I have a aristo 2jzgte single turbo with mkiv pump, afpr, 650cc, new o2 sensor and other mods on stock ecu. Lately ive just been breaking in the motor after a fresh rebuild afrs look good at cold start, idle and cruise (14-15). So far so good after 400mi. My only concern is after ive driven it about 25mi and and turn it off and let it sit for about 20min and try to start it it lean idles at around 17 for a about 20 sec and clears up to stoich. Ive smoke tested and no leaks anywhere, i should note that once i shut my car off fuel presseure bleeds down to 0 after about 30sec. Could this be a heat soak issue in the fuel lines? Ive also read IAT may get heatsoaked. Any suggestions appriciated thanks.
aristo 2jz lean hot start
- Thread starter jesse_rc1991
- Start date
I don't have an answer, but I do have a question-
How is it your not running pig rich with 650 injectors on a stock ecu?
How is it your not running pig rich with 650 injectors on a stock ecu?
Afr won't be true until the sensor warms up. If the car idles fine I wouldn't worry about it.
Yeah, Steve mk3 I don't understand that either.
Yeah, Steve mk3 I don't understand that either.
Idk. I even had the injectors cleaned and tested at driftmotion and they flowed great 700cc in fact. I have my fpr set at 40psi, no vacuum, with mkiv pump, cleaned gas tank new lines for pressure and return(stock) and a driftmotion duel dampner bypass line