ok my buddys got a 90 si hatch. jdm b16a w/ lsd. but is slower then dog ****. im talkinm like 16.0 its throwing a kncock sensor code and electrical load detector coad. could that be the cause.

 

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check your knock sensor. the CEL is probably causing it to run in limp mode. do you atleast get vtec ?

 

ya its getting vtec real loud. its throwing a 20 and 23 code. they say u have to replace the under hood fuse box to get rid of the electrical load detector

 

so can anyone give me any more advice we gotta get this thing going. he got beat by a vw! its throwing a 20 and 23 code out of his pr3 ecu please help!

 

I would start by fixing the cels. Then compression test, tune up, dyno?

 

check all the grounds make sure they are good. there is a ground on the valve cover to radiator support, Grounds on the thermo housing coming out of the wiring harness, and the ground on the transmission going to the car.