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post #1 of 3 (permalink) Old 06-29-2013, 12:11 PM Thread Starter
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Default Check Engine light, car will not start

I went to start my 2004 Prius, all the dash lights came on looking almost normal, then they all went out except the "Check" engine light. Most posts that I've read the car keeps running. I tightened the gas cap. Has anyone experience this condition?
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post #2 of 3 (permalink) Old 06-29-2013, 04:38 PM
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How old is your 12v battery? Low voltage on the 12v bus will cause that symptom.
Your post is a little unclear. Did the car actually go into READY, or did it not start?
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post #3 of 3 (permalink) Old 06-30-2013, 06:32 PM
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See link below for 12-volt battery testing procedure:

http://www.elearnaid.com/prhadonotstr.html

If you need a new battery, I have purchased two from Bernie Littman at www.elearnaid.com, and have been very satisfied with the replacement batteries, fast FREE shipping, and competitive prices.

Optima replacement for 2004 and newer Prius's: http://www.elearnaid.com/opdsopbadifi.html

Note: I have no affiliation with eLearnaid other than being a satisfied customer.

Last edited by Phoenix; 06-30-2013 at 06:35 PM.
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