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Throttle Position Sensor, what am I doing wrong!!!


Tyrone

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I have fitted the TPS to my Megajolt system.

 

I have rotated the TPS fully anticlockwise, tightened the screws and started the engine, got it up to working temp, connected the multimeter to the earth and reference wires and achieved a reading of 5v.

 

slackening the screws and connecting the MM to the earth and the signal wires and rotating the TPS clockwise I get a max reading of 0.5v (Alpha Weber suggest 0.75v) at idle. Switch off and ignition on, open the throttle and the maximum I can achieve is 2.5v (should be a min of 3.8v).

 

I took the car out anyway and it is still pinking under load and the ignition light remains on albeit dimly.

 

What am I doing wrong? Help!

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I have posted the same question on the MJ site. I'm not going to hold my breath while I wait for an answer. It doesn't look heavily populated.

 

Could someone email me Bill Shurvinton's email address. I don't have it here at work.

 

send to:

brian.ramsey@amec.com

 

Thanks

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