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09/09/2022 6:46 pm
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2019 Mustang ecoboost low/rough idle and shutters/misses at low RPM 1k-2k at highway speeds. I have replaced - plugs, coil packs, low and high fuel sensors, high pressure pump, carbon treated and cleaned throttle body. 94K miles. Still getting 30mpg and no problem accelerating. All the issues are at idle and in the rpm range listed above. Any idea ? I am thinking may be timing chain but the problem is not consistent. No codes either. Its making me crazy.
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09/09/2022 8:26 pm
It should still be covered by Ford
