where from about 10 to 19% lean. there are a couple of ways to fix this. what cells is the car doing this in. also the good news is the car should to 128 as a base at 100 throttle and then use the pe table. for the wot fuel trim.
I have an adjustable fuel pressure regulator...is it as simple as getting the right pressure?
Pro
Joined: Apr 2001
Posts: 744
Likes: 13
From: Lenoir City TN
I am not very familiar with this yet. I am learning as I go. The guy that programmed the chip says that I now have 89 vette programming for the cold start delete , but the car takes a very noticable longer cranking time to start the engine now. I sent the cold start injector to Jon at FIC, and he says the thing was stuck closed and the coil and spring was bad...so it wasnt getting any xtra fuel at cold start, but it started up like it did. As I understood it, 89 vettes were programmed to enrichen the injectors more at start up to make up for this.
I have an adjustable fuel pressure regulator...is it as simple as getting the right pressure?
I have an adjustable fuel pressure regulator...is it as simple as getting the right pressure?
The O2 readings are probably the cross counts, which is normal. Mine does the same thing.
http://www.thirdgen.org/techboard/di...uide-book.html
The above wed site, among others has a wealth of information available.
I have tuner pro, but any good program will show the same readings.
Hope this helps.
Last edited by cshuman; Jan 29, 2009 at 07:42 PM.
Racer
Joined: Jul 2006
Posts: 327
Likes: 1
From: Trenton Ga
i can not solve the cold start problem. the car is pulling fuel is what you blms are showing to get to 128, 128=perfect any higher is lean and lower is rich. but it is still in spec as you do not have a check engine light. easy way to fix this is tell the car the injectors are 10% bigger than they are that should drop you to about 1 to 9 percent in certian areas. if you look at your stblm it should be right around 128 as the computer is adjusting the fuel trim. Also i hate the idea of tuning a car with it not being in front of me
Pro
Joined: Jul 2002
Posts: 703
Likes: 0
From: Milwaukee Wi
I would pull codes from yte ALDL-ECU. It may not set a SES light but it may hold a code that is not frequent or hard enough to set light.
Coolant sensor tells car if it is cold adding fuel. Possibility it is that?
Do you have MAF sensor? what happens when it starts failing? What symptoms? I am SD(MAP).
Coolant sensor tells car if it is cold adding fuel. Possibility it is that?
Do you have MAF sensor? what happens when it starts failing? What symptoms? I am SD(MAP).
Thread Starter
Racer
Joined: Aug 2007
Posts: 260
Likes: 2
From: Pensacola Florida
I have done some datalogging, but dont know exactly where the individual logs are except the alal_log.adl file which contains all the logs...I can email this if it helps.....really stuck for now
Racer
Joined: Jul 2006
Posts: 327
Likes: 1
From: Trenton Ga
i am not sure that you are having any problems. 110 is getting close to problem zone but not there. you would tell the car the injectors are 10 percent smaller than they are. and go from there. Also is 89 mas air car if so you may want to clean your mass air meter before you do any thing
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Thread Starter
Racer
Joined: Aug 2007
Posts: 260
Likes: 2
From: Pensacola Florida
i am not sure that you are having any problems. 110 is getting close to problem zone but not there. you would tell the car the injectors are 10 percent smaller than they are. and go from there. Also is 89 mas air car if so you may want to clean your mass air meter before you do any thing
I still need to know where to look to see exactly what was changed from my 86 with iron heads in the programming verses the 89 programming that it was supposedly changed to. Where would I find the bins and defininition files for the comparison? That is so strange though...Jon at FIC siad my cold start injector was stuck closed, had a bad coil and a bad spring, so it wasnt even working to begin with, but it ALWAYS started right up. I dont understand it.
Pro
Joined: Jan 2004
Posts: 565
Likes: 0
From: Toronto ON
The '89 bin typically takes more cranks to start.
I'm not familiar with the "cold injector" of earlier cars, although I recall some time ago reading about work-arounds, so that's probably where you're at in your situation.
If I recall correctly, there's a table in the 6E mask that addresses cold start crank "pulses". Trial and error in that table may lead you in the right direction.
Personally, if the car feels right and doesn't ping, I'd just live with the longer cranking.
I'm not familiar with the "cold injector" of earlier cars, although I recall some time ago reading about work-arounds, so that's probably where you're at in your situation.
If I recall correctly, there's a table in the 6E mask that addresses cold start crank "pulses". Trial and error in that table may lead you in the right direction.
Personally, if the car feels right and doesn't ping, I'd just live with the longer cranking.
Advanced
Joined: Dec 2006
Posts: 53
Likes: 0
From: Newton KS
This might help on the extended crank problem:
forums.corvetteforum.com/c4-scan-and-tune/659743-make-your-89-start-quicker.html
forums.corvetteforum.com/c4-scan-and-tune/659743-make-your-89-start-quicker.html
Melting Slicks
Joined: Dec 2008
Posts: 2,772
Likes: 64
From: Mystic CT
I am looking for someone who is experienced with TunerPro RT to interpret some values for me. I did some logging, but dont know if I understand it all completely. My blm's are between 110 to 118. Are these #'s normal? Also, my O2 sensor readout is all over the place, and it's brand new Bosch OEM.
