TBI FUEL PRESSURE SENSOR

1991 Pontiac Sunbird

Tiny

vern1939

November, 17, 2010 AT 11:07 PM

I amhaving trouble with flooding TBI carb. Bottom is covered with raw fuel.
checked injector with ohm meter ok. Getting 12v to injector when key on.
dont see pulses to injector.
is my fuel pressure sensor on side of carb related? I get 6v on one pin of sensor.

needing help.

thanks Vern (know what I mean)

FOUND 1367 RELATED QUESTIONS

8 Answers

Tiny

rasmataz

November, 17, 2010 AT 11:10 PM

No injection pulses check the injector ground driver circuit on the computer-fuel pressure regulator leaking/fuel metering body-

Tiny

vern1939

November, 19, 2010 AT 11:00 AM

I need a new pressure regulator probably huh?
Will get one and put it in to seee how itgoes.
Thank you

Vern

Tiny

vern1939

November, 20, 2010 AT 5:10 PM

Installed a throttle body fuel sensor

still flooding

will check voltages

Tiny

wutsupy

November, 20, 2010 AT 8:33 PM

Ahhh it could be a broken o ring on injector just something to check

Tiny

wutsupy

November, 20, 2010 AT 8:35 PM

It could be a broken o ring on injector. Just a easy thing to check

Tiny

vern1939

November, 21, 2010 AT 1:47 PM

Will check again "OHHH" ring (; ) again, looked good first examination.

Still looking for illustration. Thanks whats up.

Tiny

vern1939

November, 22, 2010 AT 1:47 PM

Hey rasmataz, where is the driver and how do I check it? Voltage to be seen, etc.

Thanks vern1939

Tiny

vern1939

November, 22, 2010 AT 7:37 PM

Wow, changed ohh rings, gas everyplace

voltage to injector 12v (key onl only) g etting sprayed iwth gas
voltage to tbi sensor (new one) key on 6 vol at number two pin *left most pin when viewed from tnd of wires.

Sensor pins 1
2 3
HHHHHHHHHEEEEEEEEEEEEEEEEEELLLLLLLLLLLLLLLLLLLPPPPPPPPPPPPPP

THANKS VERN1939

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