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Replaced the oil pump reduced engine power?

Tiny
TBLACKWELL88
  • MEMBER
  • 2002 FORD F-150
  • 4.6L
  • V8
  • 2WD
  • AUTOMATIC
  • 203,000 MILES
Replaced the oil pump last year and ever since it seems like it doesn't have the power when accelerated. When in idle it revs up and down and when accelerated the RPMs jumps up and it seems like there's a delay in the gears changing.
Tuesday, October 15th, 2024 AT 11:55 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,652 POSTS
Yep, these problems are related, when the timing chain was replaced the camshaft timing must be off this is why the engine doesn't not have power and low vacuum which affects the transmission shift points. Here are the marks so you can disassemble the engine to check it, sorry.

This video can help:

https://www.youtube.com/watch?v=dler2t2e4Zw&t=268s

Check out the images (below). Let us know what you find.
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Wednesday, October 16th, 2024 AT 10:55 AM

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