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2007 Subaru Legacy no power

Tiny
OCEI77
  • MEMBER
  • 2007 SUBARU LEGACY
  • 4 CYL
  • AWD
  • MANUAL
  • 84,000 MILES
Car will not rev past 3-4000 rpm. Cannot drive under load.
Originally had cel reading of catalytic converter below threshold.
Took to dealer, says I was getting misfires in all 4 cylinders. They know I am handy and I had just replaced plugs and wires within the last 2 mos. Suggested the coil pack was bad. Replaced coil pack($175) and the plugs again, same issue.
Tried to test front 02 sensor and if I am doing correctly, I have no reading at all.
My next step is to replace the front 02 sensor($140).
Obviously this is getting expensive. Any other suggestions? Or what additional info do you need?
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Friday, June 18th, 2010 AT 12:08 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Could be a vacuum leak, EGR valve and fuel pressure problem
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Saturday, June 19th, 2010 AT 3:35 AM
Tiny
OCEI77
  • MEMBER
  • 2 POSTS
After going through my memory banks, I disconnected the mid pipe from the first cat and started car. Loud yes, but it revved freely. Problem, a partially clogged 2nd catalytic converter.
Solution, removed pipe, cut. Gutted 2nd converter and rewelded. Runs like a champ.

O.
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Wednesday, June 23rd, 2010 AT 9:36 PM

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