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Randomly will not start...

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Old 09-20-2018, 11:14 AM
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Skydiver109
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Default Randomly will not start...

Hi everyone!
Was wondering if anyone has had issues (or heard of any) with a 350Z randomly not starting? When I say not starting, I mean the key initiatives the starter but it just will not start for 5-20 attempts, then it will start. May be normal for a week, then not start again. This is my wife’s car and is a safety issue, the dealer could not find the problem as it is too hard for them to duplicate the issue. Thanks in advance for your input!
Old 09-20-2018, 11:32 AM
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travlee
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camshaft sensors is my guess
Old 09-20-2018, 11:43 AM
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Skydiver109
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Originally Posted by travlee
camshaft sensors is my guess
Sorry, I forgot to mention the dealer changed the camshaft sensors....
Old 09-20-2018, 11:52 AM
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travlee
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crankshaft sensor as well? can you hear the fuel pump when you turn the key on, before cranking?
Old 09-20-2018, 11:53 AM
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Skydiver109
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Originally Posted by travlee
crankshaft sensor as well? can you hear the fuel pump when you turn the key on, before cranking?
I will check that when my wife returns with the car, thanks for the input!
Old 09-20-2018, 01:20 PM
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SpartaEvolution
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The dealer probably would have found this, but if the battery is over 4 or 5 years old it's probably worth checking battery voltage with the engine is off, when it's cranking, and when it's on. It should read ~12.6v in the first two scenarios, and 13.7v+ with the car running.
Old 09-20-2018, 02:26 PM
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Skydiver109
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Originally Posted by SpartaEvolution
The dealer probably would have found this, but if the battery is over 4 or 5 years old it's probably worth checking battery voltage with the engine is off, when it's cranking, and when it's on. It should read ~12.6v in the first two scenarios, and 13.7v+ with the car running.
Yeah, just replaced the battery as well, did not fix it...
Old 09-20-2018, 06:34 PM
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dboyzalter
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How many miles? The fuel pump might be on its way out, they will intermittently work or not at the end.
Old 09-20-2018, 08:36 PM
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Skydiver109
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Originally Posted by dboyzalter
How many miles? The fuel pump might be on its way out, they will intermittently work or not at the end.
Hey thanks, it’s a 2004 350Z Converterable 63k miles.
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