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Car doesnt start

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25 October 2006
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Hello,

I use the search function and I found the Main Relay problem, but my Main relay is good.

What appen :
I drive my car in mountain, and the engine shut down.
When I turn the Ignition, I didn't hear the fuel pump.
Do I check the 15A fuse and all others fuses.
I connect the AEM EMS to my laptop and the ECU is not power on.
I check the main relay with a multimeter, (check relay,diode,resistor) and all is OK.
I remove the connector A, and I heard my solenoid, I connect the laptop to the AEM EMS and now I can see the sensor.
I plug the connector A, and can't hear the solenoid and the laptop can't connect to the AEM EMS.
I remove the connector A, and I heard my solenoid, I connect the laptop to the AEM EMS and I can see the sensor.

Strange :confused:

I disconnect the Main Relay, pump relay, I check all relay with the multimeter, and all relay are fine.

I reconnect the connector A, and now I can hear the solenoid and the laptop can connect to the AEM EMS, and the engine start.

I don't know what happen, is the NSX have a protection for fuel cut ?
 
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Joined
26 September 2005
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1,461
Location
MD
Sounds like DMU needs reseating or is loose possibly on its way out. Do you have an aftermarket alarm?
 
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Hmm remove the engine ground and clean the area it sits on.

Good luck
 
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