Chipping a pajero

Petra to get meaningful replies it would helpful if you stated what it is that you want to achieve. What is your expectation?

Is the Pajero going ok and doing the job now , leave it alone ,

Hi Petra,
My mate who is a mechanic had a Pajero 2004 model and put a chip in it, but soon took it out as he didn't like the way it affected the car. I would not do it myself, you do not mention how many kms your car has done, if it has done a couple hundred thousand doing the injectors may help. My mate did say they are a great motor and have seen plenty with thousands of kms and not touched the motor.

Cheers
Rich

Your would probably get a better and cheaper result cleaning up the EGR system.

I have an 05 diesel Pajero. Short answer is yes, it is worth it. Blocking EGR is also a good idea but it will not improve performance anywhere near that of the chip. And I have done both.

Longer answer - The pre-common rail pajeros (which yours is) have a reasonably unsophisticated injection system and ECU. Thus the chip options are equally limited and basic. I have a DP chip in mine and when set correctly the performance difference is huge. The negatives are that to get the best performance gain it over-fuels a bit at idle and it is therefore smelly and rough at idle. But it brings boost in much earlier and will hold a full gear higher than before, powering over most hills in top gear. I unplugged my chip a while ago as I was annoyed at the idle but I soon put it back in as it was a slug without it.

You wont find many to choose from on the old rotary injection pump but they all do much the same thing - extend the pulse width sent to the injector pump.

Good luck - Pat