[DML] Re: Oil pressure problem

["welmoedj" <joe.dalton@xxxxxxxxxx>]

--- In dmcnews@xxxxxxxxxxxxxxx, "eclipse0324" <eclipse0324@...> wrote:
>
> Hello All, 
> 
> This is my first posting to the group, I have a October 81 Delorean
> vin #5265 purchased from DMC Houston, I have owned it since 1997 and
> have very little problems of any kind with it over the years.
> 
> Last week, I had a few items on the car replaced with NOS. After
> having these items installed, I have been having problems with the 
oil
> pressure and the car idling up and down.
> 
> The parts replaced were the fuel filter, oxygen sensor, oil pressure
> light switch and the oil pressure sender..before the parts were
> installed...the car ran well, the oil pressure seemed fine and the 
car
> idled fairly smooth.
> 
> After the parts were installed..the oil pressure constantly 
fluctuates
> almost down to zero, when the car in not in gear.  If the car stays 
in
> gear the oil pressure is fine. The car idle will also jump up and 
down
> once the car warms up.
> 
> Just wondering if anyone has any thoughts on what might be the 
cause.
> In the past the oil pressure has never dropped this low nor has the
> car idle fluctuates like this. 
> 
> I'm not sure if one of the newly installed items is defective or if
> once one of these parts are installed a adjustment needs to be made 
to
> adjust for the new part.
> 
> Any help, thoughts or advice would be greatly appreciated,
> 
> Thanks,
> 
> Rob
>

This is the very commonly behavior of NOS oil pressure senders.
Not really new. Perhaps the PO had a non-NOS sender installed.
That could be the reason that you're alarmed by this behavior.
Only Herveys new senders behave as pressure senders should.

Welmoed.



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