Chevrolet Impala P Codes (Powertrain) P0100 - P0199 P0121

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2003 Chevrolet Impala Code Reading PO121

2003 CHEVROLET IMPALA
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...
1 ANSWER
Asked by htrdjm

2003 Chevy Impala PO121

2003 CHEVROLET IMPALA
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...
1 ANSWER
Asked by faw484

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