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Old 08-13-2004, 17:03   #1 (permalink)
xrlover
 
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Question Oil pressure Question

Ive got an 89 ea spak MPFI and it has a bad shudder ever now an then while idle. I noticed the oil pressure gets really low sometimes almost in the red. I was wondering would the shuddering bring the oil pressure down or could an oil leak cause it cos I think the rear main seal is stuffed.
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Old 08-13-2004, 17:20   #2 (permalink)
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Re: Oil pressure Question

WHen you say shudder, does it nearly stall?
If thats the case its just the shudder dropping the presure as the engine is about to stall.
Adjust your idle speed.
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Old 08-13-2004, 17:55   #3 (permalink)
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Re: Oil pressure Question

The idle speed is fine, you could say it shudders about every 10 secs and some days the oil pressure will be fine and other days it will be low, but on the lower days the car shudder more freqently.
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Old 08-13-2004, 17:57   #4 (permalink)
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Re: Oil pressure Question

yes when it dose shudder it sounds like its going to stall but then picks up revs again
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Old 08-13-2004, 17:57   #5 (permalink)
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Re: Oil pressure Question

Fuel econ has gone through the roof aswell
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Old 08-13-2004, 18:02   #6 (permalink)
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Re: Oil pressure Question

Have you made any mods to the car lately?
like thermo's, cam etc?
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Old 08-13-2004, 18:10   #7 (permalink)
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Re: Oil pressure Question

no just renewed head
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Old 08-13-2004, 19:06   #8 (permalink)
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Re: Oil pressure Question

Was the head the same specs as the old one?
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Old 08-14-2004, 19:51   #9 (permalink)
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Question Re: Oil pressure Question

when you say the same specs do u mean it was also off a 3.9 mpfi or can the actual head be different?
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