po121 - LS1TECH - Camaro and Firebird Forum Discussion

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PO121 code after LQ4 swap

OUTLWZ on 10-13-2009

02-12-2022 01:57 AM
by ChopperDoc

10

1,116

PCM Diagnostics & Tuning

2002, 2003, 2006, 53, camaro, carlo, code, codes, gto, ls1, ls2, monte, p0121, po121, tps

P0121 code. what is it exactly?

WicketMike on 12-04-2003

10-09-2021 11:49 AM
by ChopperDoc

19

15,526

PCM Diagnostics & Tuning

2008, actron, camaro, code, covered, gxp, impala, located, ls4, p0121, po121, position, sensor, ss, throttle, warranty

P0121 Code Help???

Uptown_GXP on 10-03-2011

09-15-2016 10:12 PM
by Sint3k

14

14,660

LS4 Performance

2006, 91, chevy, code, fuel, impala, lean, ls1, pcm, po121, pressure, reset, rx7, tuning, wiring, wot

Weird Issue, going lean at WOT(Ls1 Rx7)

(

1 2)

zx3focus on 05-10-2009

12-07-2015 11:36 AM
by jimmyblue

24

6,587

PCM Diagnostics & Tuning

2010, cam, camaro, car, causing, chevy, code, error, fix, funny, ls1tech, maf, p0121, po121, shifts

Help with my error code! P0121!!

EJVYFZ on 07-17-2010

09-11-2013 04:31 AM
by nj02z

4

6,409

PCM Diagnostics & Tuning

cammed, code, corvette, hp, ls1, p0121, po121, setting, tuners

Just got my hc ls1 tuned Code P0121

flattusmaximus78 on 10-15-2012

01-02-2013 12:34 PM
by flattusmaximus78

5

2,746

PCM Diagnostics & Tuning

03, 121, 2000, bad, blazer, body, chevy, code, grand, location, po121, position, prix, sensor, throttle, tps, unit

PO121: Bad Throttle Position Sensor

Miles75 on 09-29-2012

09-29-2012 04:27 PM
by baltsk8er69

1

7,980

LS4 Performance

08, chevrolet, chevy, code, gm, l92, ls2, ls7, p0121, p2138, pedal, po121, response, throttle, trouble, truck

L92 throwing P0121 and P2138 codes

Offroadrules15 on 01-19-2011

01-20-2011 02:35 PM
by Offroadrules15

1

1,952

Generation IV Internal Engine

121, circuit, code, control, emission, evaporative, high, info, po, po121, po443, probe, system, valve, vent

Help with scan codes PO121, and PO443

bigken on 08-17-2010

08-18-2010 03:35 PM
by bigken

16

5,054

Florida Members

trans is doing wierd things

SILVER 2288 SS on 05-27-2010

06-18-2010 10:07 AM
by SILVER 2288 SS

4

703

Automatic Transmission

121, 2000, astro, cam, chevy, code, codes, cold, gm, idle, install, ls1, po, po102, po121

Dreaded PO121!!!!!!!!!!!!!!!!!!!!!!!!!

98ZEMT on 04-04-2010

04-04-2010 09:46 PM
by 98ZEMT

4

1,467

PCM Diagnostics & Tuning

2000, air, buton, code, control, gm, po121, ram, tps, tracion, traction

Traction control help please

speedfreak2685 on 10-04-2009

10-07-2009 08:55 PM
by z28adiction

4

546

General Maintenance & Repairs

06, 2007, cobalt, code, coming, firebird, lq4, ls1, ls1tech, p0121, p0507, po121, po507, silverado

NEED HELP! Codes!

mattslightning on 09-25-2009

09-27-2009 06:04 AM
by 69LT1Bird

5

1,001

PCM Diagnostics & Tuning

2002, 50, camaro, chevy, code, gm, gmc, iac, ls1tech, po121, problem, problems, tps, wiring, wrx

Electrical problem. TPS IAC I don't know.

junkindatrunkmx6 on 08-24-2009

08-27-2009 11:37 PM
by junkindatrunkmx6

6

1,379

General Maintenance & Repairs

1999, a4, body, camaro, code, ls1, ls1tech, p0121, po121, po121b, position, sensor, throttle, throwing, trans

Throttle body causing p0121

Emoney97ss on 06-03-2009

06-04-2009 09:21 AM
by Bad30th

3

3,426

PCM Diagnostics & Tuning

2005, 2006, body, carlo, impala, intake, ls1, ls1tech, manifold, monte, po121, porting, relearn, ss, throttle, tps

Ported intake manifold and t body PO121

supercatxr7 on 09-04-2008

09-07-2008 11:12 AM
by TiredGXP

3

2,304

LS4 Performance

PO121 CODE OR QUICK SHIFT 1-2-3-4 at WOT by 40 MPH FIX

performabuilt on 08-05-2008

08-05-2008 02:11 PM
by performabuilt

0

864

Automatic Transmission

2007, camaro, chevrolet, chevy, code, codes, engine, p0121, p0121p0300, p0300, po121, po300

P0121 and P0300 codes?

Kiss_My_99SS on 09-25-2007

09-25-2007 10:24 PM
by 99blancoSS

2

2,955

Generation III Internal Engine

1998, 4l60e, 98, a4, downshift, error, ls1, map, max, p0121, po121, tables, times, tranny, tunning, wont

Wont downshift when mashing pedel (logs,configs,tunes included)

(

1 2)

DóòD on 08-02-2007

08-04-2007 11:27 PM
by horist

28

2,147

PCM Diagnostics & Tuning

Help find the missing RWHP : 408ci, M6, 9"

slmdLS1 on 06-19-2007

06-20-2007 12:52 AM
by 1997bird

6

656

Generation III Internal Engine

car, code, error, hp, hptuners, ls1tech, map, max, p0121, po121, solve, tuners

code p0121

ws6112 on 04-23-2006

04-29-2006 01:09 PM
by ws6112

3

1,110

PCM Diagnostics & Tuning

P0101 & P0121

ESR on 03-13-2006

04-29-2006 01:08 PM
by ws6112

8

2,778

PCM Diagnostics & Tuning

P0121

SgtB on 02-14-2006

02-14-2006 07:51 PM
by SgtB

8

1,830

PCM Diagnostics & Tuning

need help on code:po121

yellowbird on 03-17-2005

03-17-2005 05:34 PM
by yellowbird

2

558

PCM Diagnostics & Tuning

throwing a po121 code at idle. help.!

yellowbird on 01-31-2005

01-31-2005 05:08 PM
by yellowbird

0

323

PCM Diagnostics & Tuning

body, buy, circuit, failure, inrange, operating, operational, p0121, p0121inrange, part, po121, porting, position, sensor, throttle

P0121 In-Range Operating Throttle Position Sensor circuit failure

Jolly^Roger on 11-08-2004

11-08-2004 03:32 PM
by Jolly^Roger

0

1,560

Generation III External Engine

07, chevy, code, impala, po121, tps, trans, whatiscodepo121

wtf.! getting this nagging PO121 code

yellowbird on 09-13-2004

09-14-2004 05:04 PM
by yellowbird

4

820

PCM Diagnostics & Tuning

3800, asr, cam, limp, mode, ms3, p0121, po121, stalls, z28

P0121 and ASR help!

EliteZ28 on 06-01-2004

09-11-2004 12:02 PM
by 2MuchRiceMakesMeSick

7

812

PCM Diagnostics & Tuning

121, 2000, 2001, 300m, camaro, code, corvette, fault, gran, grand, location, ls1, o2, p0121, po, po121, z28

Large cams = po121 code?

foff667 on 04-18-2004

04-19-2004 10:40 PM
by foff667

14

3,277

Generation III Internal Engine

2000, 53, cam, code, hesataion, po121, sierra, superchargers, tune, whipple

Problems after TSP 231/237 cam

(

1 2)

CAT3 on 12-20-2003

12-26-2003 05:05 PM
by WS6snake-eater

24

2,905

Generation III Internal Engine

06, 08, 2002, 53, cam, code, grand, p0121, pedal, po121, position, prix, sensor, ss, swap, throttle, trailblazer

explanation for P0121?

(

1 2)

WicketMike on 12-19-2003

12-24-2003 10:04 AM
by WS6snake-eater

26

15,961

PCM Diagnostics & Tuning

2003, carlo, counts, efilive, iac, ls1tech, monte, p0405, po121, showing

IAC counts at 0

(

1 2)

NO CATZZ on 11-20-2003

12-12-2003 02:36 PM
by rwb

20

6,975

PCM Diagnostics & Tuning

02, 09, 2001, 2002, ac, camaro, code, ls1, p0121, p1635, po121, repair, silverado, ss, throwing, z06

SES Code P0121

MaxedOutSS99 on 09-25-2003

09-29-2003 08:40 PM
by Mid-Life Speed

6

1,393

PCM Diagnostics & Tuning

po121 and 122

tranzam98 on 06-06-2003

06-27-2003 01:08 PM
by abarus

12

837

PCM Diagnostics & Tuning

46435, atitvity, insufecent, po121, position, sensor, throttle

help with po121

alws6 on 04-20-2003

05-15-2003 04:12 PM
by killer01ws6

8

852

PCM Diagnostics & Tuning

PO121 ???

RALPH N NY on 11-15-2001

11-15-2001 05:50 PM
by c4c5specialist

1

732

Generation III Internal Engine

Threads Tagged with po121