Supra won't start

[TomFraser]

I have a supra that drove about 60 miles then bogged out and quit

There was no pressure at the fuel rail, and the pump seemed to be working so I replaced both fuel filters

It started up after replacing the filters, drove it about .25 miles then back to my house and as I was driving up the driveway (steep hill) the car died.

Now I have no pressure at the fuel rail again, but the pump is making noises

one hint is that when I tried to start the car after the stall out the temp gauge went above H to the max the gauge can possibly go, If I pull the EFI switch the gauge acts normally

what else can I check? It is a fuel issue, but definitely not the fuel filters, any ideas? cranks strong...

 

[hvyman]

you can check for codes.

and here:
http://www.cygnusx1.net/Supra/Library/TSRM/MK3/manual.aspx?S=FI&P=14

 

[TomFraser]

error 32 and 51

A/C is disabled

error 32 is:
32 Air Flow Meter Signal(7M-GE)
HAC Sensor Signal(7M-GTE)

Diagnosis(Air Flow Meter Signal(7M-GE))
Open circuit in E2 or short circuit between VC and VS.
Trouble Area
Air flow meter circuit
Air flow meter
ECU
32 Air Flow Meter Signal(7M-GE)
HAC Sensor Signal(7M-GTE)

Diagnosis(Air Flow Meter Signal(7M-GE))
Open circuit in E2 or short circuit between VC and VS.
Trouble Area
Air flow meter circuit
Air flow meter
ECU

 

[TomFraser]

so where is the HAC? how can I confirm it is working? Any other issues that may be commonly causing code 32?

I searched but can't find much info about it

 

[TomFraser]

my car is totally missing the HAC

will this cause no starts and lack of fuel pressure?

I will be purchasing one now

 

[hvyman]

check your afm.

tubros have a air flow meter n/a's have a mass air flow sensor.

the afm is what controls the fuel pump once its started so that would be your trouble area since your not getting fuel.

 

[TomFraser]

afm returns correct resistance
there is fuel on the rail
cranks strong
will stumble every now and then

I do have code 32 because my HAC is missing... will this cause no starts?

 

[jetjock]

No, it won't.

 

[TomFraser]

No, it won't.

tomorrow I will check for spark, but would that always throw up a code?

anyone else have any ideas?

 

[dumbo]

Is your poopra a GE or GTE, and wha year.

Do you have fuel in your tank?

And 51 is related to the TPS also..

 

[TomFraser]

Is your poopra a GE or GTE, and wha year.

Do you have fuel in your tank?

And 51 is related to the TPS also..

gte 87 completely stock, missing HAC... just ordered one

have fuel in tank (not much though, drained most to drop it)

Will take an ohm meter to TPS and some threads recommended shaking the CPS

 

[dumbo]

Yah your HAC should be external, behind the gove box. I would make sure you got fuel...literally in the tank.

 

[TomFraser]

Yah your HAC should be external, behind the gove box. I would make sure you got fuel...literally in the tank.

tank has at least 3 gallons

 

[Island_Yota]

tank has at least 3 gallons

Put more in.. see what happens.

 

[TomFraser]

will do... i'll go fill my 5 gallon gas can, will that be enough?

 

[TomFraser]

filled the tank and the fuckin thing started

it had 3 gallons in it so I know it should have started...

what would cause my car to not have gas at less than three gallons?

fuel pump?

 

[mdr40z]

wow, just wow..... thanks for posting results however humiliating::hah::
I can't imagine what would cause that