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DP Chip and ECU

Submitted: Friday, Nov 02, 2007 at 07:36

Farside91

Dear All

Is it possible for your ECU to counteract your DP Chip?

I currently have a 05 GU 3.0DT with a DP Chip. When I first installed my DP Chip (setting at 6) the vehicle used to pull like a freight train. Now it feels a lot flatter. I can only get the same amount of pull if I push the selector up to 9. At 9 the fuel consumption jumps up considerably. I have replaced the air and fuel filter with little difference. At one stage I though I had a loose connection at the injector pump so I ended up soldering the wire from the DP Chip onto the wire to the injector pump. This helped for a few days but then the system seemed to revert back.

Thanks

Angus
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AnswerID: 269743   Submitted: Friday, Nov 02, 2007 at 17:32

Member - Graham H (QLD) replied:

Big thread on this here

http://www.4wdmonthly.com.au/forum/f10/tuning-chips-dpchip-dtronic-tunit-rapid-steinbauer-more-26223/
Personally I would fit a Dtronic
Lots about the DP chip there also
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AnswerID: 269753   Submitted: Friday, Nov 02, 2007 at 18:42

Mike Harding replied:

Modern engines are pretty sophisticated pieces of kit. The major manufacturers spend millions developing them and most (all?) are now controlled by complex software which will have taken thousands of man-hours to develop. The manufactures aim for an optimum combination of longevity, performance and fuel consumption.

Any after-market chip, which will usually be produced by someone with very limited engineering resources, will make a compromise on, at least, one of the above.

Mike Harding
Reply 2 of 3
FollowupID: 532631   Submitted: Friday, Nov 02, 2007 at 18:45

Mike Harding posted:

To directly answer your question; yes, it's possible.
FollowUp 1 of 6
FollowupID: 532639   Submitted: Friday, Nov 02, 2007 at 19:20

Member - Olcoolone (S.A) posted:

"Any after-market chip, which will usually be produced by someone with very limited engineering resources."

Mike I think your answer is very naive, what makes you think these companys have very limited engineering resources.

Perhaps you should give Peter Luxon form APS a call and ask him about his backyard business....you might be able to give him some advice.

The aftermarket tunning industry is worth billions of dollars and it is not hard to find very good electronics engineers, software developers, programmers and mechanical engineers.

Most of the major vehicle manufactures turn to these companys if the want to do something special.

It might take thousands of hours to develop the software for new vehicles but it takes less time to optimise it.

So why do you think these companys have limited resources?

Modern diesel engines arn't that smart compared with modern petrol engines.

Why arn't you a fan of diesel tunning chips or is it that you just don't undersatnd them.

Regards Richard

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FollowUp 2 of 6
FollowupID: 532799   Submitted: Saturday, Nov 03, 2007 at 16:20

Andrew Main posted:

Car companies go to huge lengths to cut costs on their vehicles whilst still trying to maintain quality. Do you honestly think that if they could get an extra 20% power without any effect on the lifetime of the engine they wouldn't do it?

It takes thousands of hours to write and _TEST_ software for new cars and EMS, there is a vast amount of effort that goes into ensuring the long term reliability of an engine and I wouldn't trust my new car to a couple of 20-something year old engineers messing around with the lookup tables in the EMS software.

FollowUp 3 of 6
FollowupID: 532812   Submitted: Saturday, Nov 03, 2007 at 17:13

Member - Olcoolone (S.A) posted:

So where do these twenty something year old engineers work?

Who are you refering to.

You must of got your information from somewhere.

Durability of an engine is a good one....if a engine maker only has a 20% power increase tolerance then there engine deserve to blow up.

Most vehicles are tuned to a less then optimin, there are alot of factors why vehicles are tuned that way.

NO tunning company will put a plug and play component on the market if it is going to cause damage.

Do you know of any chips that have caused damage and if so please tell.



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FollowUp 4 of 6
FollowupID: 532818   Submitted: Saturday, Nov 03, 2007 at 17:39

Andrew Main posted:

Do tuning companies guarantee that their devices won't cause problems and will they replace my engine if they do?

Will a car manufacturer still honour the warranty if I replace the chip?
FollowUp 5 of 6
FollowupID: 532837   Submitted: Saturday, Nov 03, 2007 at 19:17

Member - Olcoolone (S.A) posted:

Most dealers and manufactures will still warrant the vehicle if it has a chip fitted, it has to be proven that the chip caused the issue.

If you can prove to the chip makers that there chip caused the problem then yes most will pay....that is why businesses have insurance.

DP Power Chip has on there web site that they will warrant any new vehicle with a full engine and drive train warranty.

I don't think you understand the chip thing for diesels very much, you aren't talking about hugh power gains.

I supose you can say that the manufacture will refuse warranty for having suspension upgrades, bigger wheels and tyres, exhaust or the extra weight most 4x4's have to carry......

Same thing goes for LPG / Diesel combination or what about biodiesel.

Most people forget about stat warrenties that are still enforceble even when the factory warrent expires.

Most of the time it is not a pimple faced uni drop out who designs chips but well established and set up companys with alot of experiance.

Have a look at companys like DP who are diesel specialist or Dtronics who is owned by Peter Luxon, the same person who owns APS and Safari 4x4 products...







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FollowUp 6 of 6
AnswerID: 269754   Submitted: Friday, Nov 02, 2007 at 18:43

Member - Olcoolone (S.A) replied:

Angus, why don't you remove your chip and send it back to Andrew at DP Chips to have it checked.

Or there maybe something else wrong with your engine / electronics.

Regards Richard

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I just got lost in thought............. It was unfamiliar territory
Reply 3 of 3