Join Date: Jun 2010
Location: Connecticut USA
Re: Odd Problem - Dying Out after 15 minutes
You need Air, Fuel and Spark, and you seem to have those in the right combination. If your vehicle is standard electrical system once started you can disconnect the battery and have it run just fine off the Alternator.
If the battery is weak pull it, charge it to full then put it back in and see if in a few days of non use if it has lost charge. If so you may have an aftermarket radio or alarm system draining power, or an FOE device such as glove box or trunk light that is on all the time most likely draining juice.
If you have no loss, then run it and see if the Alternator is charging it. If that works out to debug the real issue I would run it in the driveway at various rpms for an extended period of time and see if she stall out on you. Without moving you can duplicate fuel delivery scenarios, but you might find a church parking lot to see if power loads are also involved.
I would also take a moment to check all my engine ignition system wiring for cracks, splices and loose connections, also check your coil, as it maybe responsible or your points set is bad.
1969 Z11 Pace Car - L48 350cid/300hp - 4 Speed Muncie 12 bolt rear.
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Last edited by 69-Pace; Oct 5th, 12 at 06:54 PM.