Hi, I have a 97 Ford Escort and a few days ago my service engine soon light came on, then the next day it began accelerating loudly. Reverse sounds normal, and when it hits overdrive at about 70 km/hr it sounds relatively normal, but when I hit the gas from 0 its pretty loud. Its seems to be running normally, but its simply loud, like a race car a bit. Is it a muffler thing or transmission or related to the engine light? I'm getting it checked out in a couple days but I'm impatient and would like to have some idea of what it could be. Thanks.
The way you described this, it sounds like maybe you have a cracked exhaust pipe. Since your car is front wheel drive and you go in reverse, the pipe prob is not bending at the crack. Going foward, the crack opens up with more engine torque( engine is rubber mounted to give some play) until you get to the speed you want the the engine levels off. This could be throwing the check engine light.
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