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Old 01-10-2015, 02:13 PM
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Quote:
Originally Posted by N1GHTH4WK92 View Post
Well I guess this could potentially explain why my car has jumped to 18afr on idle/ cruise for the last 3-4 tanks of fuel if this is true. Did spark plugs this morning, didn't fix it, and has new coilpacks. Splutters before boost and sounds misfiry on idle.
It would go Richer (lower AFR number) if the ethanol content was lower than it should be i.e the fuel has a higher unleaded percentage.
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