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Scion xA/xB 1st-Gen Drivetrain & Power Engine and transmission discussions...

Any ideas?

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Old 10-08-2009, 11:35 PM
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My Xb is doing a weird thing at start it drops from like 13v to 8 v at start up only and is barely starting. Before I go out in the garage any ideas what might be causing the drop and hard starting?
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Old 10-09-2009, 01:24 AM
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test the battery and alternator. its gotta be one or the other. a bad batt. can make your car do weird stuff!
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Old 10-09-2009, 02:24 AM
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weird thing it takes a charge according to SG it only drops when I start it...1 yr old battery grrrrrr
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Old 10-09-2009, 03:12 AM
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It's gotta be the battery or alternator.
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Old 10-09-2009, 04:14 AM
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voltage regulator gone bad???
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Old 10-09-2009, 03:41 PM
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...Possibly a crappy connection to the battery.
I have seen the crappy stock terminals not carry a good charge several times.
Pull them, scrub them a little with some steel wool or a wire brush, being sure to get the inside contact edge nice, clean, and smooth, then reinstall and see what happens.
I would recommend that you replace the terminals with something a bit better quality, but that choice is up to you.
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Old 10-09-2009, 04:33 PM
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I was thinking the connection too maybe due to it charging well.... I am gonna clean them tonight and pray I they get me through until Sunday and yeah I should have changed them long ago grrrrrrrrrrrrrr
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