Yeah hes right I would check your timing belt and make sure everything is peachy there then next make sure your ignition timing is dead on. My 86.5 ran like that when I bought it because the guy just did the timing belt and it did the same thing it was like a tooth off and thats all it took to drive me nuts for a while. Also besides just your fuel filter check the fuel pressure regulator if it isnt letting the pressure build up then you wont have enough fuel pressure to run at anything higher than idle.
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1987 supra NA 5 speed
1JZGTE swap
Tokico Illumina 2 and Eibach springs
Tokico pillow blocks
Suspension Techniques front and rear sway bar
HKS super dragger cat-back exhaust plus test pipe
Greddy Profec B spec 2 boost controller
HKS type 1 turbo timer
Supra sport solid steel drive shaft
Walboro 255 fuel pump
JZA70 Front end mod
18" Volk Racing AV3 18x8.5 front 18x9.5 rear
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