LT1-LT4 Modifications 1993-97 Gen II Small Block V8

lt1 help i think o2 sensor ??????????

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Old 12-27-2007, 06:46 PM
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Default lt1 help i think o2 sensor ??????????

its a 97 trans it has long tubes and some other little things. but when i drive it studders until i slam it to the ground then it takes off pretty good. and if i go up to the next gear when its studdering it stops a little and it seams a little rich. i get the code p1661 but thats i wide verity of things (mil circut)
it has new plugs and wires all on tight and the maf sensor has been change to see if it was that oh and the map sensor been change. so what you guys think.????
Old 12-27-2007, 07:19 PM
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It sounds kinda like mine did when the O2's were bad. Does it run ok for ten minutes or so after you first crank it?
Old 12-27-2007, 07:38 PM
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yeah i think its because the o2 takes time to warm up. i think there the heated ones



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