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03-25-2019, 01:50 PM | #1 |
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Update on the broken brz... fuel problem
Hey guys i posted about my 2014 supercharged brz couple days ago, as you guys suggested i took the car into a shop. After their initial diagnose they claimed they found incorrect fuel pressure which will explain the code P0087 and p0171 about the engine running lean. I cant remember the number they provided from the test but i know from hearing the number the fuel pressure is extremely low? They suggested for a new fuel pump and new fuel filter, they said it doesn’t gurantee to fix the long crank start and drivability problems but they need to get the fuel pressure to correct reading first to start fixing the car, does that sound correct, this is my first time at the shop would they be trying to ripping me off by telling me to buy a new fuel pump? And if i do indeed need to get the fuel pump, which one should i get ? I did research on the DW and aeromotive fuel pump, my car ran 300 whp at the dyno according to the previous owner, what’s the best fitting fuel pump for that range of hp? Any help is greatly appreciated, i just want to get my car running right.
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03-25-2019, 02:18 PM | #2 | |
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So, replacing the fuel pump and filter seems like a good place to start. humfrz |
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The Following User Says Thank You to humfrz For This Useful Post: | brzcui (03-25-2019) |
03-25-2019, 02:20 PM | #3 | |
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The Following User Says Thank You to Tcoat For This Useful Post: | brzcui (03-25-2019) |
03-25-2019, 02:20 PM | #4 |
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Any suggestions on the new fuel pump brand ?
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03-25-2019, 02:25 PM | #5 |
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Is there anything that could cause the fuel pump to fail? I dont think the shop even bothered to check for intake leak or anything like that, they where saying the problem is the engine is getting too much air and the computer is saying oh im lean im lean and then they said the fuel pressure number at that moment is significantly lower than the computer is asking for so that’s why it stalls. And tcoat I remember you saying the exposed wire problems, the car stalled when its completely dry after when they checked on sunday so i think it’s something else
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03-25-2019, 02:27 PM | #6 |
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Stock.
You may be headed down a long road of throwing parts at it hoping they work so may as well keep things as consistent as possible.
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The Following User Says Thank You to Tcoat For This Useful Post: | brzcui (03-25-2019) |
03-25-2019, 02:29 PM | #7 |
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wouldn't it make more sense to have posted your update in your original thread?
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03-25-2019, 02:31 PM | #8 | |
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Racecar spelled backwards is Racecar, because Racecar.
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The Following User Says Thank You to Tcoat For This Useful Post: | brzcui (03-25-2019) |
03-25-2019, 02:31 PM | #9 |
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You think the problem is the stock fuel pump failing instead of simply just not capable of putting up with the hp? I’m perfectly fine with going stock fuel pump but I don’t want to run in problems with a new stock fuel pump not strong enough and upgrading in the future, is there anyway you can physically check the fuel pump is bad? I know they said the fuel pressure isn’t correct, could it be something else leading to the fuel pump failing but not the part itself being faulty? Thanks for the help
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03-25-2019, 02:39 PM | #10 |
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I don't want to be disrespectful but your situation is the exact reason why I build my cars from stock rather than buying someone else's project... 1. You don't know what's been done to it 2. You don't know much of anything about the engine to diagnose things yourself...
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03-25-2019, 02:46 PM | #11 |
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No that’s very true, i always wanted a brz but i heard about the lack of power so i was planning on going on engine mods anyways. In my situation, buying a stock for 15k and 6k for a supercharger and install for labor isn’t really worth it, i would rather just save the time and money and spend it on a complete build. Well unfortunately, even though the car at first seems like a complete build w a newly swapped FA20 and it was running fine for a while, problems eventually occurred
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03-25-2019, 02:49 PM | #12 |
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03-25-2019, 02:53 PM | #13 |
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I think he meant so which, fuel pump should be changed due to the condition? Lol idk
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03-25-2019, 02:58 PM | #14 | |
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Quote:
__________________
Racecar spelled backwards is Racecar, because Racecar.
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The Following User Says Thank You to Tcoat For This Useful Post: | brzcui (03-25-2019) |
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