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ClubLexus - Lexus Forum Discussion
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Threads Tagged with
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Threads Tagged with
p0172
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Last Post
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Forum
Dissecting Freeze Frame - P0172 - Fault 02/CAT/MAF?
george42
on Mar 4, 2026
Mar 4, 2026
07:13 PM
by
george42
0
142
IS - 2nd Gen (2006-2013)
Pull codes P0172/P0175, need help diagnoising
(
1
2
3
)
edgeucated
on Jul 6, 2013
Oct 15, 2025
06:58 AM
by
misschris
33
124,809
IS - 2nd Gen (2006-2013)
IS350 Codes P0172 P0175 P1170
Hubb23
on Jan 26, 2021
Nov 5, 2023
11:54 AM
by
Juiching
14
6,651
IS - 2nd Gen (2006-2013)
IS250 Problems
(
1
2
)
Pivin
on Jul 14, 2021
Jul 16, 2021
10:26 PM
by
Pivin
15
9,198
IS - 2nd Gen (2006-2013)
-25% Long Fuel Trim 2008 IS250
hardy272
on Jun 10, 2021
Jun 13, 2021
08:36 AM
by
eicca
5
5,152
IS - 2nd Gen (2006-2013)
RX400H - P0172 & P0175 - System Too Rich
(
1
2
)
GrantOli
on Mar 3, 2021
Mar 10, 2021
08:30 AM
by
matts6887
16
7,530
RX - 2nd Gen (2004-2009)
System too rich ( Bank 1 & Bank 2 )
BabanMT
on Aug 26, 2017
Jan 22, 2020
09:45 AM
by
Sean350nyc
10
28,630
IS - 2nd Gen (2006-2013)
Bought a can of Seafoam.
(
1
2
3
4
)
Rock-a-Lex
on Jul 10, 2008
Feb 28, 2018
04:35 PM
by
MikeFig82
53
48,246
GS - 2nd Gen (1998-2005)
1999 p0301, p0302, p0303, p0305, p1305, p0172, p0420, p0300
crwys
on Nov 18, 2013
Nov 25, 2013
02:30 AM
by
moonphase
5
6,283
ES - 1st to 6th Gen (1990-2018)
1998 Lexus GS400 - P0172 - Runs Rich
(
1
2
3
4
5
)
ThomasGS4
on Jun 19, 2013
Jul 24, 2013
05:01 PM
by
GS4_Fiend
74
25,774
Maintenance
p0172 and p0175
gldcrzy
on Mar 28, 2013
Apr 6, 2013
10:55 AM
by
gldcrzy
2
3,130
IS - 2nd Gen (2006-2013)
2IS code P0172
MyIS350G
on Dec 27, 2012
Jan 2, 2013
11:38 AM
by
rookieIS
9
2,070
IS - 2nd Gen (2006-2013)
Autozone code PO171, O2 or Air Fuel Sensor
perduefred
on Jan 10, 2008
May 2, 2011
03:32 PM
by
AutoWorks
9
9,924
ES - 1st to 6th Gen (1990-2018)
99 RX 300 issues
tdandkd
on Dec 11, 2010
Jan 2, 2011
02:48 PM
by
sktn77a
12
5,432
RX - 1st Gen (1999-2003)
Fuel trims--Diagnosing P0171, P0174, P0172, P0175
Nad1370
on Apr 27, 2010
Apr 28, 2010
04:38 PM
by
Nad1370
4
29,292
RX - 1st Gen (1999-2003)
Help asked!
lexsyl20
on Jan 22, 2009
Feb 22, 2009
10:30 PM
by
IS3_FTW
14
1,224
IS - 1st Gen (2001-2005)
The dealer tells me its my Intake.
Drelicious
on Feb 16, 2007
Feb 17, 2007
09:35 AM
by
bygtimaish
13
4,403
IS - 2nd Gen (2006-2013)
Ecm Or Engine & Tranny Problems?
(
1
2
)
RHON1982
on May 11, 2006
Jul 17, 2006
11:57 AM
by
RHON1982
16
2,772
RX - 1st Gen (1999-2003)
Check engine light Code P0172
Ditto
on Jun 13, 2004
Jun 24, 2004
07:42 AM
by
Ditto
7
27,796
Performance
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