so some have seen my build thread & some have not,ive got an 88 monte ss with a 305 thats been converted to an 88-89 TPI.i have an 88 harness & ECM (1227165) MAF used with an 89 intake/runners/plenum with a custom PROM (CS deleted)from Sinister Tech. Problem is injectors are flooding the cylinders to the point of hydrolock on prime cycle
,ive been through 2 oil/fuel changes,replaced a fuel rail,rebuit a fuel rail,2 sets of injectors,2 sets of plugs & checked the AFR twice. i have 46lbs of FP on prime but it dosent hold,does hold when cranking.ive done alot of testing on injectors all seem to check out 12v
With the ECM disconnected:
Injector ground wires do not have continuity to chassis ground.
All right side injectors grounds are connected to each other.
All left side injectors grounds are connected to each other.
Right and Left injector wires are not connected to each other.
With ECM connected:
All injector ground wires have continuity to chassis ground - (1.52 kOhm)
Right and Left injector wires are all connected to each other via ecm
after weeks of checking everything & testing,i believe the PROM may be the problem trying to compensate fuel on startup due to cold start being deleted.ive removed all plugs & rolled engine over to push out the fuel,unplugged the injector pigtails & tried to start.it started for 3-5 sec.put pigtails back on & plugs soaked.
any ideas or suggestions cause all i got left is the prom to blame.thanks guys
,ive been through 2 oil/fuel changes,replaced a fuel rail,rebuit a fuel rail,2 sets of injectors,2 sets of plugs & checked the AFR twice. i have 46lbs of FP on prime but it dosent hold,does hold when cranking.ive done alot of testing on injectors all seem to check out 12v
With the ECM disconnected:
Injector ground wires do not have continuity to chassis ground.
All right side injectors grounds are connected to each other.
All left side injectors grounds are connected to each other.
Right and Left injector wires are not connected to each other.
With ECM connected:
All injector ground wires have continuity to chassis ground - (1.52 kOhm)
Right and Left injector wires are all connected to each other via ecm
after weeks of checking everything & testing,i believe the PROM may be the problem trying to compensate fuel on startup due to cold start being deleted.ive removed all plugs & rolled engine over to push out the fuel,unplugged the injector pigtails & tried to start.it started for 3-5 sec.put pigtails back on & plugs soaked.
any ideas or suggestions cause all i got left is the prom to blame.thanks guys