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Does not always Crank at first try

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Old 05-26-19, 10:27 AM
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KassuX97
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Default Does not always Crank at first try

Hi i have 2000 celsior with keyless system. Problem is that it does not always Crank at first try while sitting a while (like night or Day at work). Just Click Click from starter. 1 Time it did not Start at all but i did give a jumpstart did Start right away. If i Start The car, shut off and Start again it always cranks first time so i do not think starter is bad.. battery is new but not sure if it is too small (62ah). My toughts about symptoms are too small battery, battery drain somewhere (like my 2din android radio), or crank position sensor or something like that.. anyone had this?
Old 05-26-19, 10:53 AM
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KassuX97
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Originally Posted by LexRex
Did this behavior start before or after the new battery?
Old battery did die on cold winter and have Been using this battery for half a year good until now couple of months
Old 05-26-19, 11:35 AM
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KassuX97
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Originally Posted by LexRex
When it does start, is it slow to turn over? It does sound battery related. I'm not familiar with Amp Hour ratings for car batteries, but based on a quick internet search, yours doesn't sound that small. How many CCA?

You might quickly check that there is no corrosion between the terminals and the cables, as this can reduce the flow of current to the car from the battery.
I think it is 700cca. 70ah is recommended for LS. There is very little white corrosion on cables I was planning to clean and oil them tomorrow but do not think it is problem.
Old 05-26-19, 04:04 PM
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rkw77080
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Originally Posted by KassuX97
Hi i have 2000 celsior with keyless system. Problem is that it does not always Crank at first try while sitting a while (like night or Day at work). Just Click Click from starter. 1 Time it did not Start at all but i did give a jumpstart did Start right away. If i Start The car, shut off and Start again it always cranks first time so i do not think starter is bad.. battery is new but not sure if it is too small (62ah). My toughts about symptoms are too small battery, battery drain somewhere (like my 2din android radio), or crank position sensor or something like that.. anyone had this?
Please take a look at Post #16 of the link below...
https://www.clublexus.com/forums/ls-...starter-2.html
Old 05-26-19, 05:29 PM
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Sounds like the problem is the starter. I think @rkw77080 nailed it.

Having said that, I think the easiest step first is to test the battery, and eliminate it as problem. I understand the battery is new, but even new battery can be bad. Is there any auto part stores over there that will test the battery for free like here in the US? Then I would also clean the corrosion and check the cables to make sure everything is good and tight. The starter in this car is buried under a lot of things, so you want to eliminate the easy stuffs first as a potential problem before start digging into the starter. Good luck!
Old 05-26-19, 09:25 PM
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KassuX97
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I Will test battery today and i buy new terminals today because + terminal is loose does not tight good. I do not think (or hope) it is not starter. I did change knock sensors last year I had car charging over night, did start good this morning. It always works good couple of weeks after charging. My main suspect is that Chinese head unit eating voltage from battery.
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