VT3C
26-08-2011, 09:12 PM
just finished swapping an OBD0 B16 out of a 1990 EF9 into an 89 LS integra.
All fine with no codes but runs SUPER RICH and not sure what is up.
Symptoms:
- lumpy idle but at correct rpm.
- Slightly hesitant/sputtery throttle response, WOT is fine.
- power seems decent and right to redline.
- blows a fair bit of black smoke under throttle and even at idle, even when warm.. Doesnt use any oil or coolant.
Have checked and swapped map, tb, tps, iacv, o2 sensors... We were using the B18A TB and TPS but i havnt been there to see running after swapping to the original b16 TB and TPS but apparently still fouling the plugs.
We cleaned the old iridium plugs that came in the frontcut and put them in and she idled perfectly and then we gave it a rev, perfect and no blk smoke, then a few seconds later it went ratty again. Pulled the plugs and fouled again.
All i can think of that hasnt been converted to EF9 spec is that the LS has two litte cannisters up on the firewall with the map sensor.. Apparently the LS has a purge solenoid for the evap (i think) but my ef9 and the frontcut only have the one little cannister.
Plan to match the vac hose diagram on the decal under the hood of my ef9, i figure we need to match the vac system to the ecu, but as i said we're not getting any codes. We DID get 2ndary O2 sensor code prior to swapping in another set oh O2's.
All fine with no codes but runs SUPER RICH and not sure what is up.
Symptoms:
- lumpy idle but at correct rpm.
- Slightly hesitant/sputtery throttle response, WOT is fine.
- power seems decent and right to redline.
- blows a fair bit of black smoke under throttle and even at idle, even when warm.. Doesnt use any oil or coolant.
Have checked and swapped map, tb, tps, iacv, o2 sensors... We were using the B18A TB and TPS but i havnt been there to see running after swapping to the original b16 TB and TPS but apparently still fouling the plugs.
We cleaned the old iridium plugs that came in the frontcut and put them in and she idled perfectly and then we gave it a rev, perfect and no blk smoke, then a few seconds later it went ratty again. Pulled the plugs and fouled again.
All i can think of that hasnt been converted to EF9 spec is that the LS has two litte cannisters up on the firewall with the map sensor.. Apparently the LS has a purge solenoid for the evap (i think) but my ef9 and the frontcut only have the one little cannister.
Plan to match the vac hose diagram on the decal under the hood of my ef9, i figure we need to match the vac system to the ecu, but as i said we're not getting any codes. We DID get 2ndary O2 sensor code prior to swapping in another set oh O2's.