Q: Car accelerates from stop fine but sluggish after that

asked by on July 31, 2017

The "ENGINE" light is on.

The car seems to accelerate ok initially. However, after the initial acceleration, it's very very sluggish on any inclined roads. Also - car hesitates as it's increasing in speed (30 - 50 miles/hr).

MAF - replaced O2 Sensor - replaced IAC - replaced spark plugs - haven't checked

Hope you guys can help. Thx

My car has 190000 miles.
My car has an automatic transmission.

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