rpholz Posted April 27, 2014 Share Posted April 27, 2014 (edited) So my boss aquired a 83 brat. Won't start and run, it will rev up as soon as you touch the key but die immediately. I've confirmed fuel pressure, spark, timing and firing order I'm kinda leaning towards the MAF. Is there a way to test it and would the NA MAF be close to the turbo MAF? Thanks Edited April 27, 2014 by rpholz Quote Link to comment Share on other sites More sharing options...
xnlife Posted April 27, 2014 Share Posted April 27, 2014 Is the fuel pump getting to carb if not could be the relay Quote Link to comment Share on other sites More sharing options...
naru Posted April 27, 2014 Share Posted April 27, 2014 That sounds like lack of a tach signal to the ECU. I would hot wire the fuel pump and try again. No such thing as a NA MAF, Test yours by moving the flap and monitoring the voltage variation Quote Link to comment Share on other sites More sharing options...
rpholz Posted April 28, 2014 Author Share Posted April 28, 2014 It's fuel injection, Tach works, altho I do not know if the signal reaches the ecu. Fuel pump does run. And my n/a vs turbo MAF question comes from the ea82 flapper mafs where it took me forever to find a proper non turbo MAF and yes, there was a difference Quote Link to comment Share on other sites More sharing options...
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