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Blazer Forum - Chevy Blazer Forums
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Threads Tagged with
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Help? Low Octane Fule Causing a Code (P0420)
suckerpunch
on 12-12-2009
11-18-2015
08:51 PM
by
richphotos
7
19,887
2nd Generation S-series (1995-2005) Tech
Check Engine Light Reading Code "P0420"
JohnBarJB
on 11-30-2012
12-01-2012
10:28 AM
by
JohnBarJB
2
4,628
2nd Generation S-series (1995-2005) Tech
99 blazer 4.3L 8 mpg 150mile to a tank
(
1
2
)
chaz8645
on 10-07-2012
10-09-2012
02:30 AM
by
nalgman
15
3,079
Engine & Transmission
2000 blazer hesitation need some help
(
1
2
)
whiteg87
on 02-10-2010
09-24-2012
11:31 AM
by
kckpjmte
11
8,344
2nd Generation S-series (1995-2005) Tech
odb p0420 code please help
kjdmg
on 02-09-2012
02-10-2012
04:48 PM
by
Captain Hook
4
6,325
2nd Generation S-series (1995-2005) Tech
P0420 and P0440
Steve-o
on 10-08-2011
10-08-2011
12:53 PM
by
xgiovannix12
1
3,469
2nd Generation S-series (1995-2005) Tech
Stalling, no start, sit, start and run like normal?
shotnva777
on 09-20-2011
09-23-2011
05:54 AM
by
Mike98Blazer
8
6,420
2nd Generation S-series (1995-2005) Tech
f-n p0420 anyone try'd this yet
reststopsteve
on 07-28-2011
07-28-2011
03:39 AM
by
reststopsteve
0
2,121
2nd Generation S-series (1995-2005) Tech
PO420 Code
Chandler
on 10-16-2010
07-17-2011
11:43 AM
by
blazer1992
6
6,609
2nd Generation S-series (1995-2005) Tech
p0420
(
1
2
)
woopt
on 07-02-2010
06-06-2011
08:07 PM
by
budman802g
10
5,490
2nd Generation S-series (1995-2005) Tech
99 chevy blazer cat problem
dhaggy
on 11-13-2010
11-13-2010
07:34 PM
by
dhaggy
4
2,250
2nd Generation S-series (1995-2005) Tech
99' Blazer-engine code P0420
cpino
on 07-16-2010
08-03-2010
04:17 PM
by
helo
1
6,854
Engine & Transmission
Please help with dtc po 420
flukey
on 06-21-2010
06-21-2010
12:10 PM
by
flukey
2
2,425
2nd Generation S-series (1995-2005) Tech
P0300 code and P0420 code HELP!!
(
1
2
3
...
Last Page
)
98blazr
on 04-06-2009
08-21-2009
01:17 AM
by
bigdaddykane93
44
40,205
2nd Generation S-series (1995-2005) Tech
Engine code P0420 and P0303
swarfel
on 06-16-2009
06-16-2009
08:29 PM
by
swartlkk
1
9,556
Engine & Transmission
P0420 Code Issues
lennyblazer
on 06-18-2008
06-19-2008
07:01 AM
by
lennyblazer
3
4,936
2nd Generation S-series (1995-2005) Tech
P0420 Error Code on 97 Blazer
abens
on 05-27-2008
05-27-2008
06:00 PM
by
portcqb
1
10,469
2nd Generation S-series (1995-2005) Tech
p0420 deffinition and solution
2dr5spdblazer
on 12-25-2007
12-25-2007
11:24 PM
by
rriddle3
1
2,130
2nd Generation S-series (1995-2005) Tech
Getting p0420 code but seems unlikely
gio17vani
on 10-26-2007
10-27-2007
08:43 AM
by
swartlkk
1
7,887
2nd Generation S-series (1995-2005) Tech
1996 LT running like crap
blazin true
on 07-02-2007
08-01-2007
07:02 AM
by
swartlkk
7
4,315
2nd Generation S-series (1995-2005) Tech
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