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Rough idle, low power

Tiny
WIGHTJOR
  • MEMBER
  • 2010 FORD F-150
  • 5.4L
  • V8
  • 4WD
  • AUTOMATIC
  • 118,000 MILES
I bought this truck from an auction and just got it home 2 days ago. I has a rough idle on start up (but only sometimes, not every time I start it). Its power and acceleration is poor, and sometimes at stop lights it feels like it is going to stall. When I got it from the auction the dash said that the oil change is required and the oil change was 3000km (2000m) over due. I have heard that it is possible to "fix" the problems if I correct the oil pressure problem with regular synthetic light weight oil changes and a "Sea foam" engine cleaner. I just buy and sell these vehicles and so I am looking for the best low price option to get it fixed.
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Monday, October 28th, 2019 AT 3:13 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon,

Is the check engine light on?

https://www.2carpros.com/articles/engine-has-low-power-output

https://www.2carpros.com/articles/engine-misfires-or-runs-rough

I would start by checking the compression. These were common for internal issues.

https://www.2carpros.com/articles/how-to-test-engine-compression

No, there is no fixing it with oil change and sea foam. Someone gave you bad information.

Remember, this is an auction vehicle. It was there for a reason. If it was simple, the previous owner would have fixed it.

Roy
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Monday, October 28th, 2019 AT 3:22 PM

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