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Protege hesitation

2002 mazda protege 2.0 DOHC. So it all started when I broke down at Lowes. Came outside wouldn't start. So I changed the fuel pump no change . I changed the plugs and coil packs stayed the same I've changed both belts and the oil. Brand new maf also. Didn't change the 2 plug wires that come off the coil packs. My car is hesitating from start and you can feel it skip a beat every so often when driving. Please help this is driving me nuts. Maybe a bad maf?

Quote:

Originally Posted by Clifford Nelsonk (Post 164088)

So it all started when I broke down at Lowes. Came outside wouldn't start. So I changed the fuel pump didn't help. I changed the plugs and coil packs helped a lot. I've changed both belts and the oil. Brand new maf also. Didn't change the 2 plug wires that come off the coil packs. My car is hesitating from start and you can feel it skip a beat every so often when driving. Please help this is driving me nuts.

Also was getting a po171 code