wtf.! getting this nagging PO121 code
09-13-2004, 03:47 PM
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wtf.! getting this nagging PO121 code ok,my car is a 2002 trans am , in the spring I ordered a ported tb. from jantzer, put it on with all of my other mods. and was ok for about a month then one day just coming home from work,SES light.So I go to autozone,yep [code po121] tps senser,had it deleted was ok for for awhile.note: I drive my car maybe 30 miles a week,only on nice days.so awhile later SES light ,go to autozone,again po121.had it deleted again. now about 2 weeks ago ,ses light, po121. so I by another TPS,no problem until today,yep,ses light and again PO121.WTF.! the funny part is my car runs fine.!and Its trowing the code under normal driving cond.any help would be appreciated. 
09-13-2004, 06:33 PM
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There wasn't a throttle bump stop mod done as well was there? .. sounds like the familiar code when we go past 4.62 volts when taking down the bump stop?
Last edited by J&JsTA; 09-13-2004 at 06:39 PM.
09-13-2004, 09:05 PM
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Originally Posted by yellowbird
joe,the thing is, It does it just driving at the norm. speed no wot.!
Last edited by J&JsTA; 09-14-2004 at 07:43 AM.
