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12-16-2010, 02:01 AM
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#1 |
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Stock
Join Date: Dec 2010
Location: Bloomington
Posts: 7
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KS/Speedo Cable Problems? Plz Help
 Hey guys, just bought an 87 N/A Supra. Basically its throwing a code 52, the speedo doesn't work, The overdrive light flashes over 40, and the car has literally no power hardly at all. Even if you floor it. I've done quite a bit of research on this website and it seems everyones pretty knowledgable. The trans goes into every gear smoothly. Just has no power, its not plugs or a fuel problem or anything little like that. Also I notice some wiring down there by the KS that didn't look too professional. Also I'm in Bloomington, IN with a foot of snow so I really don't wanna take the starter off  Got any tips anyone?
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12-16-2010, 03:30 AM
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#2 |
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20psi boost
Join Date: Dec 2009
Location: Harrisburg
Posts: 759
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The o/d off light flashing is a warning and code indicator for the transmission. Here is the Toyota repair manual for a 1990 but should point you in the right direction.
http://www.cygnusx1.net/Supra/Librar....aspx?S=AT&P=1 |
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12-16-2010, 03:37 AM
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#3 |
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Stock
Join Date: Dec 2010
Location: Bloomington
Posts: 7
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Wouldn't the tps throw a code? When its in park or neutral the engine feels like it has full power. It shifts through all gears fine. Just accelerates at maybe 25% percent of what it could
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12-16-2010, 04:25 AM
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#4 |
 Toyota Racing Development Join Date: Apr 2007
Posts: 5,038
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52 is a critical code and if the ECU is actively seeing the fault the ECU will go in to what is commonly known as "limp mode".... the ECU dumps in tons of extra fuel and pulls very large amounts of spark advance very effectively neutering your engine of any balls it once had.
The transmission problem is very likely due to the inoperable speedometer. The speedometer is where the speed signal for the transmission is generated. Fixing the speedometer and the knock sensor and/or its wiring may be the sum of what's needed to restore power and driveability.
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12-16-2010, 04:28 AM
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#5 |
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20psi boost
Join Date: Dec 2009
Location: Harrisburg
Posts: 759
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See if you can pull the code for it. It gives instructions in the link on how to do it. All you should need is a small piece of wire or paper clip.
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12-16-2010, 05:35 AM
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#6 |
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Stock
Join Date: Dec 2010
Location: Bloomington
Posts: 7
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You guys are reassuring!
Is the next sensor common to go out or is the wiring most likely? Its an Indiana car and I'm sure its had the piss ran outta it. The elements aren't exactly forgiving up here.
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12-16-2010, 05:45 AM
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#7 |
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Stock
Join Date: Dec 2010
Location: Bloomington
Posts: 7
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Oh, and btw I pulled the code it was a 52 ^^above. I'm pretty sure the flashing is just because of the speedo sensor. I'm on a pretty low budget so I'm lookin to fix the one thats making the car fall on its face first.
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| 7mge ks wiring lost? |
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