FastAsleep

obd0 B16 in a 91 EF.
motor isn't getting proper fuel
I am not getting 12v power to the injectors.

checked out the injectors themselves, they checked out ok all 2.5 ohms

checked the resistor box, thats fine.

checked the main relay, thats ok

i have 41psi fuel pressure

suggestions?

FastAsleep

bump for help..

saikouEF8

check for loose thermostat ground

FastAsleep

checked it, cleaned the crap out of it.. reconnected. no change. thanks for the input though

saikouEF8

pehaps u have a bad injector relay. do u hear the pump? if so, then i suspect its the injctor relay. no injector but everything else working kinda means the relay isnt working.

FastAsleep

i wasn't aware of an injector relay... ? i have checked the main relay, the injector resistor, the injectors themselves... the fuel pump does turn on and i have 41psi pressure.

saikouEF8

im not sure where to proceed... ill go take a look at my car to see if i forgot anything...have u tried reseting your ecu?

FastAsleep

yes i have reset the ecu multiple times through this. The ecu isn't picking up any cells. i can throw a cell by disconnecting a sensor though so i am preetty sure its working ok...

4dOoR-Ex

ok last time i checkT obd0 injecters wer powerd by 5.5v so if getting anything lower then that replace your injector resister box..because obd1/obd2 injecters require 12v.....about the 41psi dosent sound rite do u have a fuel preasure regulater? if i was you i wound bring it down to around 30 see if it starts

FastAsleep

the resistor box checks out. and 41 psi is within spec also.

4dOoR-Ex

hit me up on aim lilsn0py

FastAsleep

ok.............

type Gendy

fuel filter?

FastAsleep

fuel filter is brand new. and the problem existed b4 i replaced it.

type Gendy

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 4dOoR-Ex &raquo;</TD></TR><TR><TD CLASS="quote">ok last time i checkT obd0 injecters wer powerd by 5.5v so if getting anything lower then that replace your injector resister box..because obd1/obd2 injecters require 12v.....about the 41psi dosent sound rite do u have a fuel preasure regulater? if i was you i wound bring it down to around 30 see if it starts</TD></TR></TABLE>

wrong!

Voltage between the red/black terminals and a body ground on each injector should read battery voltage.

Fuel pressure at the fuel filter should be between 35-41 psi with the vacuum hose of the fpr disconnected.

crx_88_si

check your thermostat ground.

Perfectionist

Do you have any voltage at the injector clips themselves? If not, the path is basically... a fuse, ignition switch, main relay, resistors, injector coils, then to ground through the ECU, pluss all the wire and connectors in between.

FastAsleep

yeah i seem to remeber following it back to the #2 fuse not having any power . then i checked the wires off the ignition switch and one that is supposed to have continuity didn't