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NoLa Rolla
'05 Corolla S 240K+ miles ('98 Corolla VE deceased in 2008)
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682 Posts
Discussion Starter #1
Does anyone know if the oil pressure sending unit is like an on/off switch or does it send the actual pressure to the computer?

Gil
 

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NoLa Rolla
'05 Corolla S 240K+ miles ('98 Corolla VE deceased in 2008)
Joined
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682 Posts
Discussion Starter #3
Thanks Buurin. That's what I thought was in there. I'd rather have a gauge than an idiot light that comes on too late.

Any chance of installing a gauge? Does the oil switch go to the computer at all? I got my Haynes manual someplace but too lazy to look for it.

Gil
 

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Beware of pigs
Little Pig
Joined
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2,446 Posts
Thanks Buurin. That's what I thought was in there. I'd rather have a gauge than an idiot light that comes on too late.

Any chance of installing a gauge? Does the oil switch go to the computer at all? I got my Haynes manual someplace but too lazy to look for it.

Gil
They do install a gauge in its place when doing tests.

Per my factory manuals the switch does not go to the computer. It closes at 19.61kpa. Normal oil pressure at idle is 29kpa. I'd prefer if it closes at 26kpa (10% below normal).

So I think it is perfectly possible to wire in an oil pressure gauge. Eye candy aside, it can be pretty helpful at times. :thumbup:
 
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