Turbo Issue? Please Help - Honda Prelude Forum

sc45ott · 03-18-2009, 04:28 PM

Alright guys, i have a 98 turbo running the hondata S300. I am running 16psi and if i ever do a 3rd, 4th, or 5th gear pull the engine will cut off and the check engine light will come on. The engine then will start back up and check engine light will go away. I rode around with the labtop and the error code does not show up on the computer so i cant figure out what it is.
But here what gets me.....i can get into it hard from 1st to 5th and nothing will happen....only when i do pulls in thoughs gears.
Does anybody know what this problem is? im clueless unless its the boost cut....but why?

mdpc20653 · 04-09-2009, 08:00 PM

mine does the same. i asked around and ive been told its because if its not warmed up pass 160* then it will do that. but i also run a mugen t-stat too. gonna swap this weekend and see

Artifex · 04-09-2009, 11:51 PM

how many psi are you running?

If you are on the stock MAP sensor and you go past 10psi, the MAP sensor can't read it anymore.

sc45ott · 04-10-2009, 06:13 AM

i running 16psi but i do have that 3 bar map sensor. i figured that its not the check engine light shutting the engine down, but the check engine light is coming on because the engine is starting back up. i think i will just get it tuned again and see what happens....cause the wideband is going real rich when im at full throttle...like below 9,,maybe its getting to much fuel. idk

mdpc20653 · 04-10-2009, 10:55 AM

im running 9psi