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En esta sección, hablaremos sobre todo lo relacionado con el tuning . Noticias, productos, problemas y resultados.
= Hilos resueltos
Hello all!
New member here. So taking a wack at my first tune on a spare k20a3 turbo I have. At the moment, it seems to be breaking up as I go through the rpms. I want to at least get it to go through the rpms without breaking up before renting a dyno.
Set up:
Stock K20a3
Custom log turbo kit
BB 6262
FIC900cc 91 fuel
Targeting 10psi
Tuning on kpro v4
When I start easing into the throttle it completely cuts out completely. If I ease into it slower, it moves through the RPMs decently, then starts breaking up a tad around 4k rpm. Any suggestions where I should start looking?
Are the signals from your sensors consistent? I've seen a bad TPS sensor cause a problem we thought was ignition related, but was actually drop outs in the TPS, so the ECU would cut the fuel.
Are you sure your timing is safe?
Is it only happening under load, or can you replicate it under free-reving in the garage?
Have you logged data with your kpro? What does it show when the break-up happens -- what does it show just before that (is it trending lean or rich?) What does the battery voltage look like?
Good call. It was indeed the TPS. Thank you sir!
Ha! What a coincidence.. BTW, I didn't find the bad sensor until we went to the dyno and could easily repeat it.
