ignition coil

2002 DAEWOO LANOS
150,000 MILES • 4 CYL • 2WD • AUTOMATIC
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ABU ALZAIN GHANNAM
  • MEMBER
  • 11 POSTS
my car has decreasing in mpg, did ignition coil is the cause, especially, because the car has interruption through slow speeds.
Dec 31, 2019 at 4:02 AM
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ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
Good morning,

Did you change the spark plugs as well?

https://www.2carpros.com/articles/engine-misfires-or-runs-rough

Did you check the compression?

https://www.2carpros.com/articles/how-to-test-engine-compression

Roy
Dec 31, 2019 at 6:15 AM
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