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new CPS and installed chip and now stalls
ok we installed the new cps and the truck ran great. installed TW TS chip and now she likes to stall. plenty of power now she just likes to stall. some of the times the way it shuts off is "gently". someone suggested its the black cage around the computer putting too much pressure on it, and that removing it would cure it, as that fixed theirs.... someone help me out.
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when you installed the chip did you clean the silicone off well?
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yepp cleaned it very well
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Check your oil.
Nothing around the PCM will cause the truck to stall. There is no way to put pressure on the PCM and cause it to stall. Make sure the PCM is clean, the chip is fully seated and not moving. |
ok i will get it checked out asap. i gotta get oil changed anyways, so i will fill her up with rotella, take the chip off, clean it extra good, make sure it is fully seated, also thinking of replacing the ICP as well
think it could be because of the 15* pump on there now? i have a 17* ready to go on it... |
No, the 15* pump would not cause any issues at Low ICP usage. You might see some power loss at high RPM/usage but not down low.
When you remove the chip insure you have the keys in your pocket, not anywhere near the ignition. |
Originally Posted by CSIPSD
(Post 794538)
Nothing around the PCM will cause the truck to stall. There is no way to put pressure on the PCM and cause it to stall.
Go ahead and ask me how many tech calls I've had because people have put an unmodified PCM holder box back on and somehow managed to bolt it back in..... If a person decides to keep the black box and bolt it back down, it is a MUST to modify the box so it doesn't touch the chip. |
Originally Posted by PHPDiesel
(Post 794858)
Not quite.....
Go ahead and ask me how many tech calls I've had because people have put an unmodified PCM holder box back on and somehow managed to bolt it back in..... If a person decides to keep the black box and bolt it back down, it is a MUST to modify the box so it doesn't touch the chip. You are correct. |
so to narrow it down, I had the chip removed and my truck no longer stalls... gotta be the connection or chip or the burns themselves. I sent a message to tony hopefully he can give me some insight. if it requires me to send in the chip to reburn it then so be it.
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Most of the bad connections I've seen the truck will not even start. Not saying this is what always happens but just what I've seen.
Luke |
The tunes won't cause a stall. Regardless of who does the tuning, there's nothing in the tuning parameters that says "run for xx amount of minutes and then turn off".
So did you take the black plastic case off and try the chip? I'm betting you will find your problem. |
what do you mean? dummify it for me as I am deployed and gotta walk my wife through it
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Here's the black plastic case out of the truck:
http://i641.photobucket.com/albums/u...r/DSCN2491.jpg Here's the case modified to accommodate the chip: http://i641.photobucket.com/albums/u...r/DSCN2492.jpg Here's how I've been running my SD trucks for years (excuse the loose tape...it's only there to help when I have the emulator attached for live tuning) and I only use masking tape since I'm constantly changing PCMs and whatnot. You don't NEED the case, but the PCM will rattle around if you don't tape it down: http://i641.photobucket.com/albums/u...r/DSCN2490.jpg |
hmmm and this is a known problem? my wife said my buddy jeff trimmed the black cage some
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This is one of the only documented ones, but I have taken countless calls over the last 18 months with this same concern.
Power Hungry Performance Forum ---AutoMerged DoublePost--- If your wife is still having problems with the box modified so it's not contacting the chip, then you have a connection issue. You may have to have the contacts on the PCM board re-tinned. This will add material (and important thickness) to the terminals so the chip makes a solid connection. Check out the pictures I posted.... ---AutoMerged DoublePost--- http://dygytalworld.ehost-services13...e_1280x960.jpg http://dygytalworld.ehost-services13...e_1280x960.jpg |
i will send her pics of the contact area, but the chip is on its way to tony tomorrow morning. how does re-tinning happen and what is the cost involved in re-tinning
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Retinning is a fairly simple process with a cheep soldering iron and some rosin core electrical solder. Lay the hot iron on the terminals and feed a little solder into it. It might be good to practice on something that doesn't matter like a broken radio to get the technique down first but it isn't hard.
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how much is required to be put back on?
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Very little. Don't get too crazy with it.....if the contacts are "built-up" too much, the terminals inside the chip can be damaged.
The pictures I posted are a perfect representation (and no, I didn't do those ones). |
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