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Chip in a '99 PSD

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Old Mar 15, 2005 | 10:36 AM
  #1  
Ed Willmott's Avatar
Ed Willmott
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Chip in a '99 PSD

This is going to sound like a dumb question but it never occurred to me before:

How do I tell if there is a chip in my truck?

I picked a buddy this weekend for a night out who had not seen my new truck yet. He noticed the boost and pyrometer gauges on the A pillar and asked me if it has a chip in it. I said no, but it made me think. I realize that I just considered the truck to be stock without really investigating.

I bought my truck from the estate of a friend of mine who died at the end of last year. His family has no idea what mods he did to the truck. So no help there.

He had done a lot to the truck such as adding a monster Nakamichi quad-amplified stereo, 9k winch, trailer brakes, Rancho shocks, larger tires. Maybe he had put in a chip. (I didn't even realize the shocks were adjustable until a FTE user pointed it out to me!)

So where do I look to determine the truth?
 
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Old Mar 15, 2005 | 10:45 AM
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what is the max boost you see? stock is around 15-18, if your getting quite a bit more than that then you probably have a chip
 
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Old Mar 15, 2005 | 02:23 PM
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Smeezy is correct. Also if it actually has a chip (not had a tuner used on it) you can see it hanging out of the pcm behind the e brake pedal. The plastic cover of the pcm will be cut out to expose it.
 
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Old Mar 15, 2005 | 04:13 PM
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Thanks,

The most boost I have seen is 17 and that is really stomping on it.

I'll check under the dash to be sure.

Once again FTE users come through with just the right info!

Ed
 
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Old Mar 15, 2005 | 05:01 PM
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with a max boost of 17 then i would guess you dont have any sort of chip or programmer
 
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Old Mar 15, 2005 | 09:14 PM
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I have the exact model you do with some mods. I have a chip and see around 30psi. My guess is no chip. Sounds like your work is half done. You have the proper equipment for the chip, just need to purchase one. I highly recommend one (its like waking a sleeping giant).
 
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Old Mar 16, 2005 | 12:47 AM
  #7  
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You got that right HP Junkie, I couldn't have said it better myself, when I put the Diablo 3 position chip on my beast, it really changed the animal, it's a completely different truck, I can easily punch 25-30 PSI and get my 38's rocking in no time.
 
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Old Mar 16, 2005 | 06:37 AM
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Regarding chips or programmers, seems like a lot of users suggest getting a larger exhaust first. What is your opinion?
 
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Old Mar 16, 2005 | 06:51 AM
  #9  
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Its a good idea to go with a new exhaust and intake. But more important is gauges, mainly a pyrometer to measure exhaust temps. You wont get the full poential from a chip/tuner without breathing better. My opinon is start with guages, so you know a baseline of your truck, and then go from there. Then you better know what your truck is doing with each mod. I wish I would have done it that way.
 
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Old Mar 16, 2005 | 06:54 AM
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Ok duh.... I just read the first post, and ya got gauges. I'm not awake yet! Go for a chip/tuner. Watch your egt's and you can add the exhaust later. either way, sounds like you set-up!
 
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Old Mar 16, 2005 | 07:01 AM
  #11  
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ltfox - well I do have the gauges but the pyro does not work. It is on the list of things to track down when it gets a bit warmer. (truck with a high camper-top doesn't fit in my garage!)

I don't know what brand of gauges they are but is the somewhere I should start looking for the pyrometer failure?
 
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Old Mar 16, 2005 | 08:56 AM
  #12  
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You may have a flip chip thats in the stock position.
 
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Old Mar 16, 2005 | 06:15 PM
  #13  
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I would check for something simple. Might be a power supply to the gauge. Does it respond at all when the key is on, or when the truck is running??
 
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Old Mar 16, 2005 | 08:07 PM
  #14  
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Originally Posted by vancouverpower
Smeezy is correct. Also if it actually has a chip (not had a tuner used on it) you can see it hanging out of the pcm behind the e brake pedal. The plastic cover of the pcm will be cut out to expose it.
Very often, the chip will be under the cover and you won't see it unless you slide the cover off.
Plus, if it's got a flash in it there will be no chip to see.
 
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Old Mar 16, 2005 | 10:46 PM
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Ltfox,

The pyro gauge does not respond at all. The boost guage works fine as does the illumination in both gauges...
Just another thing I'll have to fuss with in my spare time, like you said, check the simple stuff first.

Thanks
 
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