Arthur Digby Sellers Posted August 7, 2020 Share Posted August 7, 2020 Upon having both T-belts swapped after the driver's side slipped, I got my 92 manual Loyale back from the shop to find it would not idle properly. Occasionally, it will stay at about 1000 RPM. In other cases, the RPM will drop, in tiny increments, until it dies. There does not seem to be any correlation between this happening and any other factors; occurring at random, from what I have observed. Lightly applying the throttle will keep it from dying. My research has led me to lean towards a leaky vacuum line or an issue with either TPS or IAC sensor. Additionally, a member of the forum suggested the cam sprockets could be one tooth off and I will be starting there, unless someone advises that is likely to not be the cause of the issue. TIA for all of the help. This forum is a lifesaver. Quote Link to comment Share on other sites More sharing options...
DaveT Posted August 8, 2020 Share Posted August 8, 2020 The CTS can cause weird idle problems. Normally, makes it go high though. I had the wire to the IAC valve break once, intermittent - It ran fine, but no idle. If I kept a little gas pedal, it would stay running. Quote Link to comment Share on other sites More sharing options...
Arthur Digby Sellers Posted August 8, 2020 Author Share Posted August 8, 2020 (edited) 4 hours ago, DaveT said: The CTS can cause weird idle problems. Normally, makes it go high though. I had the wire to the IAC valve break once, intermittent - It ran fine, but no idle. If I kept a little gas pedal, it would stay running. Thanks. I'll take a peek at the IAC valve, seems it winds up being the cause of a lot of idle related issues. Edited August 8, 2020 by Arthur Digby Sellers Quote Link to comment Share on other sites More sharing options...
Ionstorm66 Posted August 10, 2020 Share Posted August 10, 2020 Make sure all the hoses are connected and not cracked. Especially the PVC hoses. Quote Link to comment Share on other sites More sharing options...
Subarule Posted August 11, 2020 Share Posted August 11, 2020 Mine would do that when the alternator started going bad. Quote Link to comment Share on other sites More sharing options...
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