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Code P0121, Bad hesitation, HELP!

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  • Code P0121, Bad hesitation, HELP!

    The other the day my car started idling crazy, it wouldn't keep a costant idle, just kept jumping around. On my way to work the SES light comes on and the car starts hesitating real bad. I stopped by Auto Zone and got the free diagnostic done and code P0121 came up so I changed the TPS for $50.00 F'n dollars. That didn't help, I had a problem about 6 months ago with the hesitation and it ended up being a bad spark plug. There was no code for this this go around though. Oh yeah, I tried that Sea Foam stuff right before all this happened too. I did about a 1/3 to 1/2 can in the brake booster line and I didn't get any smoke or anything like everyone said would happen. I also added a can to the gas when I filled up the next day. Do you think it could be the Sea Foam that caused this? Is there anything special about putting the new TPS on? I just put the thing back on, and put the screws in. Didn't seem like I had to do anything special. I have a 97 camaro 3.8 by the way.
    <a href=\"http://www.cardomain.com/ride/2093533\" target=\"_blank\">CarDomain Page</a>

  • #2
    TTT
    <a href=\"http://www.cardomain.com/ride/2093533\" target=\"_blank\">CarDomain Page</a>

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    • #3
      i dont know, but try resetting the computer by disconnecting the battery, maybe the comp has to adjust to the new tps. like always check your plus,wire, coil packs, o2 sensors. check those and then post what your found or didnt find out about your car.
      96 Camaro 3.8 A4 Basemodel: 8 mm wires, Shift Kit, Hollowed <br />Cat(o2 sims), RKSport exhaust, IAT 5.6K resistor, Home Depot CAI<br />&gt;&gt;&gt;15.375 @ 89.27&lt;&lt;&lt;NEW BEST TIME <a href=\"http://www.cardomain.com/memberpage/552491\" target=\"_blank\">http://www.cardomain.com/memberpage/552491</a>

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