can the Throttle Position Switch be cleaned ? MY98
Periodically, the Tick over will go high, Hang & Hunt along with V poor running, The Cel light is also illuminated, CEL Code 31 is stored TPS.
The Cel light will then go out, Come back on, Go out Etc a few times, Once it has gone out permanently the Revs at tickover stay much higher about 1050 Rpm, Turn ignition Off & restart the car & the idle returns to normal :confused: Is it worth cleaning ? Has/Does this make a difference ? IS it best to just replace the Tps ? & what should the Voltage be on a MY98 on closed & open Etc. thanks V Much :thumb: Dean |
I cleaned mine out a while ago with some electrical contact cleaner to solve the high idle problem you describe. The idle voltage should be 0.5v but I would mark the sensor against the throttle body to make sure you put it back exactly where you take it from.
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It should be giving 0.4 to 0.7 volts when closed, 4.3-4.5 v wide open IIRC. It can be taken off and cleaned. If this doesn't fix it, just replace it.
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Originally Posted by silent running
(Post 6607662)
It should be giving 0.4 to 0.7 volts when closed, 4.3-4.5 v wide open IIRC. It can be taken off and cleaned. If this doesn't fix it, just replace it.
Well adjusted & cleaned the Tps, i was amazed how much i had to move it to get 0.4 Volts. I also found out that i have a split inlet pipe by the Turbo, So fixed that also with a sneaky bit of Samco i had lying around from when i grafted a Evo 6 intercooler onto one of my earlier scoobs :D Car seems alot happier now, Much smoother at Tickover ,part throttle cruise & pulls stronger Too :D Lets hope it lasts Dean |
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