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I went to start it back it would not start?

Tiny
JACKIE1982
  • MEMBER
  • 1999 FORD ESCORT
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 150,000 MILES
I was wondering if you could help me my car was running fine I stopped to get gas then when I went to start it back it would not start it would turn over then I got it hit it would not idle but it sounded like it had real loud knock in the top end of it I ran the computer scan on but showed nothing I replaced the spark plugs gas pressure was fin about 40 could it have jumped time and bent a value the knock has me worried
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Friday, December 5th, 2008 AT 8:31 AM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

The loud knock on the top end of the engine can be due to low oil pressure on the engine.
Low oil pressure can be due to low oil in the engine.
So check the oil level and verify it is correct.

You can also have low oil pressure due to a faulty oil pump, it can also happen if the oil pump pickup tube becomes loose and unable to pickup oil.
This vehicle should have 35-65 PSI of oil pressure at 2,000 RPMs.

https://www.2carpros.com/articles/high-or-low-engine-oil-pressure

I have attached diagrams for your reference.

Please let me know of any questions.

Thank you.
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Tuesday, August 24th, 2021 AT 8:48 AM

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