tps stuck at 4.80 idling high?

figga8n

Member
Joined
Sep 15, 2005
Took car out for 5 min serivce light came on checked sm and my tps is stuck at 4.80?? I tried to adjust and it stays at 4.80? I even unplugged it and car still idles high with tps reading 4.80??
 
On a code 21, the ecm will use a default TPS value of 2.6 volts,your engine will idle high under these conditions.
 
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