no, they cant tune with a tech 2. you need someone with a DHP Powertuner or HPTuners.
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10-11-2009
no, they cant tune with a tech 2. you need someone with a DHP Powertuner or HPTuners.
10-11-2009
Alright well there goes that idea. started checkin some more stuff out today. when i start it i get a massive amount of fumes out of the tail pipe and it smells like pure gas. pulled out the plugs and they all were black and practically dripping. i think my problem is probably the zzp pcm, right?
10-11-2009
LMAO!
Damn right that is the issue.
10-11-2009
well i guess im screwed then...so you think if i order an intense pcm and put it in it'll run like a champ? haha im just worried about how its blowing air OUT of the intake
10-12-2009
Backfiring OUT of the intake?
Taken off of website...common intake backfire issues combined with fuel injection...
A fuel injected engine may backfire if an intake leak is present (causing the engine to run lean), or a fuel injection component such as an air-flow sensor is defective.
Common causes of backfires are:
* Poor or unregulated engine timing is often a cause of intake backfires
* Improper wiring in the ignition can also lead to timing issues and intake backfires
* Low fuel pressure, clogged fuel filters, and weak fuel pumps could cause a severe lean air-to-fuel ratio during fuel injection
So...instead of wasting money on a PCM (which you should eventually in the future because ZZP's blows ass) right now...get your fuel situation figured out. I tell you what though...I've got a set of stockers here...shoot me a PM if you want about them.
10-12-2009
well im pretty sure the cat is toasted now...so should i do a catted dp? with a magnaflow cat? or just go uncatted? im in ohio
10-12-2009
emailed zzp, of course they are blaming everything besides the pcm. tested the injecter harness with noid lights earlier. i have good pulse. also disconnected dp and tried running it and it still died. so the clogged exhaust theory is shot. im also now throwing a trans circuit code, says trans circuit input high prndl or something. any new ideas?
10-12-2009
burn your zzp pcm, and replace it with one that works. What do your plugs look like?
10-12-2009
black and basically dripping gas
10-12-2009
i think im gonna break down and order hptuners tomorrow...anyone got some tuning advice?
10-12-2009
Are there no local Ohio GP guys that can tune it for you...should be WAY cheaper than just buying a HPTuners IMO.
btw...replied to your PM sir.
10-12-2009
i cant find anyone that can at least, i found a shop in toledo that does dyno tuning, but they want 475 to do it
10-13-2009
im gonna list what i pulled out of the scanner today:
DTC's
P0101- MAF of VAF CKT Range/Perf
P0300- Random/Multiple Cylinder Misfire
P0706- Trans Range CKT Range Perf
P1881- EBCM/EBTCM/PCM Misfire Detected Serial Comm Link
Data
AFR- 11.7:1 @ idle
Baro Press- 4.8v
Baro Press- 29"
Calc Load- 48%
FL Trim (BEM)CEL- 4
IAC Mtr Pos- 17
IAT @ Start- 54*F
IGN Advance- -10*
IGN- 10.90v
INJ Pulse- 5.75
KR- 0.0
LT FL Trim 1- 39.8%
LT FL Trim 1- 179
MAF RAW INP- 1738Hz
MAF (G/S)- 29.95
MAP- 29.2"
MAP- 4.7v
02SEN1- 8.9mv
02SEN2- 649mv
Pass Mis Fail- 88
ST FL Trim1- 128
TOT- 2.37
TOT- 66.2*F
10-13-2009
what the hell is up with your LTFT? and your timing?
what the hell is on that tune?
10-13-2009
you tell me! its rediculous they are now trying to tell me im using the gt tb on the blower.
10-13-2009
they=zzp? I did not know that zzp would do custom tunes unless you took your car there. I would start with checking the tune and go from there. I dont knowthe tune details should look like, so I am no help. I know basically nothing when it comes to programming/tuning a pcm.
10-13-2009
yea, now zzp is saying im running too small of injectors and making it run lean. hmmm isnt 11.7:1 at idle really rich?
10-13-2009
alright, convinced them im running 33# injectors. Now they want me to use my stock gt pcm and drive it around for a little bit. Isnt the timing way too agressive for the sc? I just want my money back from these people haha. I got all the flow charts for my codes today at school, and i traced everything like it said and it all refers me back to the computer.
10-13-2009
yeah...about that. if you use your GT PCM be prepared to take off your blower belt as well. the timing is higher and youll probably knock a lot if you get into boost heavily.
10-13-2009
Originally Posted by kfish
Now which is it, 11.7 or 16.7? One is rich, the other is lean.
If you really do have L67 injectors and TB, using the stock GT PCM is a very bad idea.
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