2002 Mercury Marquis oil pressure

Tiny
RKELLEY4
  • MEMBER
  • 2002 MERCURY MARQUIS
  • 4.6L
  • V8
  • 2WD
  • AUTOMATIC
  • 119,000 MILES
My mechanic just replaced the oil pump and screen. Also the entire timing kit. He cleaned the oil return ports. Now the oil gage is going nuts, which I figure it is the sending unit. But I still have a knock in the engine (sometimes). When I shut off the engine and start it right back up the gage works and the knock is gone. Any thoughts on the possible cause?
Thursday, February 6th, 2014 AT 5:31 PM

4 Replies

Tiny
KNOWLEDGE IS POWER
  • MECHANIC
  • 1,136 POSTS
The work you had done couldn't have been cheap! Id take it right back to the shop where this was done, and tell him about these issues.
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Thursday, February 6th, 2014 AT 6:05 PM
Tiny
RKELLEY4
  • MEMBER
  • 4 POSTS
I did he has no clue. That is why I am asking you on here
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Thursday, February 6th, 2014 AT 6:39 PM
Tiny
KNOWLEDGE IS POWER
  • MECHANIC
  • 1,136 POSTS
It sounds to me like theres an oil flow problem. Whether it be from a faulty oil pump or engine sludge I cant say but you can try an engine oil flush. I wouldn't go back to that mechanic if I were you. I don't mind someone not knowing something but he did a lot of expensive work to your car to blow you off like that
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+1
Friday, February 7th, 2014 AT 5:36 PM
Tiny
SKEETPETE
  • MEMBER
  • 5 POSTS
Yes sir' I have a 1996 4.6. It turns over but will not start
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Thursday, February 13th, 2014 AT 4:38 AM

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