AEM EMS no engine speed reading
I'm not getting an engine speed reading from my ems while cranking, I have changed my CAS and PTU. My fuel pump solenoid and fuel pump resistor is not hooked up (I don't think it would make a difference) on the ems CRANK TOOTH period is remaining unchanged at 130560 and TP2PER seems to change while cranking. I have triple checked my wiring to the ecu harness at the EMS. What should I check?
any help would be appreciated
note: I put the ems in a 1G stealth I have and it fired right up and had an engine speed reading so that eliminates a bad unit
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Last edited by rlataille : 09-24-2009 at 10:50 AM.
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