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1998 Chevy Malibu P0420, O2S12, P0442, P0300

Tiny
BKSFLYESTPAPI333
  • MEMBER
  • 1998 CHEVROLET MALIBU
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 125,000 MILES
I recently changed two clogged injectors and it got rid of my multiple misfire (P0300). I also changed the catalytic converter and the P0420 was gone for about three weeks and is back now, along with the O2S12 and the P0442. A little help with this would be highly appreciated. This car has been driving me up the wall. I'm dam near broke with this Malibu.
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Wednesday, November 12th, 2008 AT 9:58 AM

2 Replies

Tiny
RHALL77
  • MECHANIC
  • 3,361 POSTS
Are you sure the o2 sensor was plugged back in t=when you did the cat converter
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Thursday, November 13th, 2008 AT 10:22 AM
Tiny
CFRINGO333
  • MEMBER
  • 5 POSTS
I'm not sure but it didn't look like they even unplugged anything. Meineke simply cut off the converter and welded another one to the existing pipe.
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Saturday, November 29th, 2008 AT 3:18 PM

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