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Jquade77 August 3rd, 2018 12:55 PM
Chevy Tahoe
 
so my 1998 Tahoe has a issue, when I drive it the oil pressure shoots up to 80psi, and my motor seems to knock. When I let off it drops to normal, and sounds fine... I’m little confused and thinking my oil pump is going out, and so is my knock sensor... any ideas???

oilcanhenry August 8th, 2018 3:32 AM
Originally Posted by Jquade77 (Post 360436)
so my 1998 Tahoe has a issue, when I drive it the oil pressure shoots up to 80psi, and my motor seems to knock. When I let off it drops to normal, and sounds fine... I’m little confused and thinking my oil pump is going out, and so is my knock sensor... any ideas???
I wouldn't operate it until the issue is resolved. Probably a bad oil pressure sensor is my guess.

Jquade77 August 8th, 2018 6:33 AM
Would that cause the terrible knock?? I figured it might be my push rods and rocker arms... I did warm it up last week and it seemed to go away.. going bad oil pump???

oilcanhenry August 8th, 2018 6:03 PM
Originally Posted by Jquade77 (Post 360693)
Would that cause the terrible knock?? I figured it might be my push rods and rocker arms... I did warm it up last week and it seemed to go away.. going bad oil pump???
Lifters could have gotten pumped up would be my first guess.

Jquade77 August 8th, 2018 6:05 PM
But now it’s fine. Runs like a champ.. very strange

oilcanhenry August 8th, 2018 6:12 PM
Originally Posted by Jquade77 (Post 360723)
But now it’s fine. Runs like a champ.. very strange
Stuff happens! :)

Jquade77 August 8th, 2018 6:13 PM
Yeah I’ll never explain it ever..


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