Low Power

Tiny
LEODAJIM
  • 2004 FORD ESCAPE
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 95,000 MILES

I have recently noticed a lack of power when I try to accelerate, along with a blowing noise, like a 'shhhhhh.'. This noise is only heard when I push the gas pedal.
When I started the engine cold, I looked under the hood and under the vehicle for a leak somewhere, and I could see exhaust steam coming from under the engine. I am assuming there is an exhaust leak at or right around the manifold area. Am I correct to assume this is where I am losing power due to lost compression, and where I am hearing the loud 'whooshing' sound when I push on the gas? It seems the sound is right behind my dash/firewall, so that would put it right at the manifold area.

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Saturday, December 4th, 2010 AT 9:58 PM

9 Replies

Tiny
BMRFIXIT
  • EXPERT
  • 19,542 POSTS

Do you have a check engine light on
and if so check for code s
Suspect exhaust flex pipe
check with your local exhaust repair shop

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Saturday, December 4th, 2010 AT 10:03 PM
Tiny
LEODAJIM
  • MEMBER

Thats the wierd part, no light.

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Saturday, December 4th, 2010 AT 10:04 PM
Tiny
LEODAJIM
  • MEMBER

Any ballpark on what repair costs for something like that would be?

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Saturday, December 4th, 2010 AT 10:05 PM
Tiny
BMRFIXIT
  • EXPERT
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If it is the flex pipe to cut and replace would be around $160

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Saturday, December 4th, 2010 AT 10:08 PM
Tiny
LEODAJIM
  • MEMBER

Where would I look for the flex pipe? Does it come right out of the manifold?

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Saturday, December 4th, 2010 AT 10:10 PM
Tiny
BMRFIXIT
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Flex pipe

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Saturday, December 4th, 2010 AT 10:17 PM
Tiny
MCSGARAGE
  • MEMBER

I have your sollution for you! U said u have a hissing noise? Low power?
Clogged converter! Run the vehicle, get it hot, you wont have any exhaust pressure, if u step on the gas, no increased exhaust presure, at the tail pipe. You might get under the car and feel air rushing out from the flange connecting to the the converter pipe and also it will be extreamly hot.

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Sunday, December 5th, 2010 AT 1:51 AM
Tiny
LEODAJIM
  • MEMBER

Well, I'm thinking you are correct. On my way to the exhaust repair shop yesterday, I hear a sudden louder rush of air under the hood. Turns out the EGR valve had a hole in it, where the metal literally 'popped'. So I replaced the valve, and the associated solenoid, and now I am back to the original problem, of low power and a 'hissing' noise whenever I step on the gas. I am going to have a back pressure test done. Did the EGR valve pop because of the pressure from the clogged converter?

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Wednesday, December 8th, 2010 AT 9:09 PM
Tiny
BMRFIXIT
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VERY POSSIBLE

NEXT SHOULD catalytic converter AND EXHAUST SYSTEM back pressure test

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Wednesday, December 8th, 2010 AT 11:00 PM

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