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HERE'S A WEIRD ONE FOR THE SN MASSIVE . . . ?!

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Old 06 May 2018, 03:42 PM
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joz8968
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Default HERE'S A WEIRD ONE FOR THE SN MASSIVE . . . ?!

Car: MY99 STi 5 (FMIC, 20g, 550s, etc...)

Went for a leisurely drive on this fine Sunday. No positive boost was used. Just trundling along, etc...

...When I noticed a orange light on the dash. It was the 'cat-on-fire' warning. It stayed on for quite a long time before going out. Then it came on very briefly a couple more times.

However, I'm fully decatted!

(I'm assuming the dormant cat-on-fire connector has been made waterproof and tied up out of the way, by the specialist when I had my mods done. Although I don't know for sure).


What's the explanation, folks?


Last edited by joz8968; 06 May 2018 at 07:10 PM.
Old 06 May 2018, 03:50 PM
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joz8968
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I guess it's coincidental that today is very hot (as, in addition, I rarely drive it for sustained periods, anyway).

That still doesn't explain away the lack of a cat, of course!

Last edited by joz8968; 06 May 2018 at 07:39 PM.
Old 07 May 2018, 12:10 AM
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The light is this...

Click image for larger version

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Not this precise one, but the graphics follow exactly the same idea i.e. 3 zigzag heatwaves rising off the bulge (cat?)

I ASSUME therefore it defo is a cat-on-fire light......and not just a general EGT light? Because if the latter, then I'm 'worried'...

Last edited by joz8968; 07 May 2018 at 12:12 AM.
Old 07 May 2018, 07:25 AM
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stonejedi
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The sensor is still reading,otherwise you could not get a signal to the dash to illuminate the dashlight.SJ.
Old 07 May 2018, 09:11 AM
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1509joe
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Wire ends when removed mustn't be insulated cause there's one sure thing if its not in the exhaust it definitely isn't hot enough outside to get illuminated.
Old 07 May 2018, 09:21 AM
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cable slipped and melted on a hot zorst maybe ?
Old 07 May 2018, 01:04 PM
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joz8968
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Thanks for your collective input.

Yeah, the free end has probably been left hanging and may have melted against the exhaust or somesuch - as you mentioned.

It's the only logical explanation.

(I'm up at RCM soon... I'll get them to check it all out.)


As said, (A) I never boosted; and (B) it wasn't exactly roasting hot ambients, anyway.


Cheers guys.

Last edited by joz8968; 07 May 2018 at 03:28 PM.

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Old 07 May 2018, 04:26 PM
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alcazar
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Tomorrow's headline in Joz-town:

"Impreza mysteriously burns to a hulk on owner's drive overnight"
"Police suspect foul play by whoever fitted the zorst"
Old 08 May 2018, 12:21 AM
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joz8968
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Ha.

Well, the mods were all fitted back in Nov 2011 IIRC. And the light has never come on till now!

Plus, of course, being decatted, the sensor's connector is not plugged into anything, anyway.

Last edited by joz8968; 08 May 2018 at 12:24 AM.
Old 08 May 2018, 08:00 AM
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alcazar
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Agreed, but the sensor probably is simply a heat=sensitive resistance, that gives low resistance and lights the light when hot.
Melted connector with a short circuit will do the same.
Old 08 May 2018, 08:26 PM
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The Rig
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Only way it can illuminate is if it's shorting as you don't have the sensor anymore , the connector is near front suspension turret
Old 08 May 2018, 08:45 PM
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joz8968
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Originally Posted by alcazar
Agreed, but the sensor probably is simply a heat=sensitive resistance, that gives low resistance and lights the light when hot.
Melted connector with a short circuit will do the same.
Oh yeh, I fully agree.


Originally Posted by The Rig
Only way it can illuminate is if it's shorting as you don't have the sensor anymore , the connector is near front suspension turret
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