AF vs SilverBullet Showdown

[glass3222]

I think you need to finish the exhaust. The front o2s give feedback to the pcm to adjust a/f ratio and I think having them uninstalled then in with open headers confused the pcm. Once you get the exhaust done, return the truck to stock program with the SC, then do a hard reset (disconnect the neg battery terminal for at least 20 minutes), then reload the 91 tune and see what happens.

 

[Silverbullet08]

im trying to figure out what im gonna do. i think im just gonna go up to a shop. have them open the cats up to 3'' and then just bolt them on till i can drive it there and get the rest of it done...

 

[ramhunter9]

would you do this again nick ? or pass and not have attempted this if you knew it would turn out this way ?

 

[Silverbullet08]

would you do this again nick ? or pass and not have attempted this if you knew it would turn out this way ?

lol my mom asked me earlier? i prob wouldnt have changed it. just maybe wouldnt have done it all at the same time...

 

[Off_Road_Teacher]

Once you get it figured out it will all be worth it.

 

[truckin151]

Its all worth it. Once you get it dialed in you'll be grinning ear to ear. Just gotta go through the steps to get it done and working right. Hopefully its just the fuel or lack of issue that is making this go so bad for you. The cats/rear O2s shouldn't have anything to do with it though, I ran mine with no cats and no rear O2s for about 2 weeks with no issues and there are plenty of guys doing that as it is. Something just isn't right.

 

[Silverbullet08]

the thing that is getting me is that it started twice and idled just fine for both for about 5 mins each then it went to ****...

 

[Bigtman07]

Just a random thought. Could it have jumped time??? Just a random thought.

 

[truckin151]

the thing that is getting me is that it started twice and idled just fine for both for about 5 mins each then it went to ****...

Temps are good? Not over heating or running hot?

And the MAF sensor is plugged in?

 

[Off_Road_Teacher]

the thing that is getting me is that it started twice and idled just fine for both for about 5 mins each then it went to ****...

That makes it sound like a rod jumped out. How else would it have run fine then gone bad? If it was wires or something melted it wouldn't have run fine at first. If it was an issue with the PCM learning the cam it also would have been bad from initial start.

 

[Oefootball_70]

Random, but nick do you ever disconnect the Throttle body during the came install?
My truck did the same thing and it was the sensor on the TB position sensor so it would die if I didnt give it gas continually. If I wasn't giving it gas at a stop it stalled out. I would check the connections on the TB. I know its random but it might help.

 

[Redtruck-VA]

This is old school, but fire it up and let it die. Then pull a spark plug that is easy to get at and look at it to see if it is lean or rich. Make sure the inlet is clear of rags. My feeling is it's the o2 sensor or a wire too close to a header.

 

[truckin151]

You put the right O2 sensors back in right? the fronts and backs are different...

 

[AF_Hemi]

And you're sure they are solid connections on the extensions?

 

[Silverbullet08]

You put the right O2 sensors back in right? the fronts and backs are different...

yes im not a complete idiot...

And you're sure they are solid connections on the extensions?

yep...

i only had to splice the driver side. passenger side reached...

 

[Off_Road_Teacher]

Have you tried it yet today Nick?

 

[Silverbullet08]

Have you tried it yet today Nick?

nope and problem wont. its sitting at my parents house...

i have no way to get to it today. and i have class at 11,230, and 530...

 

[Silverbullet08]

Random, but nick do you ever disconnect the Throttle body during the came install?
My truck did the same thing and it was the sensor on the TB position sensor so it would die if I didnt give it gas continually. If I wasn't giving it gas at a stop it stalled out. I would check the connections on the TB. I know its random but it might help.

tb wasnt disconnected...

 

[sawcut64]

''You cannot cut and splice oxygen sensor wiring since this can permanently damage the sensor and considerably reduce accuracy of the signal. These extensions are "Plug-And-Play" and utilize OEM connectors, terminals and seals with OEM wiring to maintain precisely accurate signals and safely extend the wiring connections. Note: Please check your connector shape and color to see if it matches your application.''

just read that on airram. is that correct?

Sorry if this has already been addressed but DAMN this thread is HUGE. One thing that comes to mind when lengthening wires on the O2 is they have two white a black and a gray, the whites could easily be mixed up during the lengthening process. If they are it could/would, pardon my French...**** **** completely up. I have two extra 05' sensors but for the life of me can't remember if they're front or rear. I just installed heads yesterday and had the guy unhook his headers and then hook them back up when we were done, anyway he forgot to reconnect the front O2 sensors and it would not idle after the first few minutes. Just lots of stalling and some surging, then after he hooked them up it still would stall, even after we reset the PCM. The only thing that made it idle was about 10 miles or so of driving, then it idled fine. With the open exhaust like this its a massive exhaust leak, and even though the O2's are now installed, the PCM is reading all sorts of funky thinks because of it. I'm not saying this is 100% your problem, might be, might not be, but it is a problem so get her all buttoned up and we can go from there. A Sidewinder is not such an aggressive cam that it needs tuning to even run, I've installed several and only one guy had issue's with running and that was after running around with it...still not sure what his problem is but his is no where as severe as yours.

 

[KGBIGCOUNTRY]

Could he be a tooth off and not throw the code??? Im not sure if its possible to not throw it just tossing out an idea... we almost need a new thread just for trouble shooting this problem and cross it off the list as we go.