evilsqwerl Posted September 1, 2008 Share Posted September 1, 2008 So i am new to the forum and i just bought this car. I hope that this isnt a repeat thread but, so the car idles fine when its cold and then as soon as it warms up 75% of the time when stopping at a stop sign or light it wont idle and dies. I dont know if it matters but it doesnt have a muffler on it. I also just gave it a tune up new plugs, wires, cap,rotor etc... Any help would be great thanks guys. Link to comment Share on other sites More sharing options...
Turbone Posted September 1, 2008 Share Posted September 1, 2008 No muffler wouldnt matter. Did you include a new fuel filter with the tune-up? Could also be that some of the sensor wires are corroded and need to clean the terminals or replace them. Link to comment Share on other sites More sharing options...
ruparts Posted September 1, 2008 Share Posted September 1, 2008 So i am new to the forum and i just bought this car. I hope that this isnt a repeat thread but, so the car idles fine when its cold and then as soon as it warms up 75% of the time when stopping at a stop sign or light it wont idle and dies. I dont know if it matters but it doesnt have a muffler on it. I also just gave it a tune up new plugs, wires, cap,rotor etc... Any help would be great thanks guys. Look for vacuum leaks, Ignition timing is important, be sure to set it with the test coccectors connected. also check the airthing on top of thermostat outlet is working. a bad o2 sensor can cause rich mixture. bad egr can upset idle. Link to comment Share on other sites More sharing options...
evilsqwerl Posted September 1, 2008 Author Share Posted September 1, 2008 Thanks i will look into it and let you know what i find out. Link to comment Share on other sites More sharing options...
evilsqwerl Posted September 2, 2008 Author Share Posted September 2, 2008 so i checked the ecu and it showed up code 31 which is the throttle position sensor. Correct? so that shouldbe the problem right? Link to comment Share on other sites More sharing options...
GeneralDisorder Posted September 2, 2008 Share Posted September 2, 2008 so i checked the ecu and it showed up code 31 which is the throttle position sensor. Correct? so that shouldbe the problem right? Sounds like the idle switch inside the TPS is either malfunctioning or improperly adjusted. Try adjusting the sensor and if that doesn't work get another one from the junk yard. You'll need one from an EA82 Turbo car - probably an '87-'90 with the hot-wire MAF. I don't know if the '85/'86 TPS is the same but probably not. GD Link to comment Share on other sites More sharing options...
SuperBrat Posted September 2, 2008 Share Posted September 2, 2008 Did you buy one of the rx's that was for sale in spokane? $1200 or the $850 one? Link to comment Share on other sites More sharing options...
4WDFrenzy Posted September 2, 2008 Share Posted September 2, 2008 I had the same problem with my '88 GL-10 wagon right after I had changed the clutch. I adjusted the TPS and also made a small adjustment to the idle screw. It ran fine after that. Patrick Link to comment Share on other sites More sharing options...
evilsqwerl Posted September 2, 2008 Author Share Posted September 2, 2008 i just adjusted the screw and it idles fine now. i bought the 850 one but got it for 650 Link to comment Share on other sites More sharing options...
GeneralDisorder Posted September 4, 2008 Share Posted September 4, 2008 i just adjusted the screw and it idles fine now. i bought the 850 one but got it for 650 Which screw did you adjust? The butterfly stop screw with the white paint on it or the actual idle adjustment screw? The former should never be adjusted unless it was already done by someone else and you have no choice. GD Link to comment Share on other sites More sharing options...
evilsqwerl Posted September 4, 2008 Author Share Posted September 4, 2008 The one on the tps i think, not sure if it was the butterfly one. It just opened up the throttle a little, I dont know if it was adjusted by someone else but i had no choice. Link to comment Share on other sites More sharing options...
Turbone Posted September 4, 2008 Share Posted September 4, 2008 Theres a Idle adjusting screw on the throttle body. Thats what you probably adjusted. Link to comment Share on other sites More sharing options...
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