My sable with 103000 miles will refuse to accelerate (seems to bog down) going up a fairly steep hill after a right turn. This is intermittent, not every time. Computer shows no codes, repairs so far: new fuel pump, new plugs, coils and computer. New fuel filter. Transmission fully checked, fuel pressure checked, MAF cleaned, new air filter, Throttle body cleaned. Otherwise the car runs fine, except for a slight surging while on cruise control around 70. Seems to have a little less power than when newer, but that is only perception, no hard evidence. Mileage has always been in the 20 to 22 range mostly hiway driving. My mechanic is stumped
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Thursday, April 21st, 2011 AT 1:44 AM