TBI fuel pressure sensor

VERN1939

MEMBER
1991 PONTIAC SUNBIRD
4 CYL
FWD
AUTOMATIC
180,000 MILES

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)

8 Replies

RASMATAZ

MECHANIC
75,992 POSTS

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

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Wednesday, November 17th, 2010 AT 11:10 PM

VERN1939

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15 POSTS

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

Vern

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Saturday, November 20th, 2010 AT 8:35 PM

VERN1939

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

Still looking for illustration. Thanks whats up.

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Sunday, November 21st, 2010 AT 1:47 PM

VERN1939

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

Thanks vern1939

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Monday, November 22nd, 2010 AT 1:47 PM

VERN1939

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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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Monday, November 22nd, 2010 AT 7:37 PM