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03-11-2019, 06:58 PM | #1 |
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Occasional long crank
O.P.
Hi guys Ive got a small issue that is frustrating me on my 2012 Toyota GT 86 Manual Transmission. When I start the car, if I do not turn the key to on and wait to hear the fuel pump prime, the car will take 3-5 seconds of cranking before turning over. If I turn the key to on and wait to hear the fuel pump prime before cranking, 90% of the time it turns over fine in like half a second of cranking but even with priming the fuel pump sometimes I get the occasional long crank (although not as long) of about 2 seconds. Ive checked the batteries / air filter as those are the most accessible parts. Im thinking it has something to do with fuel pressure / fuel filter maybe ? However, I do not have any other issues with the car (stalling / rough idling / low acceleration) that usually comes with a clogged filter / low fuel pressure. Once it starts it runs perfectly fine and I have even run an OBD diagnostic scanner and nothing shows up. Sensors etc. all working fine with PASS on various tests. No CEL/MIL litted on dash Before I go spending money on getting parts replaced Id like to try and narrow down the problem area though. Any thoughts ? |
03-11-2019, 07:45 PM | #2 |
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considering year of vehicle it could be related to this TSB from 2013
https://subaru.oemdtc.com/TSB/11-130-13R.pdf |
03-11-2019, 07:57 PM | #3 | |
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Question: How old is your battery? If you make a lot of short trips, your battery may not be fully charged. My 2013 was getting slow to start till I put a charge on the battery, now it spins right up. You may wish to check your battery to make sure it's carrying a full charge. humfrz |
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The Following User Says Thank You to humfrz For This Useful Post: | why? (03-12-2019) |
03-11-2019, 07:59 PM | #4 | |
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Tests shows up fine and I saw the voltmeter show a 12.6v reading as he was doing the testing |
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The Following User Says Thank You to jaseow For This Useful Post: | humfrz (03-11-2019) |
03-11-2019, 08:01 PM | #5 | |
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03-11-2019, 08:02 PM | #6 |
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It's very common for cars to need the fuel pump to prime before starting, I don't think you're experiencing anything out of the ordinary.
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03-11-2019, 08:14 PM | #7 | |
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Its not a huge inconvenience or anything but it just annoys me as it makes me feel like the car working perfect. |
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03-11-2019, 09:26 PM | #8 | |
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I reckon as long as it starts, you really shouldn't be annoyed. Being annoyed was when the engine kicked the crank back and knocked you off your feet. I learned the hard way, that once you set the crank and jump up and then down on it - JUMP BACK! - humfrz |
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The Following User Says Thank You to humfrz For This Useful Post: | why? (03-12-2019) |
03-11-2019, 09:36 PM | #9 |
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Sometimes she is ready to go with a short crank, sometimes a long crank. Wait, are we talking women or cars?
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03-11-2019, 10:52 PM | #10 |
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Sounds to me like a dying battery.
Mine was taking longer to start every week, eventually I had to jumpstart every other week till I just bought a new one. But that was just my case.
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03-11-2019, 10:59 PM | #11 |
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Batteries need to be checked under load. It shouldn't drop below 10v under load for 30 sec and should return to about the same voltage. Ideally you use a load tester but you can have someone crank the car while it is being checked with a volt meter in a pinch.
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The Following User Says Thank You to NoHaveMSG For This Useful Post: | humfrz (03-12-2019) |
03-12-2019, 12:49 AM | #12 |
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03-12-2019, 07:14 AM | #13 |
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The Following 2 Users Say Thank You to why? For This Useful Post: | humfrz (03-12-2019), Ultramaroon (03-12-2019) |
03-12-2019, 02:53 PM | #14 | |
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Yes every morning my car will start like you describe, it's been that way the whole time I've owned it, 6 years 77k miles. The Nissan pickup truck I had before operated exactly the same, the family Honda does the same as well. |
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The Following User Says Thank You to strat61caster For This Useful Post: | Tcoat (03-12-2019) |
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