V8 Rx7 no start issue

Old 07-24-14, 04:00 PM
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V8 Rx7 no start issue

Sigh I've been trying to trouble shoot this issue for awhile now.

2001 LS1 on FD

Car had some issue with hot start. It would crank over slowly.

This past weekend I drove the car to get some gas. Once I finished filling up I couldn't start the car anymore. It would crank like half a second before it cuts out.

I replaced new 800cca sealed battery, a brand new starter. Checked grounds still nothing.

Here is a video after i unplug the negative and let the car sit for over night. It would crank strong and start once I give it some gas. Sorry video cut out earlier before the engine started running. But it ran fine and drove around good.


After I warm up the car and take a 3-4 min drive. That's when the car will crank once and cuts out


Car has been great for the last year being a daily driver and this recently just came up.
I had an alternator that went out 1 month ago. But I replaced it with a yukon 145amp one.

Any help is appreciated

Things's i tried checked:
New battery
New starter
Battery terminal is clean
Battery is 12.6v
i get signal
all grounds are clean secure

new starter..still exhibit same issue
two new knurled starter bolt

rx7 clutch bypass done
rx7 starter relay (click click) bypassed

i wired the signal wire directly from the starter relay to the starter with a 10gauge and now it seems like the starter barely able to turn the car.

here is the updated video

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Old 07-24-14, 07:52 PM
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Try doing a resistance check between the battery and starter, both positive and negative, both should be very low like 1ohm.
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