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Monte Carlo Forum - Monte Carlo Enthusiast Forums
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Threads Tagged with
po420
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Threads Tagged with
po420
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Forum
6th Gen ('00-'05):
Can't Get Rid of P0420 Code....
(
1
2
)
michelob
on 09-24-2014
02-11-2015
07:47 AM
by
michelob
19
11,527
Monte Carlo Repair Help
Downpipes, DTC Codes & Anti-Foulers
(
1
2
)
03SSLE
on 07-12-2011
01-07-2012
07:03 AM
by
03SSLE
10
2,744
Headers/Intake/Exhaust
Check Engine P0420 Code
MonteMan92
on 01-04-2012
01-05-2012
12:13 PM
by
MonteMan92
6
5,990
Monte Carlo Repair Help
EGR Monitor, need emissions test
Dans97
on 09-13-2011
09-13-2011
09:17 PM
by
Dans97
0
953
Headers/Intake/Exhaust
PO420 With fairly new cat
Overdose666
on 08-17-2011
08-17-2011
11:24 PM
by
red04montels
7
1,782
Headers/Intake/Exhaust
5th Gen, 97 LS 3.1L sluggish on gas. Has PO420 and others
shineman08
on 04-22-2011
04-26-2011
08:18 AM
by
bigcat24
2
2,242
Monte Carlo Repair Help
'02 LS with P0420
KJRich
on 10-29-2010
10-31-2010
08:39 PM
by
KJRich
3
1,096
Headers/Intake/Exhaust
CEL P0420 01 monte carlo 125k
Pjw350
on 03-23-2010
03-24-2010
09:00 AM
by
ChibiBlackSheep
4
4,548
Headers/Intake/Exhaust
PO420 Code
(
1
2
3
)
Lumpo
on 07-03-2009
07-16-2009
03:18 PM
by
AwesomeSS
22
4,187
Headers/Intake/Exhaust
PO420
montecarlomike81
on 04-01-2008
04-03-2008
06:13 PM
by
montecarlomike81
6
1,736
Monte Carlo Repair Help
CEL P0420
CHOWEE21
on 03-18-2008
03-18-2008
08:08 PM
by
dustybird3
3
1,496
Monte Carlo Repair Help
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