TPS - I maybe anal but.... - Victory Forums - Victory Motorcycle Forum
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post #1 of 3 (permalink) Old 05-16-2015, 11:12 PM Thread Starter
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Location: Vernon, CT
Posts: 20
Default TPS - I maybe anal but....

Crusing at 67-70 mph, I felt a very slight surge, thought it could be the wind but was curious so I poped the plug from the ECM and checked pins 29-8: 3036 -1372 ohms; 29-14: 1409-3080; 8-14: 2174. Looks good except pins 8-14: should be 3-5K.
also the closed reading would change if I rolled the throttle closed or let it snap closed. Your thoughts on any of this?
I was thinking: (here comes the anal part) If I mark the throttle position in degree's, are the ohms uniform through out the throttle range?
example: Ave ohms to WOT is 1667 / 47 degree's to WOT = 35 ohms per degree. I can mark the throttle position were I feel the surge and check it out.

03V92C Vernon, CT
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post #2 of 3 (permalink) Old 05-17-2015, 07:25 AM
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Join Date: Jan 2013
Location: Beer Collins, CO
Posts: 361

The pins your checking don't match my 99's ECM map. What I've experienced with a bad TPS was the engine cutting out for fractions of a second while cruising right around 3000 RPMs-no surging. I have no idea if the TPS/potentiometer's output is tapered-it's not an expensive part at any auto store & easy to replace on a 99.

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post #3 of 3 (permalink) Old 05-17-2015, 11:23 AM
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Location: minnesota
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when was the last time you cleaned the throttle body. Have you looked for cracked rubber plugs and vacuum lines. What about your TPS
have you put a 10mm wrench on your battery bolts to see if there tight. No checking with your hand will not do

2008 Vision
Mpls, MN.

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