Help with cam!!!!

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Old Mar 10, 2010 | 09:50 PM
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Exclamation Help with cam!!!!

I have a 2002 WS6 Trans Am and got a MS4 cam installed and tuned last week and my car wont quit dying when I drive!!! Its so frustrating!! I have spent so much money and it is not running right. It mainly cuts off when put in drive and reverse and when slowing down or stopping. So basically all the time! I keep getting told it is because my clamps are POS's and leaking real bad causing my car to run bad. I do not know what to do. I have a loudmouth y pipe and it is sounding bad when I give it gas. I dont know if I need to get a x pipe dual or what I have a Yank SS 3600 stall, and pacesetter headers. The car has been tuned twice and he said it willo not be tuned properly until the exhaust is fixed. Any suggestions?? I am hoping it is just the exhaust and not something else.
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Old Mar 10, 2010 | 10:01 PM
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who is the tuner? From what you are describing it should be able to be tuned to stay on....
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Old Mar 10, 2010 | 10:14 PM
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Did XHP or SNL tune it?

Sounds like something they would say. Just so you know the exhaust has NOTHING to do with the car dying.
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Old Mar 10, 2010 | 10:21 PM
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yeah that def. sounds like a tuning error... i mean even if every single primary was leaking at the flange, that would not cause your car to die, just sounds like a terd while driving... i'd get my money back and take it elsewhere...
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Old Mar 11, 2010 | 08:16 AM
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Originally Posted by Sam88Gta1
Did XHP or SNL tune it?

Sounds like something they would say. Just so you know the exhaust has NOTHING to do with the car dying.
True story about XHP. They couldn't even tune a set up they spec'd and built. It had the sake issues that the OP described plus it dies on me twice at highway speeds when I pushed in the clutch. Talk about dangerous to lose good steering and brake contol at 65.
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Old Mar 11, 2010 | 08:22 AM
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Originally Posted by Sam88Gta1
Did XHP or SNL tune it?

Sounds like something they would say. Just so you know the exhaust has NOTHING to do with the car dying.

Really?
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Old Mar 11, 2010 | 08:25 AM
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I'd take it to another tuner and have them look at it.

Like everyone else says it sounds like a tune job.
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Old Mar 11, 2010 | 08:34 AM
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Originally Posted by Mike TexaSS
Really?
She said it was leaking at the clamps.Leaking past the 02's will not make a car run in the manner she described.
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Old Mar 11, 2010 | 08:48 AM
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There are two idle speed parameters, one for park/nuetral, and one for in gear. Sounds like one of the two, if not both needs to be sped up.
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Old Mar 11, 2010 | 10:28 AM
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Originally Posted by Sam88Gta1
She said it was leaking at the clamps.Leaking past the 02's will not make a car run in the manner she described.
You can be leaking 6-8" away from a front 02 and its going to make the pcm dump fuel. I dont care if its a pin hole. If the sensor sees raw air it will add to the fuel trims. Which can make startup very rich.

We check everything mechanically before tuning. If the car has exhaust leaks or vacuum leaks we fix them. If you tune with leaks all your data is CRAP.

Is it the sole reason the car is dieing NO. But its not helping.
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Old Mar 11, 2010 | 10:30 AM
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Originally Posted by BAD APPLE SS
There are two idle speed parameters, one for park/nuetral, and one for in gear. Sounds like one of the two, if not both needs to be sped up.

Thats all you do. Set it for 950 rpms. Tuning is so easy!
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Old Mar 11, 2010 | 10:31 AM
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Originally Posted by Mike TexaSS
You can be leaking 6-8" away from a front 02 and its going to make the pcm dump fuel. I dont care if its a pin hole. If the sensor sees raw air it will add to the fuel trims. Which can make startup very rich.

We check everything mechanically before tuning. If the car has exhaust leaks or vacuum leaks we fix them. If you tune with leaks all your data is CRAP.

Is it the sole reason the car is dieing NO. But its not helping.
TRUE STORY.


Notice how all the people saying it's the tuning don't tune cars? On top of that you stuck a HUGE cam in your 346 auto car. Good luck with that.
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Old Mar 11, 2010 | 10:38 AM
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Originally Posted by Mike TexaSS
You can be leaking 6-8" away from a front 02 and its going to make the pcm dump fuel. I dont care if its a pin hole. If the sensor sees raw air it will add to the fuel trims. Which can make startup very rich.

We check everything mechanically before tuning. If the car has exhaust leaks or vacuum leaks we fix them. If you tune with leaks all your data is CRAP.

Is it the sole reason the car is dieing NO. But its not helping.
what are you like a shop owner/tuner and do this on a daily basis or something mr.knowitall????



jk
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Old Mar 11, 2010 | 10:40 AM
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Originally Posted by Mike TexaSS
You can be leaking 6-8" away from a front 02 and its going to make the pcm dump fuel. I dont care if its a pin hole. If the sensor sees raw air it will add to the fuel trims. Which can make startup very rich.

We check everything mechanically before tuning. If the car has exhaust leaks or vacuum leaks we fix them. If you tune with leaks all your data is CRAP.

Is it the sole reason the car is dieing NO. But its not helping.
Whoa slow down Mike!

I didn't say the o2's can't hurt the tune I simply said that is not her problem. The way she described when and how it's dying is not a problem with fuel trims.
If someone with enough experience tuned the car it would idle fine in the same condition it's in now.
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Old Mar 11, 2010 | 10:41 AM
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Originally Posted by LS1x2
TRUE STORY.


Notice how all the people saying it's the tuning don't tune cars? On top of that you stuck a HUGE cam in your 346 auto car. Good luck with that.
I do tune.
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Old Mar 11, 2010 | 10:43 AM
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Originally Posted by LS1x2
TRUE STORY.


Notice how all the people saying it's the tuning don't tune cars? On top of that you stuck a HUGE cam in your 346 auto car. Good luck with that.
There's nothing wrong with having a big cam in a 346 auto car. I have one in mine and it runs just fine!
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Old Mar 11, 2010 | 10:46 AM
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Originally Posted by Sam88Gta1
I do tune.
Lots of people tune. Some are better than others. Some would not touch a car with any intake/exhaust leaks.
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Old Mar 11, 2010 | 10:49 AM
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Originally Posted by LS1x2
Lots of people tune. Some are better than others. Some would not touch a car with any intake/exhaust leaks.
I never said I would tune a car with exhaust and intake leaks.

I'm far from a run of the mill tuner.
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Old Mar 11, 2010 | 11:15 AM
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Originally Posted by mike texass
thats all you do. Set it for 950 rpms. Tuning is so easy!
lol...
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Old Mar 11, 2010 | 12:07 PM
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Originally Posted by Sam88Gta1
She said it was leaking at the clamps.Leaking past the 02's will not make a car run in the manner she described.
So my gto is doing the same thing when I push the clutch in to stop it wants to idle wierd and die.
I do have a o2 thats stripped and leaking (im replacing tommorrow btw) but anyways when the check engine light comes on and off we put it on a programmer and it said lean bank 1 and rich bank 2???
Do you think it could be the o2 causing this? or the tune?
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