P CODES (POWERTRAIN) P0100 - P0199 P0121 Questions
1997 Gmc Safari Code P0121 Service Engine Soon Light
Po121 Code For 1997 Gmc Safari What Do I Need To Fix For This Code To Disappear?
Asked by rocket2220
Strange Engine Codes Randomly Appear
B2991 Right Front Door Ajar Circuit Malfunction, C0050 Right Rear Wheel Speed Sensor Circuit Malfunction, P0121 Throttle/pedal Position...
Asked by I_MBowtie
Code P0121
Got A P0121 Code And Put A New Tps On But It Still Runs Very Bad And The Same Code Keeps Coming Back.
Asked by Joemomma1968
Code P0121
Recently I Checked My “check Engine Light” With A Obdii Reader And I Got P0121. “throttle Position Sensor Performance”. I Just Went...
Asked by Zushimaru
2003 Chevy Impala PO121 WONT GO AWAY
My Car Keeps Getting A Code Of Po121. The Rpm's Will Go Up...it Take's For Ever For It To Shift Out Of First Gear..and When You Push On The...
Asked by faw484
TPS Performance Problem...DTC P0121
Well, I'm Pretty Much At My Wits End Now Because I've Thrown A Tps Performance Code Several Times...dtc P0121: Throttle Position Circuit...
Asked by Macatron
OBD 2 Code P0121
I Am Getting A Check Engine Light That Pulls Code P0121 It Said Something About Throttle Position Sensor Circuit Performance Range. Does...
Asked by Samms21
2003 Chevy Impala PO121
My Car Wont Run Right. I Have Replaced The Throttle Position Sensor Because I Got A Code Po121. And It Ran Find For A Few Days. Then It...
Asked by faw484
1997 Pontiac Sunfire Code Po121 Po304
The Code Shows Po121 Tps/pedal Position Sensor A Replaced Both Po121 Still Comes Up Also Po304 Cyl.4 Misfire.runs Rough Stalls. Plugs Are...
Asked by john schuttenhelm
2003 Chevrolet Impala Code Reading PO121
I Have Been Getting A Code Reading Po121.so I Changed Out The Throttle Position Sensor And It Worked For A Day And Now Getting The Same...
Asked by htrdjm