Quote:
Originally Posted by Toplad
How do you test coil packs?
Mine are original and have done 100k, but the car drives smooth enough, mpg is a bit low circ 21mpg
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1) Inspect (very) closely under a good light source the coil pack's insulation for cracks - sometimes they can be hairline and difficult to see.
2) If in doubt, connect an ohmmeter across pins 1 & 3 and check resistance. They should be 0.3 - 0.7 ohms @ 20 deg. C. Anything out of this band should be replaced.
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