06-17-2010, 08:05 PM
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Intake
Join Date: Jan 2009
Location: Scottsdale, AZ
Posts: 42
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HAC Sensor?????
Looking through my Supra today and I found an HAC sensor laying around in there. I have a 1JZ-GTE swapped in my 87 mk3. I have no idea what this HAC does, beside altitude pressure or something. Can you guys tell me if the Supra still uses this HAC sensor after a 1JZ swap? If so can you tell me where it is located or supposed to be so I can see if I have one installed?
Thanks! 
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87' 7M-GE Custom fab 3" Headers, Cat-Delete, 4" High Flow Flowmaster (WTF!!!!  ) MAF Adapter with truck sized Spectre filter. NGK Laser Platinum Plugs. K&N Oil Filter87' 1JZ-GTE Truck sized Spectre Air filter, Walbro 255LPH Fuel Pump, GM Fuel Pressure Regulator, Welded Rear end gears, Targa Top, 3" Intercooler kit, aluminium intercooler, Ebay boost controller, Ebay Oil-Catch can, I HAVE POWER STEERING AND A/C :P K&N 2JZ Oil filter, Catrol Syntec 10w-40 Fully synthetic oil
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06-17-2010, 08:05 PM
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#2 |
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Intake
Join Date: Jan 2009
Location: Scottsdale, AZ
Posts: 42
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Oh and by the way I tried to look this up in the searches, but HAC is too short and will not show up any threads
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87' 7M-GE Custom fab 3" Headers, Cat-Delete, 4" High Flow Flowmaster (WTF!!!! ) MAF Adapter with truck sized Spectre filter. NGK Laser Platinum Plugs. K&N Oil Filter87' 1JZ-GTE Truck sized Spectre Air filter, Walbro 255LPH Fuel Pump, GM Fuel Pressure Regulator, Welded Rear end gears, Targa Top, 3" Intercooler kit, aluminium intercooler, Ebay boost controller, Ebay Oil-Catch can, I HAVE POWER STEERING AND A/C :P K&N 2JZ Oil filter, Catrol Syntec 10w-40 Fully synthetic oil
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06-18-2010, 04:06 AM
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#3 |
 Toyota Racing Development Join Date: Apr 2007
Posts: 5,038
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No, the 1JZ shouldn't need the HAC at all AFAIK... isn't it MAP based?
The HAC is essentially a MAP sensor which serves to provide a supplement to the AFM's measurements. It's mounted to the same support that the glove box's hinges are mounted to.
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06-18-2010, 04:29 AM
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Intake
Join Date: Jan 2009
Location: Scottsdale, AZ
Posts: 42
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Quote:
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87' 7M-GE Custom fab 3" Headers, Cat-Delete, 4" High Flow Flowmaster (WTF!!!! ) MAF Adapter with truck sized Spectre filter. NGK Laser Platinum Plugs. K&N Oil Filter87' 1JZ-GTE Truck sized Spectre Air filter, Walbro 255LPH Fuel Pump, GM Fuel Pressure Regulator, Welded Rear end gears, Targa Top, 3" Intercooler kit, aluminium intercooler, Ebay boost controller, Ebay Oil-Catch can, I HAVE POWER STEERING AND A/C :P K&N 2JZ Oil filter, Catrol Syntec 10w-40 Fully synthetic oil
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