mk3 wont pass 40 mph?? - Toyota Supra Forums

11-10-2007, 03:32 AM

Supra2NR

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Join Date: Apr 2006

Location: Chi-Town

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Quote:

Originally Posted by tokis

i just bought a 1987 mk3 auto turbo. Car take off fine until it hits around 40mph, start bogging and struggling. My buddy says its a ECU problem, too much fuel maybe? cuz its blows out black smoke when I take off. plz help me I'm new to supras

could be the regulator since you said it was blowing black smoke
have you checked the sparkplugs? coilpack
maybe sum of them are fouled and youre not burning the fuel anymore

jus a few thoughts

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