99 ta that runs very strange, low on power and runs like its on low octane fuel. This all started after the fuel filter blocked with dirt from bad fuel. The trans was worked on at the same time also. So far i've had the plugs and fuel pump changed and it didn't help much. If you sit at a traffic light for a min then it will un full power for about 1/8 mile then start losing power. It idles smooth and gets good gas mileage. It seems like the timing is getting pulled way back for some reason i can't find. Any ideas?