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P0420 and P0325 on 2002 civic sir P0420 and P0325 on 2002 civic sir
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Old 03-02-2013, 05:35 PM   #1
What hasn't Killed me, has made me more tolerant of RS!
 
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P0420 and P0325 on 2002 civic sir
0325- knock sensor circuit malfunction
0420- the dreaded cat converter bank 1 malfunction

more worried about the 2nd one. How bad is it? Whats the damage I'm looking at? And if it's a bad cat can I use an aftermarket one as replacement to pass aircare? Can't afford the 1300+ for an OEM one
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Old 03-02-2013, 08:54 PM   #2
2x Variable Nockenwellen Steuerung
 
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It depends on how much you have modified your drivetrain. Aftermarket cat usually have less precious metal and surface area.. so your readings will be higher if your tune is on the rich side etc.
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Old 04-07-2013, 02:01 PM   #3
What hasn't Killed me, has made me more tolerant of RS!
 
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update: got a universal cat. passed A/C. 325 cleared by itself.
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Old 04-18-2013, 09:37 PM   #4
Oh goodie, 5 posts already!
 
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its good to hear that you got universal cat. you have found easily? how it cleared by itself?
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