2nd Generation Specific 1986-1992 Discussion

grounding the afm signal need info

Old May 9, 2006 | 12:33 PM
  #1  
chrisw80's Avatar
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Joined: Sep 2003
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From: seattle,wa
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Hi



I have an 87 t2 and I have great compression on both rotors. I did the fuel pump rewire and im geting spark. And i cant get the car to start unless i keep my foot on the gass pedal and even than it will not stay running for more than a few seconds and than it floods out. And i have eliminated the vaccum rack so its not a vaccume leak Im 99.9% sure. However i was going over the wiring diagram and i found the pin at the ecu where the afm (air flow meter) puts its signal in and i grounded it and the car will start run and idle just fine but it will not rev over 4k rpms so the 2enday injectors are not coming on. and if i shut the car off cold it floods out. what do you guys think
Old May 9, 2006 | 04:43 PM
  #2  
j9fd3s's Avatar
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From: California
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well the vacuum rack eliminates the least likely spots for vacuum leaks. most likely is the duct or hose between the afm and the turbo, it likes to split at the turbo on the bottom where its hard to see. then the intake gasket between the engine and lower intake blows too, then the injector seals can leak too, blah blah.



what else have you checked? did the car stop running? or did you buy it non running?
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