Spark plugs firing when key turned on?
09-12-19, 10:17 AM
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Spark plugs firing when key turned on?
On some cold starts, when i turn the ignition to On (not starting the engine) I get a loud pop. it seems like the spark plugs are firing and igniting a small fuel mixture. The last time, it popped off some vacuum caps. Has anyone had this happen and if so what fixed/caused this?
09-12-19, 03:36 PM
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On some cold starts, when i turn the ignition to On (not starting the engine) I get a loud pop. it seems like the spark plugs are firing and igniting a small fuel mixture. The last time, it popped off some vacuum caps. Has anyone had this happen and if so what fixed/caused this?
09-13-19, 12:48 PM
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I wish I was driving!
09-13-19, 04:38 PM
#7
That's a crappy ECU bug to have, and makes me wonder how many engines have been blown up on the E6X because of it. If it's firing spark plugs when it's NEVER supposed to, how can you trust it to fire the plugs in accordance with the timing map you tuned into it while the car is running?
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