Recommendantions for oil pressure tester

Traveler74

New member
Just bought a 1996 T4R SR-5 and I am getting the dashboard idiot light coming on at IDLE. As soon as I increase the RPM's the light goes out. In the meantime, I'm NOT driving it until I fix this issue.

I have looked and looked online at Harbor Freight, Napa, Amazon etc for a low cost test gauge. I will be needing one that will tell me what my IDLE oil pressure is.

Does anyone have a recommendation as to a pressure tester that you think will give me an accurate psi at the low range ? If so, brand name ?

Thank you
 
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Just bought a 1996 T4R SR-5 and I am getting the dashboard idiot light coming on at IDLE. As soon as I increase the RPM's the light goes out. In the meantime, I'm NOT driving it until I fix this issue.

I have looked and looked online at Harbor Freight, Napa, Amazon etc for a low cost test gauge. I will be needing one that will tell me what my IDLE oil pressure is.

Does anyone have a recommendation as to a pressure tester that you think will give me an accurate psi at the low range ? If so, brand name ?

Thank you

I've got the basic harbour freight one. I'll snap a pic tonight as I plan to test the echo's oil pressure.

It does not include the 1/8 BSPT adapter needed for the 4runner but the included 1/8 NPT will work if you are gentle and careful with it.
 
I've got the basic harbour freight one. I'll snap a pic tonight as I plan to test the echo's oil pressure.

It does not include the 1/8 BSPT adapter needed for the 4runner but the included 1/8 NPT will work if you are gentle and careful with it.

Do you plan on using a tachometer at the same time you are testing oil pressure ? Haynes manual says, "Connect an accurate tachometer to the engine . Check the oil pressure with the engine running (full operating temperature) at the specified engine speed." But Haynes does not say what that engine speed should be .
My dash tach, before the trouble started (at IDLE, engine hot) read aprox 650 RPM.
 
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No name on it. Was cheap at HF. Has done the 4Runner, corolla and soon the echo.

I have a tach on the dash and one on my ultraguage. So yes, I note rpm. Usually get the wife to mind the rpms while I note the pressure.

The Haynes manual gives the specs on page 2c-1. Says at idle min 4.3 psi. Above 3000rpm 36 to 71 psi. Not sure how that compares to the Toyota fsm but likely close enough.
 

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Also watch your oil. Keep clean oil with good change intervals as I lost 6 hours on a 02 Camry just because the oil was bad. Even changed the 18 year sensor thinking it maybe going faulty.


Another issue can be the ground on the engine block near your oil pressure sensor being covered and caked in oil and its loosing its ground thus your sensor getting false readings.

Sent from my SM-J337V using Tapatalk
 

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