2000 Chevy Malibu Check engine light problem

139,000 MILES • 6 CYL • FWD • AUTOMATIC
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BRANDON_KENNEDY1987
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  • 1 POST
Recently, I was on my way to work and my check engine light came on and the car started acting really "chuggy." I had it checked at auto zone and the test said that I had a number 5 misfire. They told me to replace my spark plugs, so I did that, and that didn't fix it. I took it to a mechanic who said it was the coil pack, so I had that replaced, and that didn't fix it. Auto zone told me to put some "sea foam" into the gas tank, but that didn't help. Finally, my stepdad(who used to be a mechanic) told me to change the spark plug wires. I did that yesterday, but the car still runs the same and the check engine light is still on. It stays solid until I drive over 35 mph. Then it starts flashing, so what else could it be?
May 10, 2008 at 1:46 AM
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BLACKOP555
  • ✓Experienced Mechanic
  • 10,386 POSTS
try switching the injector with another one, does the problem move? if so its the injector. If its not check for injector pulse at that cylinder.
May 10, 2008 at 3:06 AM
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