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2

What Does P0121 Mean in a 2015 Chevrolet Tahoe? Understanding the Fault Code

I'm experiencing a P0121 diagnostic trouble code in my 2015 Chevrolet Tahoe. This code indicates an issue with the throttle position sensor (TPS) or related circuitry. Possible ...

2015 Chevrolet Tahoe | P0121
2018-10-23
1 comments
2

2013 Skoda Sirocco P0121 Error Code: TPS Sensor or Wiring Issue Diagnosis

Hello everyone, I'm looking for clarification on the meaning of the P0121 error code in my 2013 Sirocco BlueMotion diesel (13 plate). The code indicates a 'TPS/Pedal Position S...

2013 Sirocco | P0121
2018-09-08
2 comments
2

2003 Hyundai Accent P0121 OBD2 Diagnostic Issue - How to Fix?

I'm currently experiencing a Check Engine Light with fault code P0121 on my 2003 Hyundai Accent. I've already tried several troubleshooting steps, including replacing three TPS ...

2003 Hyundai Accent | P0121
2018-08-09
0 comments
2

2008 GMC Sierra / Suburban P0121 Throttle Position Sensor Fault Diagnosis

I recently encountered DTC P0121 on my 2008 GMC Suburban. I've already checked the wiring and pedal sensor connections, but I'm unsure of other potential causes since the vehicl...

2008 Suburban | P0121
2017-10-28
2 comments
0

2003 Dodge Durango V8 4.7L P0121 Code: Diagnosis & Solutions for TPS Voltage Issue

Hi everyone, I'm currently troubleshooting a persistent P0121 code on my 2003 Dodge Durango with the 4.7L V8 engine. Despite replacing the Throttle Position Sensor (TPS) three ...

03 dodge durango v8 4.7L | P0121
2017-09-12
2 comments
2

2002 VW Cabrio P0121 OBD2 Code: Diagnosis and Solutions

I have a 2002 Volkswagen Cabrio displaying a P0121 diagnostic trouble code. The vehicle starts normally but runs roughly for a few seconds before settling into smooth operation ...

2002 VW Cabrio | P0121
2017-07-11
1 comments
0

2007 Chevrolet Impala P0121 and P2135 Fault Code Diagnosis - Pedal Position Sensor Issue?

My 2007 Chevrolet Impala has been running reliably, but recently it triggered both fault codes P0121 and P2135. I believe these codes are pointing to a potential failure in the ...

07 chevy Impala | P0121
2017-02-08
5 comments
9

1998 Honda Accord 2.3L EX - No 5V Signal to TPS Sensor and Shift Lock Issue

My 1998 Honda Accord 2.3L EX is not sending a 5-volt signal to the Throttle Position Sensor (TPS). I've checked the voltage at both the TPS sensor and at the ECM connector — no ...

98 Accord 2.3 EX | P0121
2016-11-03
6 comments
2

2011 Chrysler 200 P0121 and P2135 Codes: Same Root Cause or Separate Repairs?

I recently encountered two diagnostic trouble codes on my 2011 Chrysler 200: P0121 and P2135. I'm trying to determine whether these codes point to the same underlying issue or i...

2011 Chrysler 200 | P0121
2016-06-09
2 comments
0

2006 Chevrolet Impala P0011, P0121, P0449, P0455, P1516, P2101, P2143, C0700 - Engine Power Reduction and Shifting Issues

My 2006 Chevrolet Impala is showing multiple diagnostic trouble codes: P0011, P0121, P0449, P0455, P1516, P2101, P2143, and C0700. When these codes appear, the vehicle frequentl...

06 Chevy Impala | C0700
2016-03-07
8 comments
2

2009 Chevrolet 3500 6.0L Diesel - P0121 and P0440 Fault Codes: Diagnosis and Fixes

I'm experiencing both P0121 and P0442 fault codes on my 2009 Chevrolet 3500 with the 6.0L engine. I've already replaced the accelerator pedal and throttle position (TP) sensor, ...

2009 chevy 3500 6.0 | P0121
2016-02-25
1 comments
2

2005 Chevrolet Impala 3.4L Engine P0121 Code: Throttle Position Sensor Issue and Hesitation After Replacement

My 2005 Chevrolet Impala with a 3.4L engine has been displaying the P0121 diagnostic trouble code, which indicates an issue with the throttle position sensor (TPS). I replaced t...

2005 impala | P0121
2016-02-17
1 comments
1

1997 Volkswagen Jetta GL OBD2 Fault Codes: P1544, P0102, P0121, and P0341 - Engine Dies After 7 Seconds

My 1997 Volkswagen Jetta GL is displaying OBD II fault codes: P1544, P0102, P0120, and P0341. The vehicle starts but runs for only about 7 seconds before stalling completely. I ...

1997 Volkswagen | P0102
2016-01-23
0 comments
1

1997 Buick Lesabre P0121 Code Not Clearing After TPS Replacement - Fix & Wiring Issues

I own a 1997 Buick LeSabre with the 3.8L V6 engine, second-hand vehicle with only 44,000 miles and excellent condition. This morning, while pulling into the garage, I noticed th...

1997 Buick Lesabre | P0121
2015-11-03
2 comments
1

1996 Chevrolet S-10 Check Engine Light: OBD2 Codes P0121, P0171, P0174 Explained

I'm experiencing a check engine light on my 1996 Chevrolet S-10 with engine code readings showing P0121, P0171, and P0174. The vehicle has a 2.2L inline-four engine with catalyt...

1996 S-10 | P0121
2015-08-20
4 comments
2

OBDII Diagnostic Codes P0410, P0506, P0121, and P0507 in 2002 Olds Aurora 4.0L Engine at 178,000 km

The vehicle runs smoothly under normal conditions but exhibits erratic idle behavior: it may idle too low, stall when starting and shifting into gear, or stall while driving at ...

2002 OLDS Aurora 4.0 | P0121
2015-07-30
1 comments
J

Jeep Grand Cherokee 4.7L OBD2 Codes P0206, P0121, and P0455 Explained - Causes and Solutions

I recently performed an OBD2 diagnostic on my 2002 Jeep Grand Cherokee 4.7L V8 and received three trouble codes: P0206, P0121, and P0455. I'm looking for a clear explanation of ...

Jeep Grand Cherokee 4.7 | P0121
2015-07-21
4 comments
j

2002 Jeep Liberty P0123 P0121 P0700 P0505 - Engine Light On, Poor Acceleration, Speed Limit at 30 MPH

My 2002 Jeep Liberty was running normally yesterday. However, after arriving home today, the engine warning light turned on and the engine sound became significantly louder than...

jeep liberty | P0121
2015-07-16
1 comments
1

1998 Buick Lesabre P0108 P0121 P0102 - Engine Dies After 30 Minutes, Starts Again Then Cuts Off

My 1998 Buick Lesabre started running after I replaced the fuel pump, but only runs for 20 to 30 minutes before suddenly cutting off. Even after replacing the faulty throttle ho...

1998 Buick Lesabre | P0102
2015-05-30
1 comments
F

Ford Explorer 2007 P0121 and P2135 Error Codes: Causes and Solutions After TPS and Throttle Actuator Replacement

I own a 2007 Ford Explorer with a 4.0L engine. I've been experiencing two persistent OBD2 error codes: P0121 and P2135. I recently replaced both the Throttle Position Sensor (TP...

Ford Explorer 2007 | P0121
2015-05-13
0 comments
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