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Discussion Starter #1
2005 Santa Fe 2.7 with 157,000 miles

The current codes showing are P1167 and P1166

At cold start, it is hard to start, stalls, rough idle, almost like a choke. After several attempts, it will run but poorly until it warms up.
After warming up some, it will run rough at about 800 rpm. In park, with very slow acceleration, I can get the rpm up some; if I step on it, it sputters and bogs down.
In drive gear, the idle with let it move forward, very slow and gradual acceleration can get it up to 35 mph, but it runs like it has a misfire; if I step on the gas to speed up fast, it slows down and feels bogged down.
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