AustinsZCar2008 Posted April 7, 2013 Share Posted April 7, 2013 Me and a buddy just changed the timing belt in my 92 prelude si with the H23a1 motor.. we assured the cams and crank are lined up.. the problem is when we start it at first it runs fine as long as its choked up.. but when it warms up and idles down it idles down too low and will shut off.. The car has 136000 miles on it and this was the first time the belts have been changed.. what could be causing it to do this? It was idling fine when we started working on this... Any help would greatly be appreciated, thanks Quote Link to comment Share on other sites More sharing options...
James Matteu Posted April 7, 2013 Share Posted April 7, 2013 You have to start by assuming you disconnected something and failed to reconnect it. After you've reviewed your work, look at items such as the IACV. Quote Link to comment Share on other sites More sharing options...
97b16dapek Posted April 9, 2013 Share Posted April 9, 2013 try cleaning your idle air sensor valve Quote Link to comment Share on other sites More sharing options...
Daniel Longoria Posted October 16, 2015 Share Posted October 16, 2015 Also try checking ur tps sensor Quote Link to comment Share on other sites More sharing options...
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