Poor cat performance code 2003 GT

1.8-liter VVTL-i (2ZZ-GE) and VVT-i (1ZZ-FE) engine, transmission, exhaust, intake, and performance tuning discussions
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robdog
Posts: 372
Joined: Mon Dec 30, 2002 1:36 am

Poor cat performance code 2003 GT

Post by robdog »

2003 vibe GTCheck engine light has been on for a while. code states poor cat perfomance. 123K on the clock. Do I need a new cat converter??
03, Abyss monotone GT, 6 disk changer, moon and tunes, Cargo mat/nets, power package, side airbags, AEM Short Ram Intake, Borla exhaust , 35% tint all around, F1 strut tower brace, debadged, 17" Excel rims w/ federal ss595 tires.
star_deceiver
Posts: 5802
Joined: Fri Jun 05, 2009 1:49 pm
Location: Airdrie, AB

Re: Poor cat performance code 2003 GT (robdog)

Post by star_deceiver »

Probably... or an O2 sensor.You could try this, depending on if you get emission tested: http://forums.genvibe.com/zerothread?id=41173
2021 Ram 1500 4x4 CCSB
2019 Ram 3500 4x4 CCSB srw 8HP75 (traded in - 04/15/21)
2016 Ram 3500 4x4 RCLB Dually w/stick (traded in - 05/10/19)
2012 Chevy Silverado 1500 Cheyenne 4x4 (Traded in - 03/30/16)
2009 Vibe. (Traded in - 12/12/12)
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