i have rough idle in gear gets worse with lights on

2003 MITSUBISHI GALANT
157,745 MILES
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BUBBAMECH27
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  • 1 POST
have tested amperage and have tuned car up and cleaned throttle plate
Dec 14, 2011 at 6:11 AM
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RIVERMIKERAT
  • ✓ASE Certified Mechanic
  • 6,110 POSTS
  • ASE Certified Mechanic
What kind of fuel do you use? Brand name or cheapest available? When was the last time you ran a quality fuel system cleaner through the tank? Check for vacuum leaks.
Dec 14, 2011 at 6:13 AM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Have the idle air controller, EGR valve and TPS sensor to include the charging system
Dec 14, 2011 at 8:02 AM
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