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My Z died while I was driving and now won't turn on.

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Old 11-29-2010 | 04:02 PM
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Originally Posted by midtx350z
Mine doesn't do anything at all.
Ok, I'm thinking ECM problems. You mentioned an (aftermarket) alarm system. Maybe it's possible that the alarm has cut power to the ECM? It appears (2004 FSM) that the ECM needs to provide power to a relay (between the key swithch and the solenoid) that enables the starter motor solenoid/cranking. The ECM also appears to run the fuel pump.
Old 11-29-2010 | 04:21 PM
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Originally Posted by Patrick250
Ok, I'm thinking ECM problems. You mentioned an (aftermarket) alarm system. Maybe it's possible that the alarm has cut power to the ECM? It appears (2004 FSM) that the ECM needs to provide power to a relay (between the key swithch and the solenoid) that enables the starter motor solenoid/cranking. The ECM also appears to run the fuel pump.


The mechanic didn't show up today.
Old 11-29-2010 | 04:34 PM
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check your ignition switch. happened to me before on my honda prelude. I was driving and the car just died. I had a bad ignition switch..
Old 11-29-2010 | 04:52 PM
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Originally Posted by midtx350z


The mechanic didn't show up today.
Bummer. The ignition switch is a definite possibility as well. Ignition switch > ecu/start relay/starter solenoid/fuel pump.
Old 11-29-2010 | 05:25 PM
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Originally Posted by Patrick250
Bummer. The ignition switch is a definite possibility as well. Ignition switch > ecu/start relay/starter solenoid/fuel pump.
THANK YOU.

I'll go in that order.
Old 11-29-2010 | 05:28 PM
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Originally Posted by laser-g
check your ignition switch. happened to me before on my honda prelude. I was driving and the car just died. I had a bad ignition switch..
http://www.drivewire.com/vehicle/nis...W4b7a599a692e4

Is this it?
Old 11-29-2010 | 05:53 PM
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Originally Posted by midtx350z
cant say for sure..go to the dealer and get the part # and a print out of the part so you know for sure..
Old 11-29-2010 | 05:53 PM
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so are you positive your ecu is getting power?
Old 11-29-2010 | 05:54 PM
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10-4
Old 11-29-2010 | 06:22 PM
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Someone else told me that it's possible that it's the pump, could have pumped bad gas?
Old 11-29-2010 | 06:40 PM
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This may sound like a dumb question. But are you sure you have gas?
Old 11-29-2010 | 06:41 PM
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Dude, it's not your starter and it's not your fuel pump, trust me. If it was your starter your car wouldn't of shut off in the middle of driving. If it was your fuel pump your car would crank when you turn the key, just not start; because the pump wouldnt be feeding fuel to the injectors. First thing I would do is GET SOMEONE TO READ THE CODES (DTC''s) when cars die like that they can throw a code to the computer if say a sensor shi*s out. You wouldn't know if it has a code cause the CEL stays on when the car is started; but the car won't start. Check for any codes, that may help send you in the right direction, then come back. But like I said from my experience, it doesn't sound like a fuel pump or a starter. Ignition switch is still possible too.
Old 11-29-2010 | 06:45 PM
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Originally Posted by skakemokid
This may sound like a dumb question. But are you sure you have gas?

I think so...

Originally Posted by AJCaron12
Dude, it's not your starter and it's not your fuel pump, trust me. If it was your starter your car wouldn't of shut off in the middle of driving. If it was your fuel pump your car would crank when you turn the key, just not start; because the pump wouldnt be feeding fuel to the injectors. First thing I would do is GET SOMEONE TO READ THE CODES (DTC''s) when cars die like that they can throw a code to the computer if say a sensor shi*s out. You wouldn't know if it has a code cause the CEL stays on when the car is started; but the car won't start. Check for any codes, that may help send you in the right direction, then come back. But like I said from my experience, it doesn't sound like a fuel pump or a starter. Ignition switch is still possible too.
Ok thanks
Old 11-29-2010 | 07:40 PM
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lol.. just wondering..

But dude yelling up there has a point. It really points to a key or ecu issue.
Old 11-29-2010 | 09:55 PM
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Originally Posted by skakemokid
lol.. just wondering..

But dude yelling up there has a point. It really points to a key or ecu issue.
I'm gonna stab myself in the throat if it's my key.
Old 11-30-2010 | 12:00 AM
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Originally Posted by midtx350z
I'm gonna stab myself in the throat if it's my key.
haha i'm sure it's not the key. probably the ecu. like what happened with a friend of mine, he had a grounding problem with his ecu and it shutdown while driving.
Old 11-30-2010 | 09:35 AM
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I have never seen a key all of a sudden "unlearn" itself. But when you try to use a key thats not programmed you will usually get an "invalid key" DTC. But I don't think it's your key.
Old 11-30-2010 | 09:51 AM
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In for the fix
Old 11-30-2010 | 10:02 AM
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Originally Posted by midtx350z
I also have an aftermarket alarm system that came preinstalled.
I think this is the issue..
Old 11-30-2010 | 10:23 AM
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Ecu might me fcuked up, if so that is an expensive fix


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