2nd Generation Specific 1986-1992 Discussion

boost sensor problem

Old 01-14-2007, 03:03 PM
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I have a 88na with a 87tII motor and when i put the code reader on it its giving me a code for bad pressure sensor. I replaced the pressure sensor with another that was guarenteed to be tested and working and its still giving me the same code. it has a 318 sensor, is this the proper sensor for the 87 tII motor.
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Old 01-14-2007, 04:57 PM
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Originally Posted by evilgixxer' post='853195' date='Jan 14 2007, 03:03 PM

I have a 88na with a 87tII motor and when i put the code reader on it its giving me a code for bad pressure sensor. I replaced the pressure sensor with another that was guarenteed to be tested and working and its still giving me the same code. it has a 318 sensor, is this the proper sensor for the 87 tII motor.


I have had a thread going about Boost Sensors recently and I asked about the N318. from what jdm12a says, it is for a JSpec A/T ECU. I think what you need is the N332. What ECU do you have? Is your car a MT or AT?
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Old 01-14-2007, 09:15 PM
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I have an 87 T2 that is mostly stock and I have the N318 boost sensor. Check and make sure the wiring is all connected and intact. I had a problem with the ground wire pushing out of the connector, thus making my boost guage spike. Possibly your signal or power wire has done this.
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Old 01-14-2007, 09:35 PM
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my 88 tII has the N318 boost sensor too
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Old 01-14-2007, 10:34 PM
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Originally Posted by jwteknix' post='853260' date='Jan 14 2007, 09:35 PM

my 88 tII has the N318 boost sensor too


Well, I could be wrong :-P I am waiting on my N370 and FCD for my S5 T2 to get here that I ordered from woundup7 in Seattle. It was just a related topic that was discussed in my post about the boost sensors I had going there for a little bit. I am not running the S4 so I dont know that much about them other than there are subtle differences between the two to make a difference. But, you came to the right place asking about boost senors thats for sure
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Old 01-14-2007, 11:11 PM
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Ill be sure to go over the wires again. thanks alot for the suggestions
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Old 01-15-2007, 12:57 PM
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86-88 non turbo, is n327-18-211

86-88 turbo is n318-18-211



89-91 non turbo n350-18-211

89-91 turbo n370-18-211
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