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Old 05-20-2020, 05:49 AM   #1
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Join Date: Dec 2019
Location: Florida
Posts: 28
Top Down, 1-95 in Palm Beach... Cough Cough - Codes, Rough Idle, Erie Rattle

Sudden Check Engine Light, Codes, Rough Idle & Rattle Sound! What do you think is going on?

1999 Boxster 55,000 miles, mint condition as of last week

Codes from my blue tooth reader are...

P117 - Mass air flow sensor? or O2?
P1121 - Throttle posisiton sensor?
P0140 - O2 Sensor (Bank 1, Sensor 2)
P0304 - Cylinder 4 Misfire Detected

Last edited by 986Eve; 05-31-2020 at 09:26 AM.
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