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Turbo Jimny

Rhinoman
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11 Oct 2016 22:50 #173407 by Rhinoman

Replied by Rhinoman on topic Turbo Jimny

Tom1357 wrote: but would the standard ECU be able to compensate and be sufficient for a low boost setup?

No once the ECU sees the pressure go above the initial barometric pressure reading it'll start to raise the baro reading, once that goes outside the preset diagnostic limits then the ECU will fall into limp-mode.

Some Suzukis and a bunch of motorcycles.

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Keithy
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15 Dec 2016 09:02 #175671 by Keithy

Replied by Keithy on topic Turbo Jimny

Rhinoman wrote:
Tom1357 wrote: but would the standard ECU be able to compensate and be sufficient for a low boost setup?

No once the ECU sees the pressure go above the initial barometric pressure reading it'll start to raise the baro reading, once that goes outside the preset diagnostic limits then the ECU will fall into limp-mode.

Not sure it had a limp mode Rhinoman.....the CEL was a constant addition whenever it saw boost but I never noticed any change in performance....so much so that I had a permanent resetter installed

I'm going to call the mod a success as it's been fine since installation....not blown up or melted.

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Rhinoman
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18 Dec 2016 21:04 #175784 by Rhinoman

Replied by Rhinoman on topic Turbo Jimny

It has many fail safe modes. I would hazard a guess that the fault code was for the MAP sensor from which barometric pressure is derived. It'll default to a TPS/RPM based algorithm which is set quite rich so that probably helps on boost.

Some Suzukis and a bunch of motorcycles.

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Keithy
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05 Jan 2017 01:19 #176247 by Keithy

Replied by Keithy on topic Turbo Jimny

Correction....I knew I'd spoken too soon!

It threw a conrod Monday......it's a 1.6 M16A turbo now......video of the failure and some pictures to come later.

Failed at 89.907 miles....got the new engine from Supergaz Monday night and finished the swap over tonight.

First drive of it in the morning....

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Paul_sterling
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05 Jan 2017 08:00 #176248 by Paul_sterling

Replied by Paul_sterling on topic Turbo Jimny

Keith,

Any indication as to the location of the failure of the rod?

we had a quick chat at work on hearing about the failure, and reckon a likely contender is a big end bolt, which if it is, is probably not due to the turbocharging, as big ends fail in tension (high revs) rather than compression (big bangs). of course the rod could simply have buckled and failed under the additional power, but I doubt it, as it wasn't that much of an increase was it?

Paul.

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Keithy
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05 Jan 2017 10:45 #176250 by Keithy

Replied by Keithy on topic Turbo Jimny

Post mortem tonight.....not a big end....I can see the bolts are still there.

I think a valve started it.....my guess for now (spark plug is flattened but not really looked deeper...busy swapping the engine)

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