S-10 Forum banner

high idle

  1. 262ci Forum (4.3)
    I have a 1993 s10 4.3 4x4 and I can start it up just fine and it’ll run for about 5-10 minutes then it starts to idle really high and about 10 seconds later it shuts off and won’t crank back up unless I give it about 20-30 minutes to cool down. Doesn’t run hot all gauges look fine. Has brand new...
  2. S10 / S15
    85 S10 2wd 2.5L code 22 & 45 Tps low voltage and O2 fuel system rich High idle and looses power while driving. I would describe it as bogging down and acts like it’s running out of fuel. replaced plugs, wires, cap, button, new fuel filter, rebuilt TBI, new valve cover gasket, new intake...
  3. S10 / Sonoma
    93 Sonoma 2.8 is idling around 3500 rpm's. I took the IAC out replaced the gasket and torqued back in about 10-13 lbs. Now on startup it is a constant high idle. I've pulled the negative then the connector tried to trace down any vacuum leaks but idle is to high to run. Map sensor has been...
  4. 262ci Forum (4.3)
    1998 "W" S-10 4.3L 5spd RWD 144k Miles I'm out of ideas with that TB, read a lot about them but the topic never had the solution at the end... Idling fine when the truck is not moving. (has a slight misfire only at idle and some backfire at back shifting but had it before the problem started)...
Top