CEL on, engine drops power

kwak123

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randomly when accelerating, the engine randomly drops and picks up power... it sounds like v-tec kicking in 4 times accelerating from 3k to 6k rpm in 2nd gear... i have a shattered cat matrix, so i've bought the magnaflows (and my catback :D) but i'm getting a feeling its the O2 sensor too.. does anyone have any opinions on that diagnosis? or any thing else to add?
 

001Stunna

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When was the last time you had a tuneup done? I think SykVSyx was having somewhat similar issue/sympotoms with his 00 TL car and it turned out to be a misfire in all 6 cylinders.

nevertheless knowing the code that your car is throwing would be needed for further insight.
 

kwak123

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got it at 120k miles, at 155 now... and i got the CEL checked, running p1259

nooo! my vtak has failed mehz :(
 

cirsurvive711

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got it at 120k miles, at 155 now... and i got the CEL checked, running p1259

nooo! my vtak has failed mehz :(

I get the same code and have the same issue. My vtec solenoid was clean too. My cat is bad though and i'll be putting in a new one soon so hopefully that fixes that..
 
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