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Old Jan 11, 2006 | 07:11 PM
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Betthebux
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PCM upgrade

Does anyone know of any issues after upgrading a pcm. I am supposed to be getting a dpc-422 from DP-Tuner to replace my dpc-402 on my early 99. They sent the wrong one today but after a call he says he will send the right one tomorrow. Did a google search and found out some people have had some problems after the switch. Just wondering if anyone has done this and what was the result.
 
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Old Jan 11, 2006 | 07:45 PM
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What sort of problems?
 
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Old Jan 11, 2006 | 07:55 PM
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Originally Posted by cookie88
What sort of problems?
Cruise control light staying on. One guy claimed high egt's and defueling. Codes for AIH when early 99 didn't come with one.
I don't think I will see a problem but wanted to know if anyone has done this.
 
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Old Jan 11, 2006 | 08:04 PM
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I see. Nothing of that sort comes to mind as recently posted. I'm sure you'll let us know how it goes.
 
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Old Jan 11, 2006 | 08:36 PM
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Here's the whole story so far. Today they sent me the Dpc-402 reflashed with the 40 hp tune in error. When I first ordered Jody recomended I go with the dpc-422 because it has better programming. 402 uses xle 422 uses pmt. "Much better trans strategy" All this means nothing to me except I stick the reflashed 402 in just to see and it works great. Much quicker smoother shifts and more power. The system he sent is $75 The one I ordered and he is sending tomorrow is $225. Would like to know if I'm getting $150 worth of improvment. Hoping someone has some insight.
 
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Old Jan 18, 2008 | 01:28 PM
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Originally Posted by Betthebux
Here's the whole story so far. Today they sent me the Dpc-402 reflashed with the 40 hp tune in error. When I first ordered Jody recomended I go with the dpc-422 because it has better programming. 402 uses xle 422 uses pmt. "Much better trans strategy" All this means nothing to me except I stick the reflashed 402 in just to see and it works great. Much quicker smoother shifts and more power. The system he sent is $75 The one I ordered and he is sending tomorrow is $225. Would like to know if I'm getting $150 worth of improvment. Hoping someone has some insight.

What ECU did you go with? I am looking at the same issue.
 
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Old Jan 18, 2008 | 03:24 PM
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You would need to talk to Jody about the difference in price. Usually, a trade plus a tune is $75 and an outright buy of a PCM with a tune is $225. Sounds like there is some confusion...talk with Jody. I have an early 99 and I purchased a PMT1 from Jody with a 80 econo tune. Best money I have spent on my rig (and I have spent my share). Later, I put a flip switch over the PMT1, but if I ever take out the chip for any reason, I still have the best tunes around. I HATE driving with stock programing!
 
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Old Jan 18, 2008 | 03:35 PM
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Thanks for the info. I have been talking with Jody. I just need to verify my PCM and decide on the tune. It sounds like the 80 eco is a good all around setting.
 
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