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I have notice I have lose of power through some gears?

Tiny
DPEREZ8355
  • MEMBER
  • 2004 FORD F-150
  • 141,000 MILES
I have notice I have lose of power through some gears. I need to floor it and jump back a gear if I want to gain speed. This only happens when its hot. In the morning while cold it runs great. I have also notice a sulfur smell from the exhaust. Please help.
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Wednesday, August 28th, 2013 AT 6:40 PM

4 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Please go over these guides to help find the issue.

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

and

https://www.2carpros.com/articles/how-to-test-a-catalytic-converter

Please run down these guides and report back.
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Monday, June 28th, 2021 AT 12:44 PM
Tiny
DPEREZ8355
  • MEMBER
  • 3 POSTS
Truck has no codes. Does the exhaust smell mean its running rich? I was told the smell is the cats burning up and if I don't fix the problem it could lead to replacing them. I don't want to do that.
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Monday, June 28th, 2021 AT 12:44 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
If your cat was going bad it would set a code. Check yoru fuel pressure or have someone do that for you. You need a gauge and maybe adapters autoparts rent them
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Monday, June 28th, 2021 AT 12:44 PM
Tiny
DPEREZ8355
  • MEMBER
  • 3 POSTS
Ok, I had the cats replaced and now the truck has never run better thank you.
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Monday, June 28th, 2021 AT 12:44 PM

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