hello everyone my exp its shaking and it gets worst when i turn the ac on it had some wires melt on the 3rd fuel injector on the passenger side i put them together and still the same i check for more and the cables the come from the coils and injectors they were touching the ac pipe the comes out of the firewall and 4 of them were melt also i put them together and still the same.. the code its p0171 bank 1 i replace recently the sparks and coils,the pcv line,o2 sensors on front but the same code and the shaking it start with white smoke and the shaking now smokes a little just normal i put some seafom but no change please if someone had the same problem help me dont want to take it to dealer dont trust them