1997 Mercury Sable Computer codes

Tiny
NEIS
  • MEMBER
  • 1997 MERCURY SABLE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 95,000 MILES
First code reading after a miss and rough idle pointed to number 2 spark plug bad. Changed ignition wires and installed new plugs as it was time anyway. Ran a little better but still not right. Read codes again this time codes said number 2 coil pac and number 2 injector problems and main computer problem possible. Before I slap on a new coil pac could a bad injector ruin the coil pac? Should all the coil pacs be replaced if only one needs it? Should all the injectors be replace as a set if only one needs it? This the basic OHV engine NOT the duratec OHC.

Thanks, any help appreciated
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Saturday, May 8th, 2010 AT 4:22 PM

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Tiny
RASMATAZ
  • MEMBER
Check no.2 compression and injector
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Saturday, May 8th, 2010 AT 7:55 PM

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