Not Firing Sometimes On 2 Spark Plugs

Tiny
3FC3LM
  • MEMBER
  • 1993 FORD RANGER
  • 2.3L
  • 4 CYL
  • 2WD
  • MANUAL
  • 178,000 MILES
Hello,
I've changed spark plugs and wires, and also put new coil packs in. Have 2 spark plugs that fire sometimes, but does not effect the idling or running. Check engine light comes on and goes off when spark plugs fire. Have had the computer checked for a code but nothing comes up. Please tell me if this is a computer problem or something else.
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Saturday, September 13th, 2014 AT 2:28 PM

1 Reply

Tiny
SINBAD271
  • EXPERT
Check ignition module
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Monday, September 15th, 2014 AT 10:26 AM

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