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Blazer Forum - Chevy Blazer Forums
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p0420
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Threads Tagged with
p0420
Thread / Thread Starter
Last Post
Replies
Views
Forum
Throttle body plastic intake adapter with crack in it
mrtaylor
on Apr 7, 2011
Apr 25, 2011
06:39 AM
by
marksoftball
3
3,207
Engine & Transmission
Pulled new codes
Dano01
on Dec 4, 2010
Dec 4, 2010
01:52 PM
by
swartlkk
1
1,295
General Chat
99 chevy blazer cat problem
dhaggy
on Nov 13, 2010
Nov 13, 2010
07:34 PM
by
dhaggy
4
2,349
2nd Generation S-series (1995-2005) Tech
Help Diagnose P0420 Code
mikekolb
on Oct 11, 2010
Oct 11, 2010
08:33 PM
by
swartlkk
1
5,251
2nd Generation S-series (1995-2005) Tech
P0420 1995 Blazer
megtom2
on Sep 7, 2010
Sep 7, 2010
10:38 PM
by
megtom2
3
2,745
2nd Generation S-series (1995-2005) Tech
Question about Code P0420
(
1
2
)
Dano01
on Aug 2, 2010
Aug 3, 2010
06:58 PM
by
Dano01
12
7,062
2nd Generation S-series (1995-2005) Tech
99' Blazer-engine code P0420
cpino
on Jul 16, 2010
Aug 3, 2010
04:17 PM
by
helo
1
7,237
Engine & Transmission
Magnaflow Cat?
xCHIPx
on Oct 9, 2009
Nov 22, 2009
12:09 PM
by
butters
5
2,452
Headers, Intake, & Exhaust
p0420
2doorblazer
on Oct 9, 2009
Oct 17, 2009
12:05 AM
by
aaron96gmc
1
1,287
2nd Generation S-series (1995-2005) Tech
P0420 error code
blacer2000
on Aug 24, 2009
Aug 25, 2009
05:53 PM
by
blacer2000
8
14,713
2nd Generation S-series (1995-2005) Tech
P0300 code and P0420 code HELP!!
(
1
2
3
...
Last Page
)
98blazr
on Apr 6, 2009
Aug 21, 2009
01:17 AM
by
bigdaddykane93
44
44,337
2nd Generation S-series (1995-2005) Tech
Engine code P0420 and P0303
swarfel
on Jun 16, 2009
Jun 16, 2009
08:29 PM
by
swartlkk
1
11,048
Engine & Transmission
Catalytic Converter
KCBlues
on Feb 4, 2009
Feb 26, 2009
11:19 AM
by
swartlkk
3
1,677
2nd Generation S-series (1995-2005) Tech
98 Blazer, won't start, need help
RStolz
on Jan 6, 2009
Jan 10, 2009
06:21 PM
by
RStolz
4
1,491
Engine & Transmission
Hesitation/Backfire
(
1
2
)
jacobs753
on May 11, 2008
Jul 4, 2008
08:57 PM
by
swartlkk
11
5,051
2nd Generation S-series (1995-2005) Tech
P0420 Code Issues
lennyblazer
on Jun 18, 2008
Jun 19, 2008
07:01 AM
by
lennyblazer
3
5,336
2nd Generation S-series (1995-2005) Tech
P0420 Error Code on 97 Blazer
abens
on May 27, 2008
May 27, 2008
06:00 PM
by
portcqb
1
11,959
2nd Generation S-series (1995-2005) Tech
p0420 deffinition and solution
2dr5spdblazer
on Dec 25, 2007
Dec 25, 2007
11:24 PM
by
rriddle3
1
2,517
2nd Generation S-series (1995-2005) Tech
Getting p0420 code but seems unlikely
gio17vani
on Oct 26, 2007
Oct 27, 2007
08:43 AM
by
swartlkk
1
9,348
2nd Generation S-series (1995-2005) Tech
1996 LT running like crap
blazin true
on Jul 2, 2007
Aug 1, 2007
07:02 AM
by
swartlkk
7
4,546
2nd Generation S-series (1995-2005) Tech
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