S2000 Under The Hood S2000 Technical and Mechanical discussions.

Starting Problems

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Old 06-21-2004, 12:22 PM
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Default Starting Problems

OK looking for some suggestions on what problem may be. Got in the car this morning and it took about 3 seconds to turn over, I thought nothing of it the first time, but its been happening every time I have started the car since. Here is what has happened with my car in the last few days, uninstalled my vafc w/harness and put it back on (same settings done on dyno) , put gas in it two days ago, im wondering if I have a battery or alternator problem. Once the car is started it runs fine. Ideas? Thanks in advance

Jeremiah
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Old 06-21-2004, 03:22 PM
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Ok part two, the battery and alternator are fine , just had them checked at auto zone, so I bought some gas treatment (water remover) and fuel cleaner (5 bucks total) figured it was worth a shot. If anyone has ideas let me know thanks
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Old 06-21-2004, 03:42 PM
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Does it spin at a normal speed, then not start, Or spin slowly?
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Old 06-21-2004, 03:52 PM
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Its intermittent, it will catch and then die sometimes but others it will start up with only minimal (extra button holding)
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Old 06-21-2004, 04:00 PM
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Is the VAFC installed with a PnP harness? Or did you unplug the PCM? If so you need to re-do the Idle learn procedure. Start the car and let it run at idle with no additional loads. Untill the cooling fans cyle.
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Old 06-21-2004, 04:02 PM
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Yes I have a harness, ok I will do that in the morning, motor is still hot right now
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Old 06-21-2004, 04:03 PM
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Thanks for the help
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Old 06-22-2004, 03:59 AM
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got in the car this morning and it started right up, I will wait until I try again before locking the thread, thanks for the help Chris
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Old 06-22-2004, 10:17 AM
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Ok while going to lunch it did its intermittent thing, Stuff I have checked so far, battery (good) , alternator (good), I have even added fuel water remover and cleaner and dont think that has done crap either, anyone think it could be a sparkplug or injector problem. I am going to take the VAFC completely out and plug the ecu in and see what happens also. Thanks for all suggestions (BTW No CEL)
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Old 06-22-2004, 01:55 PM
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After pulling the VAFC and starting it , it did the same thing. So I start looking under the hood and found the problem this thing (in picture below) was loose, so I tightened it and it started right up



Thanks for the help everyone (will leave thread open until someone identifies that connection)
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