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Accel DFI TPS Sensor Question

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Old Jul 17, 2013 | 09:44 AM
  #1  
greeny's Avatar
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Engine: Dart 427 SBC
Transmission: 700R4
Axle/Gears: Ford 9" 4.10
Accel DFI TPS Sensor Question

I have an Accel DFI thruster series system for a small block chevy. It is the throttle body system. It was installed and then professionally tuned at a recommended accel dealer. I have a TPS sensor error 24. I have tried to reconfigure the sensor, its low set point is 4.84, and high set point in 5.XX after reconfiguring. I have reconfigured it twice and the sensor keeps displaying error code and defaulting to 100% WOT. Any Ideas?? The code recommends checking the wiring but it had to be working properly when it was tune.. Right? In addition, can I continue to drive the car and if so what will be the consequences?
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Old Jul 17, 2013 | 09:50 AM
  #2  
greeny's Avatar
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Engine: Dart 427 SBC
Transmission: 700R4
Axle/Gears: Ford 9" 4.10
Re: Accel DFI TPS Sensor Question

In addition the part number is 77144..
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Old Jul 17, 2013 | 03:36 PM
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Re: Accel DFI TPS Sensor Question

4.84V at closed throttle is high...you should see .4-.5v...maybe a faulty sensor.
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Old Jul 18, 2013 | 09:37 AM
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Re: Accel DFI TPS Sensor Question

His v meter may be on a diff scale?
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Old Jul 18, 2013 | 09:41 AM
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Re: Accel DFI TPS Sensor Question

Originally Posted by jonarotz
4.84V at closed throttle is high...you should see .4-.5v...maybe a faulty sensor.
X2. Check to make sure it advances as the throttle does as well. I'll bet the sensor is bad though.
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