Blinking CEL, misfires, but running fine?
10-12-2015, 03:49 PM
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Blinking CEL, misfires, but running fine?
2008 Cobalt SS turbo with 75k miles. It has been religiously maintained and has never given me any mechanical issues, but I was driving from Lincoln to Omaha last Friday, cruising at a constant 80mph, when my check engine light blinked a few times. The car was running fine, no loss of power and no weird noises or vibrations. The check engine light blinked a few more times over the course of maybe five minutes and then it hasn't done it since then. Drive it to Omaha and then back to Lincoln and nothing. I scanned it and I got codes for misfires on all four cylinders. I just find it odd that I didn't feel or hear anything, yet the computer claims I had a bunch of misfires?
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10-12-2015, 04:30 PM
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10-12-2015, 04:58 PM
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See what codes are in history. The blinking is normally related to conditions that can cause a failure of the emissions equipment, normally misfires. Pull the specific code (which should be stored unless you disconnected the battery).
10-13-2015, 05:33 PM
#5
2008 Cobalt SS turbo with 75k miles. It has been religiously maintained and has never given me any mechanical issues, but I was driving from Lincoln to Omaha last Friday, cruising at a constant 80mph, when my check engine light blinked a few times. The car was running fine, no loss of power and no weird noises or vibrations. The check engine light blinked a few more times over the course of maybe five minutes and then it hasn't done it since then. Drive it to Omaha and then back to Lincoln and nothing. I scanned it and I got codes for misfires on all four cylinders. I just find it odd that I didn't feel or hear anything, yet the computer claims I had a bunch of misfires?
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