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fuel saving /power booster

anth69y
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16 Aug 2011 20:14 #20508 by anth69y

fuel saving /power booster was created by anth69y

hi everyone
just wondered if any of you good people have fitted a fuel /power boost chip like this

www.tuningwizard.co.uk/index.php?main_pa...119&products_id=2254

if so what do you think ,do they improve power or fuel consumption like they state or do they bugger up your jimny ?

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mark1971
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17 Aug 2011 03:57 #20518 by mark1971

Replied by mark1971 on topic Re: fuel saving /power booster

My mate built his own, it's just a potentiometer that makes the ecu think the inlet temp is colder than it actually is and let's more fuel into the mix. 40 bhp is quite an exaggeration in my opinion. Not sure of the long term effects it could have on the engine, I always file these away in the drawer marked urban myth along with those fuel saving magnets that attach to the fuel lines.

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Az1987
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17 Aug 2011 04:42 #20520 by Az1987

Replied by Az1987 on topic Re: fuel saving /power booster

As said above they work by tricking your engine ECU in to thinking the air going in to the engine is cooler than it is, so the ECU then up's the fuel. So all they do is make you car run rich all the time which will make you use more fuel and could poss damage the CAT as more fuel in the system means more undurnt fuel in the exhaust and higher emissions come MOT time.

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ooky_123
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Spank it !

17 Aug 2011 06:51 #20527 by ooky_123

Replied by ooky_123 on topic Re: fuel saving /power booster

you need some snake oil too ....

Former owner of Little "Ooky", who has now started a new life in Shetland

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facade
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17 Aug 2011 10:37 #20539 by facade

Replied by facade on topic Re: fuel saving /power booster

I had the opposite idea on the rangerover (with flapper air meter: I forget the code number)
I put a resistor in parallel with the engine temp sensor to fool it into thinking the engine was warmer to back the choke off and save fuel, as well as stopping it hunting at idle.

A jimny has an exhaust gas sensor that will trim the fuel when running at a steady speed and negate any fiddling with air temperature sensor.

If it suddenly breaks, go back to the last thing that you did before it broke and start looking there

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anth69y
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17 Aug 2011 15:18 #20554 by anth69y

Replied by anth69y on topic Re: fuel saving /power booster

that was more the idea not to get more power but to get better mpg ,its a great little plodder which i am happy just pottering around in but if i can improve fuel consumption that would be a bonus .
i wondered if any jimny owner had improved there mpg in any way or if it was as good as it gets from the factory

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fuel saving /power booster

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