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Threads Tagged with
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1999 chev silverado 5.3 code P0171, P0172 and P0420
(
1
2
)
MinnesotaBum
on Sep 10, 2009
Oct 21, 2020
9:18 PM
by
Zwingsterboss
10
53,286
Silverado, Sierra & Fullsize Pick-ups
P0420 Code 4th Converter
franke
on Dec 13, 2012
Dec 14, 2012
3:50 PM
by
franke
4
7,702
General Tech
miss and a po420 code on a 07 newstyle silverado
(
1
2
)
94racing
on Feb 6, 2012
Feb 22, 2012
7:38 AM
by
94racing
16
43,107
Silverado, Sierra & Fullsize Pick-ups
po420 code-catalytic converter
jtlonghorn
on Feb 7, 2012
Feb 9, 2012
4:07 PM
by
Fishinfooleric10@aol.com
3
7,128
Silverado, Sierra & Fullsize Pick-ups
PO420 Code..Cat converter?
jtlonghorn
on Jan 16, 2012
Jan 18, 2012
11:29 PM
by
EinST
4
10,555
Silverado, Sierra & Fullsize Pick-ups
po420 catylist system effeciency below threshold bank one?
chevyguy123
on Nov 30, 2011
Dec 6, 2011
3:40 PM
by
chevyguy123
5
7,956
Malibu
Dtc p0420
Starboy
on May 14, 2011
May 18, 2011
10:12 AM
by
Starboy
2
5,399
Silverado, Sierra & Fullsize Pick-ups
P0420 engine light code
Rich O'Rourke
on Dec 8, 2010
Dec 9, 2010
9:23 PM
by
MDTAHOE
3
40,391
Cavalier
P0420 code on 2001 cavalier,2.2L engine
Rich O'Rourke
on Nov 21, 2010
Nov 21, 2010
9:24 PM
by
MDTAHOE
1
12,336
Cavalier
"california equipped" in utah
railit
on Aug 29, 2010
Sep 11, 2010
5:39 PM
by
railit
4
1,779
Silverado, Sierra & Fullsize Pick-ups
hard start and p0420
isrblue
on Aug 5, 2010
Aug 6, 2010
7:11 AM
by
isrblue
3
3,870
Silverado, Sierra & Fullsize Pick-ups
PO420 Code
jgray152
on Jul 3, 2010
Jul 10, 2010
10:15 PM
by
jgray152
6
10,822
Silverado, Sierra & Fullsize Pick-ups
2002 cavalier, code po240!!
nikoru
on Jun 10, 2008
Jun 15, 2008
10:09 PM
by
shawnvw
3
4,725
Cavalier
CODE PO420
Sammyj
on Mar 5, 2008
Mar 6, 2008
5:07 AM
by
Sammyj
2
2,634
General Tech
Engine Code PO420
shadetreemech
on Jan 28, 2008
Jan 30, 2008
4:44 PM
by
rutler101
2
9,861
General Tech
p0420 code
bigbabee
on Oct 20, 2007
Oct 20, 2007
1:07 AM
by
bigbabee
0
7,293
Malibu
any body help me out with my monte i got the codes/probs thanks
shaynel18
on Jul 23, 2007
Jul 24, 2007
10:22 PM
by
shaynel18
2
1,885
General Tech
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