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Won't crank 1 out of 100 times.

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Old 08-12-2007, 06:53 PM
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Question Won't crank 1 out of 100 times.

I have a 1981 280zx and recently it will not crank probably once every 3 months. A friend told me it may be a dead spot on the starter and if you rock the car in gear it will typically work. Well he was right, it does crank after moving the car slightly. Is it a started problem or something else?

Thanks, MaxTorque
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Old 08-12-2007, 06:58 PM
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wont crank?

or wont start but still makes starter motor noise?


cuase your flywheel is missing a tooth! (probably 2)
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Old 08-12-2007, 07:03 PM
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Question Won't Crank

Nothing from the starter, just does not turn over. Once I rock the car the starter turns over and the car starts fine. No problem again for another 2 - 3 months.
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Old 08-12-2007, 07:08 PM
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Bent starter Pinion, your car gets lonely and just wants to be held and rocked for a bit, Loose wire on starter motor, If its an automatic perhaps your Neutral/park sensor isn't working.

anyone else have any ideas?
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Old 08-12-2007, 07:28 PM
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crank sensor?
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Old 08-13-2007, 07:09 AM
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Originally Posted by maxtorque
Nothing from the starter, just does not turn over.
"Nothing" meaning the starter is silent? If the starter is the prob, replace it. Or when it happens, tap on the starter & go.


Originally Posted by flightforlife07
crank sensor?

Crank sensor is only on the turbo model (which he didn't specify which he has).
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Old 09-09-2009, 08:13 PM
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um my car has almost this same problem. except its every day now. its random on how many times i have to turn the key to start it. got a new starter and seemed to help some but now it just turns on in a fewer amount of key turns.
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Old 09-09-2009, 08:26 PM
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w00t! Two year old thread!
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Old 09-09-2009, 08:36 PM
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ya well my car just started this problem and i found this one so i figured instead of starting a new one i'll go off this one.

in this case where is the actual inhibitor at im looking through the wire diagram and im finding the relay but not the actual inhibitor.
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Old 09-11-2009, 10:41 PM
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Mine has done a similar thing. I know of 3 vehicles in my life that have done the same thing. First was an 87 s10 Blazer, that eventually was sold because of the problem. When it happened it stopped working entirely and no amount of try would get it to work. My mothers Olds Intrigue was intermittently doing the same thing. She "fixes" the problem by hitting the battery terminals with a wrench thinking its a loose connection. Replaced the battery and the problem seemed to improve.

My z does the same thing (to be honest i've only started it 4-5 times), but it never takes more than a couple tries to get it to start once it happens. My car clicks from the relay but won't turn over, not sure if this is similar to what your car is doing but I would first look at a loose connection, maybe the terminal. Let me know if you get it figured out.
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Old 09-12-2009, 03:05 AM
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Originally Posted by scorpionp54
um my car has almost this same problem. except its every day now. its random on how many times i have to turn the key to start it. got a new starter and seemed to help some but now it just turns on in a fewer amount of key turns.
if its a new starter, check your connections
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Old 09-12-2009, 06:17 AM
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My starter was doing the same thing. I waited awhile before I replaced it and I think I wore down the flywheel.... So it makes that none catching sound every 1-25ish cranks.

Moral of story = replace before you wear it dizown!
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Old 09-12-2009, 11:49 AM
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The starter on the Z car is the easiest I've ever changed...takes less than 20 min.
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Old 09-12-2009, 12:42 PM
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ya it literally takes less than 5min to change it for me, 2 bolts and a few wires
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Old 09-12-2009, 04:15 PM
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ya only took me 2 months
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Old 09-12-2009, 04:51 PM
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anyone else's starter REALLY fkin loud? kind of embarrassing, but i guess so is driving a 2+2 sports car
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Old 09-12-2009, 06:42 PM
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Originally Posted by 280zx2by2
kind of embarrassing, but i guess so is driving a 2+2 sports car
Blah blah blah... I take it you haven't realized (nor many others) that most Porsches are 2+2 ? I don't think it's embarrassing to drive a Porsche.
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Old 09-16-2009, 06:52 PM
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so i figured it out, there is something bad in the ignition switch. rewired the starter with a toggle switch and now she starts up first time every time.
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