S2000 Under The Hood S2000 Technical and Mechanical discussions.

AP1 Won't Start

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Old May 15, 2015 | 09:04 AM
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Default AP1 Won't Start

Last night I went to turn my car on. It started, but sputtered for a good 5-10 seconds before shutting off. It cranks over but won't start. Any help would be appreciated.
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Old May 15, 2015 | 09:56 AM
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Do you have gas? Maybe fuel pump fuse blew? Start with the basics
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Old May 15, 2015 | 01:07 PM
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Any similarities to my current issue?

https://www.youtube.com/watch?v=g9W0...ature=youtu.be
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Old May 15, 2015 | 02:00 PM
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Originally Posted by Backmarker
Any similarities to my current issue?

https://www.youtube.com/watch?v=g9W0...ature=youtu.be
It won't start at all. I just towed it to a friends shop to get looked at
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Old May 15, 2015 | 02:03 PM
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Originally Posted by Alen1293
Originally Posted by Backmarker' timestamp='1431724043' post='23614424
Any similarities to my current issue?

https://www.youtube.com/watch?v=g9W0...ature=youtu.be
It won't start at all. I just towed it to a friends shop to get looked at
Ohhohoho... okay, nevermind then.

I too would start with basics and check the fuse for the fuel pump and such.
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Old May 15, 2015 | 06:54 PM
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Basics means cars need 4 things to start. Compression, fuel pressure, spark, and fuel delivery. If the car cranks over, your battery works, which is good. Next step would be to do a leak down test, make sure you have compression, if that checks out, you have to measure fuel pressure, does the fuel pump cut on when you turn the key to the on position?

If your fuel pressure checks out, and your compression checks out, then it's either ignition related, or a sensor is not working properly. The sensors needed to crank the car over are the TPS, crank angle sensor, MAP, and cam angle sensor. A clogged EGR can stop a car from starting but that's not common on these cars. Ignition wise the coils are pretty reliable, but I would still check the plugs, check their condition, that will tell you a lot.

If all else fails your computer may need to be replaced.

Any codes, check engine lights, engine warning lights?
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Old May 15, 2015 | 08:33 PM
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Any chance water got into the fuel?
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Old May 16, 2015 | 06:21 AM
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Only a major failure will cause the car to suddenly not start. Sounds like fuel to me.

You should be able to hear the fuel pump when you switch the ignition switch On. It will pressurize and then stop. First thing to check.

-- Chuck
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Old May 16, 2015 | 12:20 PM
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I had a similar problem where my car would just crank and crank but not turn on. Ended up being the battery. Replaced it and started right up.
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Old May 16, 2015 | 02:39 PM
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The timing jumped by two teeth. The timing chain is starting to stretch so I guess that's next on my list. At least it runs for now
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