Engine/Power - non turbo (All non turbo Imprezas) Who needs a turbo when you have 2500cc? Cams, intakes, exhausts, etc. The 2.2L and 1.8L Subies are cool too.

p0420 cel

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Old Jun 6, 2006 | 07:21 PM
  #1  
stevemasteller's Avatar
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Joined: Jan 2004
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From: berwick Pa
p0420 cel

i have a '01 rs and put a borla header on everything else is stock. i keep getting the p0420 cel code. is the mechanical cel fix the best. (this may be a dumb question but) if so do i put it on the front o2 or rear. i am also getting some popping from the exhaust is this normal?

Last edited by stevemasteller; Jun 6, 2006 at 07:27 PM.
Old Jun 6, 2006 | 09:30 PM
  #2  
Peaty's Avatar
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From: Lawrence, Kansas
Car Info: 19' Impreza Sport Manual / 99 Miata / 13' OB
http://www.scoobymods.com/forums/showthread.php?t=5468
Old Jun 22, 2006 | 09:56 AM
  #3  
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From: Dillsburg, PA
Car Info: 2005 Legacy GT Ltd, 2001 Outback LL Bean
Well, Pete's method will work, or you can buy the PDM O2 bung extension:

http://www.tarmac-usa.com/CandyPress...p?idproduct=74

www.boxer4racing.com sells them too, but they were out of stock when I ordered mine.

That screws right in, don't need to drill anything.

However.... mine doesn't eliminate the P0420 light for more than a couple days. Helps, but only temporarily. The MIL Eliminator (electronic fix) only works for cat-delete track pipes. If you use that and have a high-flow cat, you'll get a P0136 instead (voltage error). So don't.

The only fix is a propsed P0420 elimination that www.i-speed.us is reportedly working in to their next round of SRS-10 and SRS-20 ECU reflashes, due out in late summer or so.

=S2=
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