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06-27-2019, 08:21 AM | #1 |
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Taking car back to stock - can I use the upgraded MAP sensor with stock ECU tune?
Hey all,
I'm getting my car ready to trade-in and bringing it back to stock. It currently has the Vortech Supercharger kit on it and I can't find my stock MAP sensor (I have the Omni on it). Sure, I can order a new MAP sensor, but I thought I'd check to see if the stock tune would work with the upgraded sensor without trying to write a new stock tune for it that messes with multipliers and whatnot. What say you all? Is it doable or am I buying a stock MAP sensor? Thanks! |
06-27-2019, 08:28 AM | #2 |
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It won't even turn on the engine with upgraded map sensor and stock tune
you have to modify the stock tune's map sensor scaling for your exact map sensor and then you can use it or find a stock map sensor |
06-27-2019, 08:28 AM | #3 |
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You'd just need to update the stock tune with the correct MAP sensor scaling, nothing else would need changing .
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06-27-2019, 08:30 AM | #4 |
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The stock tune will not work. The car will idle and drive like trash. You can modify the stock tune with the MAP sensor calibration though, it's incredibly simple.
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06-27-2019, 08:47 AM | #5 |
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It would probably be worth it to go back to stock, then sell the upgraded one with the supercharger.
https://www.rockauto.com/en/catalog/...)+sensor,11207
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06-27-2019, 11:45 AM | #6 |
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In about 3 months from now:
"Hi Forum. I just bought a used BRZ and flashed the latest stock tune and now my car won't start. Any idea what is wrong?" Just spend the few bucks for the stock sensor and as Tuna said recoup the cost in the sale of the system. Save everybody a headache down the road.
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The Following 5 Users Say Thank You to Tcoat For This Useful Post: | 86TOYO2k17 (06-27-2019), bfrank1972 (06-27-2019), Lantanafrs2 (06-27-2019), wparsons (06-27-2019), xdavidx (06-27-2019) |
06-27-2019, 12:22 PM | #7 | |
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Thanks all! |
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The Following User Says Thank You to Foobar For This Useful Post: | Tcoat (06-27-2019) |
06-27-2019, 12:48 PM | #8 |
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For anyone else that needs a stock MAP sensor - found it at Autozone for $47.99! Unfortunately, it won't get here until July 5th and I'm doing the work this weekend so I'll likely have to modify the stock tune's scaling to handle the Omni 2.5 BAR in the meantime as this is still my daily until the new car comes in.
Thanks again! |
The Following User Says Thank You to Foobar For This Useful Post: | BigTuna (06-27-2019) |
06-27-2019, 12:55 PM | #9 | |
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06-27-2019, 12:56 PM | #10 |
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On a trade in? Would be fine for private party. But not a dealer. And modifying the tune a dealer may flash ecu back to stock anyways. Or like Tcoat said someone buys it and they have issues not knowing what’s going on.
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The Following User Says Thank You to 86TOYO2k17 For This Useful Post: | wparsons (06-27-2019) |
06-27-2019, 01:12 PM | #11 |
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I'm making the shift to electric - Tesla Model 3 Performance. I won't be wrenching on cars anymore - I still have three motorcycles for that itch though...
Trade-in value is terrible. I'm trying to sell it on my own first. I actually was hoping I could find someone local who wanted the car with the mods but I don't see a lot of interest in that. |
The Following User Says Thank You to Foobar For This Useful Post: | Tcoat (06-27-2019) |
06-27-2019, 01:48 PM | #12 | |
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I will stay internal combustion and manual tranny until they pry it from cold dead hands.
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06-27-2019, 02:13 PM | #13 | |
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humfrz |
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06-27-2019, 02:17 PM | #14 | |
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He is fine
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Last edited by Tcoat; 06-27-2019 at 08:17 PM. |
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