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I have a 94 Taurus with 3.0. I just replaced the EGR tube and both O2 sensors. I eliminated codes 172 and 176 but I am still getting codes.

I start the engine fine but 1 mile down the road it loses power and starts sputtering. Top speed about 20 miles an hour. Then it will gradually get power back.

I am still getting codes:

157 (R, M) MAF signal is/was low or grounded

212(M) Ignition TACH signal was erratic or SPOUT circuit fault - ignition

Where to I go from here? :confused:

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