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12/09/2021 7:14 am
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Hey scotty. I have a Ford Focus 2010 1.8L gasoline hatchback. I am experiencing sudden drop in rpm about almost 0 then sudden increase of about 2000 or less whenever the aircondition and fan is off and I press the gas pedal. Prolong use without aircon causes rpm to drop then increase then suddenly stalling of car with check engine and battery warnings on. I just replaced my EGR and sparkplugs and still the problem persist.
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12/09/2021 8:20 am
Check the IAC and TPS, MAF and air cleaner.
