RE: Oil pressure drop!!

From: STRICKLAND, Tate (tstricklan@shl.com)
Date: Thu Jul 16 1998 - 13:18:28 EDT


Thanks, Brian - and to any other replies. Will tell the dealer about
tit when I take it in for the "check engine". I talked to West Oaks
about it and they said at least till I got it to the dealer, not to
worry unless it was below about 20 psi.

Tate

-----Original Message-----
From: Jim, Donna, Erin, and Brian [SMTP:leefam@wcc.net]
Sent: Wednesday, July 15, 1998 1:34 PM
To: dakota-truck@buffnet.net
Subject: Re: DML: Oil pressure drop!!

At 10:59 AM 7/15/98 -0700, you wrote:
>I have a puzzling and scary situation with my 97 RC 5.2. Since I got
>the truck new, the oil pressure has NEVER read below or above 60-80
>lbs. It went up slightly (1mm perhaps) when I installed synthetic,
>but that's it. When I would rev the motor, the needle would increase
>slightly. Didn't matter if I was idling or flooring it 60-80 lbs
(hard
>to guess with these non linear values on the gauges - about 1/4to the
>right of center on that "0"-"40"-"110" crazy thing). No mods except
>for the TB smoothing and plug wires. Check engine light has been
>coming on every few days since the plug wire change - started the
>truck with an electrical connector plugging into a vacuum tree
mounted
>near the driver's rear of the intake unplugged (sorry - don't know
>what to call it - paid for my manual, but it's not in yet). Got a
>check engine light - plugged it back in - still got the light
(running
>perfectly). Unplugged battery - voila - no light. Two days later -
>light comes on - go to dealership and they reset "upstream o2 sensor
>open to voltage" error - no light - two days later - light. - I
unhook
>battery, no light, ect (just waiting for an opening where I can see
>the dealer - they're always busy). Oil changes have been dealer,
>dealer, dealer (10w30 natural I guess), castrol 10w30, syntec 5w50
>with magnetic drain plug, syntec 5w50, and syntec 10w30 (where I'm
>staying) with a dose of Prolong oil treatment. 5,000 mile changes
>with the synthetic and filter changes at each 2500miles with the
>synthetic.
>
>I pull into the barber shop parking lot yesterday afternoon and
looked
>down at my oil pressure - 25-30 lbs!!! About an eighth of an inch to
>the left of center!!! Sh!t fire - I thought I was gonna have a
>cardiac! If I shut her down for a while, I can go out and start up
>and the oil pressure goes to 60-80 and stays there till I come to my
>first stop or depress the clutch for any length of time, then I'm
back
>down to 25-30. Give it gas and the pressure rises to "normal"
>(60-80). Varies with rpm by a wide margin now.
>
>Any ideas on why this changed all of a sudden???
>
>To anyone who actually reads all of this long winded thing - thanks
>for at least reading it! What do y'alls oil pressures look like???
>
>Tate
>

My friend's Jeep's oil pressure varies with engine rpm - 20 to 90.
 My
truck's oil pressure has never fluctuated, though. Actually, the
gauge
never moves unless you turn it on or off(93 Dak). I think my gauge
sender
thing is broken. I have no idea why it would do that, and no good
advice
to give but to tell the dealer. I think someone else on the list
asked
about oil pressure. Maybe, maybe not, I can't really remember.

Hmmmm..............

Brian



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