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Author Topic: Low oil pressure?  (Read 998 times)

Benny.banks

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Low oil pressure?
« on: 06 March 2013, 15:39 »
I just installed an aftermarket oil pressure gauge on my friends Audi a3 1.8t quattro and the hot ideal reading seems a bit low.
15-20psi hot idle
70psi cold start

He's using 5w40 oil fully synth oil.
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Offline Wazzzer

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Re: Low oil pressure?
« Reply #1 on: 06 March 2013, 17:21 »
how is the oil pick up pipe?
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Benny.banks

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Re: Low oil pressure?
« Reply #2 on: 06 March 2013, 17:57 »
Well he's got a receipt from feb 2012 saying oil pump, sump, pick up all work completed. so ruled the pick up off.

hope it isnt that tbh.

but would you say its low?
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Offline Wayne

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Re: Low oil pressure?
« Reply #3 on: 06 March 2013, 21:28 »
The figures seem low, where have taken the feed for the gauge from?
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Benny.banks

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Re: Low oil pressure?
« Reply #4 on: 06 March 2013, 21:29 »
the oil filter housing, where the current low pressure switch is.
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Offline Wayne

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Re: Low oil pressure?
« Reply #5 on: 06 March 2013, 21:35 »
Quote from: Benny.banks on 06 March 2013, 21:29
the oil filter housing, where the current low pressure switch is.

Might be worth trying another gauge as a 1st step (could be faulty)
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Benny.banks

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Re: Low oil pressure?
« Reply #6 on: 06 March 2013, 21:50 »
Think it might be the gauge tbh as he's just been out on a spirited run and its hitting 100psi even when idling.
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