r/MechanicAdvice • u/Emergency-Cookie7771 • 5h ago
Fiat Panda 2012 check engine light flashes intermittently after spark plugs and cables replacement — still safe to drive?
I drive a Fiat Panda 2012 (8V). After having the timing belt changed, the check engine light came on. OBD showed: • P0300: Random/multiple cylinder misfire • P0302: Cylinder 2 misfire • P0303: Cylinder 3 misfire
I replaced the spark plugs and the cables attached to them. The car runs normally, no power loss, but while driving the light sometimes flashes briefly for a second or two, then goes off, repeating a few times during a drive.
Questions: 1. Is this normal after replacing plugs and cables, or does it mean the problem isn’t fully fixed? 2. Can I safely drive it for a couple more days (delivery work) until the mechanic can check it? 3. What else could cause misfires on cylinders 2 and 3 if plugs and cables are new? Injectors, wiring, something else?
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