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Location:
Gold Coast
Registered:
June 2002
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1JZ-GTE boost sensor?
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Wed, 02 July 2003 12:40
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just a query... someone i talked to said there was a boost sensor for the 1jz... i dont see how it would make sence cause if there was air getten to the motor it would automatically boost and lean out "if" there was a boost sensor and it couldnt retard the timing and drop more fuel...
could the malpassi fuel reg have any thing to do with it if its not tuned properly?
still cant get my motor to boost... ne thoughts... will try any thing?
thanks
Pete
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Location:
UK
Registered:
May 2002
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Re: 1JZ-GTE boost sensor?
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Wed, 02 July 2003 22:37
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nope no boost sensor, just the map sensor.
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Registered:
June 2002
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Location:
Brisbane
Registered:
May 2002
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Re: 1JZ-GTE boost sensor?
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Thu, 03 July 2003 02:39
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As mentioned above, the 1JZ uses a MAP sensor. That means the ECU always knows exactly what the manifold pressure is, so there's no need for a separate "boost sensor".
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Location:
UK
Registered:
May 2002
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Location:
Gold Coast
Registered:
June 2002
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Re: 1JZ-GTE boost sensor?
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Thu, 03 July 2003 08:56
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could this map sensor be faulty? and if it is... would it cause it not to boost? or any thing else for that matter
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Location:
UK
Registered:
May 2002
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Location:
Gold Coast
Registered:
June 2002
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Re: 1JZ-GTE boost sensor?
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Thu, 03 July 2003 10:06
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the turbos are of the car atm... one seems to be fine and the other one has slight chips on the exhaust wheel... and when the bov goes of there is alot of air comin out so its making "boost" but its not working...
if i was to "t" in the boost guage just before the plenum that would give me the most correct reading right?
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Location:
UK
Registered:
May 2002
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Re: 1JZ-GTE boost sensor?
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Thu, 03 July 2003 10:41
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yuo mean tee into one of the vacuum pipes on the inlet manifold? yep this would give you the pressure reading.
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Location:
sunny coast, qld
Registered:
October 2002
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Re: 1JZ-GTE boost sensor?
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Thu, 03 July 2003 11:53
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sorry OT: but hedgehog snadwich: If the 'decat' you have in your signature is referring to the hollowing out of the cat, i don't think it is a good idea to be telling everyone on a public forum that you have it as the police can look at these forums too. There is a BIG ASS fine for having a hollowed or no cat!!!!!
just letting you know man.
anyway, carry on 
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Location:
UK
Registered:
May 2002
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Location:
Gold Coast
Registered:
June 2002
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Re: 1JZ-GTE boost sensor?
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Sun, 06 July 2003 06:34
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i know im a pain in da ass but i checked the toyota catalouge and it says there is a boost sensor for a 1jz
opionons?
confused Pete
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Location:
Gold Coast
Registered:
May 2002
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Re: 1JZ-GTE boost sensor?
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Sun, 06 July 2003 08:15
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There is the MAP Sensor for the engine, sits on the firewall and has a vac line to the plenum. There is a Boost Sensor for the Stock Boost Gauge near the shock tower behind the fuse box.
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Location:
UK
Registered:
May 2002
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Re: 1JZ-GTE boost sensor?
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Sun, 06 July 2003 12:02
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you mean this one is seperate from the MAP sensor?
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Location:
Gold Coast
Registered:
June 2002
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Re: 1JZ-GTE boost sensor?
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Mon, 07 July 2003 09:01
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do any of u guys have a picture that u could upload showing where this stuff is in the engine bay or what it looks like.... preferably what it looks like cause i have things in different places cause of the conversion
Thanks
Pete
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Location:
Gold Coast
Registered:
May 2002
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Re: 1JZ-GTE boost sensor?
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Mon, 07 July 2003 10:21
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Here you go.
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Location:
Gold Coast
Registered:
June 2002
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Re: 1JZ-GTE boost sensor?
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Mon, 07 July 2003 10:27
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muchly appreciated
Pete
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Location:
UK
Registered:
May 2002
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Re: 1JZ-GTE boost sensor?
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Mon, 07 July 2003 13:52
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wastegate, i think you need a new strut bar 
I always wondered what that sensor was for.. cheers for the info..
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