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post #1 of 7 (permalink) Old 08-20-2015, 03:16 PM Thread Starter
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Chip for Kl???

Looking in Google "hood Cherokee KL German" I found this:

http://www.cpa-chiptuning.de/en/chip...uning_2766.htm

True??
How many time can reduce the car life components?


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post #2 of 7 (permalink) Old 08-20-2015, 03:23 PM
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The odds of you reducing the life of your engine is far greater than the odds of you gaining any performance that you could actually feel. How these usually work is that they lie to the engine about some operating parameter, causing the engine to operate in a less efficient mode at best, keeping it in the inefficient mode long enough to cause sever wear at worst.

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post #3 of 7 (permalink) Old 08-20-2015, 03:33 PM Thread Starter
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Quote:
Originally Posted by Bill837 View Post
The odds of you reducing the life of your engine is far greater than the odds of you gaining any performance that you could actually feel. How these usually work is that they lie to the engine about some operating parameter, causing the engine to operate in a less efficient mode at best, keeping it in the inefficient mode long enough to cause sever wear at worst.

good to know.
I'll keep looking for a nice hood haha


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post #4 of 7 (permalink) Old 08-21-2015, 12:12 PM
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Reducing of engine lifetime depends on how often do you use the extra power. This type of chip does nothing else then telling the ECU wrong rail-pressure values. In effect, the Diesel-High-Pressure-Pump is forced to provide more pressure, as it would do under normal conditions.

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post #5 of 7 (permalink) Old 08-21-2015, 02:12 PM
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Toy and Amon, forgive me for not double checking engine types available in Europe, I had forgotten that there is a turbo diesel available to you that we here in the US do not have. Toy, from what I know of turbo tuning (which is not diesel specific) it would be most likely that for those sorts of gains they would need to be playing with more than just rail pressure. Are they playing with the boost levels too, fooling the system into thinking that MAP is lower, effectively not letting the computer see full boost, so it adds more? ?

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Sons rides 1997 328i and 1988 Samurai
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post #6 of 7 (permalink) Old 08-21-2015, 04:06 PM
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There ara many ways for tuning a Diesel engine. If you bring your car to a real tuning expert, they log into the engine ECU and play with all kind of parameters. These cheap tuning boxes, which you can see from Amon's link, just do a manipulation to the rail pressure sensor. They are plug and play and can be installed in less than 5 minutes. You just have to unplug the wire from rail pressures sensor and plug it into the box. Then a wire from the box has to be connected to the sensor - that's it.
I have never used such a box, because there is a risk of an engine damage. If you install it, you are out of warranty. Not an option for me.

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Last edited by Toy; 08-21-2015 at 04:09 PM.
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post #7 of 7 (permalink) Old 08-21-2015, 05:54 PM Thread Starter
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Quote:
Originally Posted by Toy View Post
There ara many ways for tuning a Diesel engine. If you bring your car to a real tuning expert, they log into the engine ECU and play with all kind of parameters. These cheap tuning boxes, which you can see from Amon's link, just do a manipulation to the rail pressure sensor. They are plug and play and can be installed in less than 5 minutes. You just have to unplug the wire from rail pressures sensor and plug it into the box. Then a wire from the box has to be connected to the sensor - that's it.
I have never used such a box, because there is a risk of an engine damage. If you install it, you are out of warranty. Not an option for me.

I'll keep like it comes from factory. I haven't any defects on my KL to start playing with this and get a real problem. I'm just curious if this things really shows a difference and gave 20% more power. I know all motors works always under the real max performance to prevent some damages and be exposed to work at hi conditions constantly. Years ago was easy to gain extra power with out electronic but with these new motors that all its electronic all its more sensitive.

If all goes well I'm planing to renew my kl in 5-6 years so I can go for a big motor in case I really need but for the moment it's end off for normal use. (More power more speed= Radars hahaha)


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