Have a friends car 2006 GSR

What I have done:
3" o2, Agency power full Ti exhaust
K&N typhoon intake (getting rid of, going back to stock airbox)
ECUFLASH, saved stock map, uploaded EVO 9 RS JDM MIVEC MAP

THAT'S IT!!!!

Ok, now tricky part, car runs/drives fine everything good, needs a tune so pull car into my work and park it there over night. Mind you I put close to 15 starts and 50 miles on car in current config. Then I go to start it one morning and it cranks but will not fire. I tried to hookup the ECUFLASH to it just to see if I could get anything out of scantech or mitsulogger. NO ECU FOUND! It's like the ECU is not there. EVERYTHING ELSE IS FINE, NO ACD LIGHTS, nothing.

PLEASE HELP!!!!

 

wow, lots of replies! BUMP FOR ANY HELP!

 

before you start panicking, think about what you were doing after the last successful start/drive. were you messing w/ the ecu cables by chance? installing electronics? trace your action and it will most likely lead to the solution.

 

im guessing ecu fuse maybe ? .... seems like a likely cause.... or maybe one of the main engine fuses

 

no man thats what's crazy, car was fine, started drove it fine for prolly 15 days, then i pulled it in over night into the garage, went to pull it out and NOTHING

 

here is a question... did you check the battery connection ? jiggle the ground cable as well...... maybe even jump it. If the ecu has low voltage it wont work right.