H23JDMLUVR
Junior Member
I PURCHASED A USED CAR RECENTLY THAT RAN FINE FOR AT LEAST 5 DAYS BEFORE THE RPM GUAGE STARTED SURGING ALONG WITH THE MOTOR... FROM 1,000 RPM - 1,800 RPM.... I SPENT ABOUT 40HRS TOTAL ON INSPECTING THIS CAR... I KNOW PRELUDES VERY WELL FOR I HAD A 95 BEFORE THIS 92.... HOWEVER I HAVE NEVER INCOURTERED THIS KIND OF SPORATIC IDLE SURGING... MY CAR STILL GETS GREAT GAS MILAGE 430 MILES TO A TANK! ALL VACUUM LINES ARE FINE AND HAVE BEEN PROPANE TESTED ALL SENSORS HAVE BEEN CLEANED AND CHECKED AND THE ECU HAS BEEN RESET MULTIPLE TIMES.... ALSO I HAVE ADJUSTED THE AIR TO IDLE SCREW AND TURNED THE IDLE DOWN SO THE CAR DOESN'T DRIVE ME INSAIN.... ANY HELP WOULD BE GREAT... THANKS