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Need help!!

OK, so that was a PITA. If it is under the long plastic cover, I found it. It seems to have 2 wires coming into it, one from each side. I tried for awhile to loosen the 2 nuts holding it on. After a bit, I just jacked up the car and looked at it from the bottom. The wire in the center is intact, so the mega fuse is OK. I have checked every fuse I can think of. Does anyone know of any other hidden fuses to check?

I'm hoping the PCM and XCAL show up tomorrow.

Rod
 
IT'S ALIVE !!! The xcal and pcm came this morning. I installed the pcm with the turbo tune loaded, checked everything and no juice. We spoke to Joey about running down wiring etc. One final check of all the fuses...and #40 (ignition) was blown. This is one of the square fuses that have a clear top. We took it out several times during this ordeal and it appeared to be ok. Jay took it out and noticed it looked alittle different. It was still touching, but if you shook it or turned it to the side it disconnected the other contact. We went to get one, and wow it now had dash/ignition power. Tried to turn it and no start. It did hiccupa little. So per Joey's thoughts we go to parts store for crank positioning sensor and cam positioning sensor. We replaced the crank sensor, and the cam sensor was the wrong one. We try it and it really wants to start. So Jay holds the throttle wide open and Vroom! He had to manually keep it running, for a bit. It has been sitting for almost 3 weeks. It smoked and smelled of new headers and grease covered exhaust for awhile. It eventually ran at idle. So crank sensor and blown-hard to see fuse kept this down for a week. In hind sight, I probably did not need to send the stuff to SCT, as I'm sure the fuse caused the error in the Xcal3. I took it for a drive and it wants to fall on it's face under light acceleration. If you ease into the gas it is ok, but it needs some tweaking. I'm gonna do some datalogging, and have Joey get it set right. I drove it to get gas and then for a few miles on highway. It held 7# on the highway under easy acceleration. I ain't right, but the BOV made me smile like a lil kid! Thanks for everyone's input. Thanks to Rawburt and Matt from MI. for the install. And Joey is a great guy. He knows these car front to back. Thank you sir. More to come!

Rod
 
Update, we have been datalogging for the past few days. Joey said the MAF numbers were way off. It also had the issues about it falling on it's face under very light load. Joey sent a tune adding 10% fuel. We remove some of the piping, and attached the MAF sensor directly to the intake. Wow, holds RPM's fine, accelerates under no load in the garage. So, we have a leak somewhere that is pulling in unmetered air after the MAF, thus scewing the numbers and making it run lean. Well we find the leak. We had a pipe that did not fit quite right. The 90 elbow coming off the cold side of the turbo needed to step down to properly seal the piping going to the MAF. We bought a section of 3" pipe and a 3" to 2 1/2" adapter, cut a short section of the 3" pipe and attached it all together. No more leak, I will have to purchase a 3 to 2 1/2 90, as it put some tension on the MAF harness by making the pipes longer. We did a datalog last night, and it was pretty good, obviously the 10% added fuel is coming into play. The exhaust smells like a chainsaw! :) I did new datalog this morning and it looks alot better. When we did thje load test, it held steady at all RPM ranges, this is something that did not happen before. I was finnally able to do a WOT pull w/o it falling on it's face. It's holding 7.5 to 8 psi, and it comes on real early. There goes my MPG!! I sent Joey the latest data this morning. I'm really anxious to see how nice it is when he smooths everything out.
I can't say enough for this guy. I have been bugging the crap out of him for days. He is troubleshooting my car from La. and I'm in Ohio. I could only imagine what he is capable of if he was right here. It's been a trying time, but I think we are almost there!

Rod
 
I was having MAF counts of 6..so we tried a little trick. Joey said to stretch window screen across the opening going into the MAF. I did this and got numbers at 104 at idle on the next datalog! I think we almost have it right. I have an o2 sensor issue. The back one may not have gotten hooked up, or it is bad. The low MAF numbers are making the computer think it is running lean. This combined with the o2 issues and I have driven 107 miles on a full tank of 93 octane! Once I got the MAF numbers up, the car had alot more metered air. The computer really upped the fuel, thinking it was lean. Joey is working another tune that should be spot on when I get the o2 issue cleared up. I will say that it is pulling around 8# and it makes you grin from ear to ear! I think it is almost dialed in. Joey knows our platform front to back. He is pretty good at troubleshooting from La. to Ohio!

Rod
 
The rear bank o2 sensor never got plugged in. I messed with the MAF, while datalogging and got it to 115 to 120. I could get it to 132, but I couldn't get it to stay there. With the o2 sensors plugged in and the MAF numbers up, we should be in business. JJoey is working on the tune now. Fingers crossed. I can't afford to go 100 miles on a tank of 93 octane!

Rod
 
2kSVT said:
I can't afford to go 100 miles on a tank of 93 octane!

Rod
Click to expand...

HA gas is still cheaper fro you guys then us here in Canada, you'll be fine :D. I'm getting bad gas mileage now as the TR6 Plug don't like the cold weather. Good luck with your SVT :).

Aaron
 
SVT SNOB said:
HA gas is still cheaper fro you guys then us here in Canada, you'll be fine :D. I'm getting bad gas mileage now as the TR6 Plug don't like the cold weather. Good luck with your SVT :).

Aaron
Click to expand...

SNOB, one of these days you need to explain to me exactly what happens when it gets cold with 42# injectors. I heard it wasn't good.
 
Well, it isn't perfect yet. My MAF numbers were way outta whack. I put the MAF right on the intake and it drove perfect...I gotta leak.

So, I pulled off the bumper cover and checked every coupler. I took every one off and re-connected them. I move the clamps so they can be tightened from under the car without any trouble. I found a few that were not real tight. I think the biggest issue was the passenger side of the intercooler. The coupler had been tightened down on the weld on the inlet. The clamp wasn't tight and because it was on the weld it didn't have a good seal. Some of the hard to reach ones near the turbo tightened a bit as well.
So I put it back together and re-installed the stock turbo tune. It ran alot better at idle right of the bat. I took it out for a drive and it is still pig rich. It dies at intersections and reaks of gasoline. My Livewire software is not working for some reason. After I get that fixed, I'll do some more datalogging and see what Joey can do. It starts to boost just past 2,500 RPM, and boy is it gonna be fun when it is tuned right. It might get a little better than 100 miles to a tank..but not much ;)

Rod
 
The stallign at intersections is normal for the first 60miles or so once a new tune is uploaded to the car or the battery is disconected and reconected. Everytime I have had my battery disconeccted and the car had to relearn the tune for the first 60miles or so the car would stall when coming to a stop.

Aaron
 
Damn Rod, I can't believe you are still having issues with this. You must have a really picky car or something. I installed my tune once and was ready to rip with my old car, no datalogging, no nothing. I did have a stalling issue when I came to a stop every once and awhile, but I was told that it was due to the VTA BOV. GL buddy, get that thing ripping!!!!!
 
unhook your BOV and see if the BOV is leaking under acceleration and go get you a PVC cap and drill in the air hose fitting buy you a 1/4" NPT tap at lowes and pressure up the turbo kit only you will find it. Joey
 
Seems to me like haste is making waste. Skipping over things that need to be connected and not having a proper seal.
 
Thanks Todd, but I don't think 3 weeks is haste. There were 5 people working on the install. I merely went over everything thinking we had a leak.

Well we did..the BOV was the issue. I changed the spring and it seemed to help a bit. I put in the other(strongest) and that helped a little more. You could hear air passing through the BOV under slight load. The was bringing in the extra air, which in turn the computer tried to compensate for by dumping tons of fuel.
The last issue was the recirculating BOV. for giggles we installed the hose from the intake pipe to the BOV as it was designed. It was the consensus of everyone involved that we could vent the BOV to the atmosphere. Well my car doesn't like it. When we hooked up the hose, it made ahuge differnce. We had 130 MAF numbers at idle immediatletly. The belching and hiccuping were gone. Joey is going to check the datalog, and maybe make some minor changes, but the stock turbo tune is running really well.

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