S2000 Under The Hood S2000 Technical and Mechanical discussions.

AP1 starting and idling problem

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Old Oct 25, 2016 | 10:39 AM
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Default AP1 starting and idling problem

hi, all. I just got my Ap1, it's very nice taken care from previous owner. It's a 2001 and only has 35k miles when i bought it.

Recently, the car died on my way home after getting gas from BP. I tried to restart immediately, it cranked but did not start. I tried a few times, but no luck. But after 2 to 3 mins, i was able to restart. Started fine and idle fine. I drove home, but again, it died before i got to my driveway.

Occasion 2: I started the engine from cold and let it idle, idle seems fine, but after 2 mins, it choked and died.
Occasion 3: I started the engine from cold, and start driving, within 1 mile, it died.

I have a video of it running and died, i will post a link when i can. But right now, i am collecting some ideas on what to do as my next step. Some of the items are: Main relay, fuel filter, fuel pump, etc. because everything when i start it from cold, it did not hesitate to start, so i don't think it's coil or plug, or battery.

So let me know what you think, any comment is appreciated.

Thanks
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Old Oct 26, 2016 | 05:44 PM
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No thought? Help me plz.
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Old Oct 26, 2016 | 06:06 PM
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Maybe try draining the fuel and refill with good known fuel, you may have bad gas. No pun intended.

Good luck.
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Old Oct 27, 2016 | 04:30 AM
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No CEL? Could be a clogged IACV.
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Old Oct 27, 2016 | 06:36 PM
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Update: I was able to start the engine while it was cold in the past few tries. However, i couldn't start just now. It cranked fine, but not able to start. i was trying to see if there is any vacuum leak. But now, vacuum leak seems not very likely.

Is there any easy way to drain the fuel?

thanks
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Old Oct 27, 2016 | 11:35 PM
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No flashing CEL or pending codes? Do you have a code reader?
Bad gas is like the universal catch-all, and I've never actually seen it happen as much as people suggest it as a fix.
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Old Oct 28, 2016 | 05:50 AM
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no CEL and flashing CEL. Spark plug looks fine.
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