My A/F gage (unreliable I know) is pegged on Rich. I sent you an email asking about which files to actually log with. Do I need to also do some logging with the hptdefault file you sent me? How long do you want me to log it?

 

yes there is one for idle and one for default, do a cold start with the idle lot and then save it and then cruise with the default. that way i can see if the ve is off really bad. if the a/f is always pegged or doesnt move fast, it may mean your o2s could use replacement

 

Ok, I'll do that as soon as I get home. Thank you very much for the help.

 

Well, couldn't get any logs since the changes I made had no effect whatsoever and I didn't feel like driving the car and stalling out everywhere I go.

Ok..... I've raised my idle values to this


And the idle airflow table I added 1g/sec up to 140* and 2g/sec 176-284

All of this has had no effect on the car's idle issues. I verified that the program was actually on the vcm and it was. Also, all my DTC's are cleared so I know for a fact it is getting the new programs.

So what gives..... what else could I change to get this straightened out?

Even though it won't idle and I can't get an accurate reading of IAC counts, should I open the set screw on the TB and do the TPS relearn procedure to maybe try to get it somewhat in line? If so, how many turns should I go?

Thanks.

 

see what the tps voltage is at no throttle, its hard to just make c hanges without any data. is there any way to get an idle log? or will it not idle at all?

 

whats your iac park position airflow?

 

Can I check tps voltage in hp tuners? If so, the only way I can do it is crack the throttle up to about 1500 and let off and try to get the reading then. If I'm not on the throttle at all it'll stall right away.

I can get it to idle by peddling it. But will that give accurate info to make changes off of since I'll be in the throttle a little bit?

 

I believe it's in the 140-160 range, unless I'm thinking of something else.

 

u can log it with the key on and engine off. and yes you can log with hp tuners that parameter. and no, any kind of throttle will throw off any readings needed for idle

 

Ok, should I try to mess with the set screw a little bit. Say maybe .5% or 1% at a time and then reset the TPS?

Maybe that'll get my IAC counts down enough for it to idle....I'll make sure to verify exactly what I'm doing with the set screw just in case I need to go back to where I started.

 

opening the throttle will raise the lower the iac counts. you want to have the tpv VOLTAGE, not position %, at 0.61 or so. try to get smoe sort of no throttle log of the car for me and send it. itmay behard but give it a shot, then give it some gas to get it to stay runnin and send that to me too

 

Alright, I'll try that. Probably the absolute longest I can get ya will be when it dips down to 600 or so and then jerks itself back up to about 1200 and then back down to 600, stutters and dies.

 

thats fine, definatly something i can work off of. what size injectors you have?>

 

Did you modify the VE table in the 400 800 1200 colums yet? I multiplied my 400 column by .70 the 800 by .80 and the 1200 by .90 and it helped the car hold idle to try and get the IAC reading. If your car is running really rich, it won't idle for crap.

 

Running the stock injectors still.

 

No I haven't.... where exactly is the VE table at? I'll get in there and change that stuff and try it tonight. The car is running....burn your eyes rich so hopefully that'll help lean it out and fix my issues.

 

yeah man i thought u did the ve table already if u went through the write up. ve table is in the airflow section, make sure you copy the right rows over to the secondary, i just assumed you did this since you were past this step already. do that and it should help it run a lot better. thats all i did to mine before start up, and increase airflow

 

Ok, just to clarify....... from the document
-Multiply the whole Cranking VE vs MAP vs RPM by .8
-The next part confuses me. Which do I modify the Primary or the Secondary? When I modify that what values do I copy to it and where from? The Cranking VE goes 40, 80, 120 whereas teh primary and secondary only goes 400, 800, 1200

Do I copy the Cranking VE table 400, 800, 1200 values and apply them to the Primary and Secondary VE? Is that all?

 

change both the primary and secondary, essentially its the same table except the primary is in steps of 10 kpa. just multiply them the same. i didnt even touch cranking ve on my car, dont nkow if it helps but i never messed with it. no do not copy cranking over. just multiply cell 400 in primary and secondary by 0.7, 800 by 0.8 and 1200 by 0.9

 

Thanks a lot. Got it all changed now.

Hopefully it works