Question about 1992 Buick Regal
Ok you have probably more than one problem first coolant leak im not sure which engine you have in your car but if it is the v six check at the tensioner there is to small ninty degree pipes they have orings on both ends of them and they typically start to leak motormite makes replacements for them if your car is continueslly running hot that can confuse your ecm and cause it to run lean or rich on fuel which will effect its idle small vacumm leaks can cause issues as well you can take throttle plate cleaner not carb cleaner and spray threw out your vacumm hoses it will idle up or choke out when you hit the hot spot for the leak im almost willing to bet you have a vaccum leak that whats causing your check engine light but however you have an upper hand for have a check engine light on thats the way your car is talking to you so dont ignore it take it in and have it scanned also because you have gm product it sets hard codes so have them pull all codes not just the current codes
Posted on Sep 28, 2010
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Posted on Jan 02, 2017
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