have a lsvtec fully built but sometimes it stalls when i come off the belt way i have a p28 ecu here is the list of mods . i think i might be the ecu sometime the cel comes on but it goes out . btw i tried my stock auto ecu car won't start.
could it be the ecu i have p28 chipped 3 chips 2 threw cel on but the idle is rough. it sounds like it wants 2 turn off . if i give it gas it ok turned up fuel pressure same problems new engine has 401 miles of breaking 2 500 miles ne help car will die without warning @ idle today i was not even driving the car had it running @ it die full or 93 octance gas . it backfire 2


block
99b18b
ac blockguard
arp mainstuds
golden eagle blockgirdle
arp headstuds
ge oil adapter
acl bearings
itr oil pump
gsr gmb waterpump
balanced crank
shotpeened rods
p73aoo pistons
new oil pan gasket
flp baffled oil pan
obx pulleys
itr crank pulley
drivetrain
gsr tranny
ls 5th gear
itr lsd
act stge 3 6 puck ceramic
comp clutch 9.5 lb flywheel
flp clutch line
compression 11:9:1

head b16a2
rev valvetrain
rev flat valves
port matching on tb & manifold
blox hi lift cams
65 mm str tb
blox manifold
h22 vtec 290 injectors flowed/cleaned
190 fuel pump
new valve gasket
new headgasket
new orings
tuning
p28 with chipped all 3 programs run horribly skunk 2, j racing, allmotor
ge cam gears

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 99lsvtecauto &raquo;</TD></TR><TR><TD CLASS="quote"> new engine has 401 miles of breaking 2 500 miles ne help car will die without warning @ idle today i was not even driving the car had it running @ it die full or 93 octance gas . it backfire 2 </TD></TR></TABLE>

Huh? Your car stalls? Does it smoke? Have you done a compression and leakdown test? What chip did you put in it? When did this start?

 

after i drove it home i tried all threes chips it does not smoke ne more i did not build the car