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Engine Tech Technical discussion related to all relevant engines such as KA, SR, RB, CA, 2JZ , L24/26/28, VG, VQ, and LSx series.


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Old 05-01-2020, 10:51 AM   #1
Turbosauce74
 
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SR20 no rpm signal

SR20 with megasquirt ecu, has power, turns over, and connects to the laptop. When starting the fuel pump primes for a few seconds, then turn key to start the engine turns over but fuel pump doesn't turn on and theres no spark or injection. Also no rpm on lap top. If I pull the CAS out and spin it with a drill I get rpm signal, spark, and injection.
Starter is pretty fresh, tried two different CAS's with same result.

Only thing i can think of is maybe the CAS needs to be setup different in the ecu to read lower rpms.

Any ideas appreciated. Thanks.
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