Ford F150 Forums - Ford F-Series Truck Community. - 1998 4.6L Oil Pressure Fluctuating

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- Engine Talk & Maintenance (https://www.f150-forums.com/engine-talk-maintenance-8/)

- - 1998 4.6L Oil Pressure Fluctuating (https://www.f150-forums.com/engine-talk-maintenance-8/1998-4-6l-oil-pressure-fluctuating-65/)

Takeda

01-18-2011 06:06 AM

I would check your oil pressure with a wet gauge (real oil pressure gauge).

leddle6676

01-19-2011 03:22 AM

where can i buy seafoam ...i tried autozone/orielys ?
thanks

danthurs

01-19-2011 05:59 AM

Autozone should have it, that's where I got mine.

Bigandrw

01-19-2011 06:36 AM

I believe napa has it as well

leddle6676

01-23-2011 01:30 AM

thanks guys will try it...

joetriton1

01-20-2012 09:58 PM

Quote:

Originally Posted by leddle6676 (Post 491)

1998 /4.6 oil pressure will not stay up .. runs 3/4 gauge then drops to 0 then back up.. could sludge be causing prob.? is there anything i can add to cranckcase like diesel and run parked and then change oil n filter..

beleive it or not try kn oilfilter filter has special valve in it to help regulate oil pressure worth a shot i recommend full synthetic mobile 1 oil

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