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7,783 Posts
I agree the fuse trick is worth a try (and probably the throttle calibration trick, too), but bear in mind that engine output can greatly vary during the summer months, just from heatsoak effects. Engine output can vary within hours of a day, depending on what stage of heatsoak you are running at that particular moment. If you have been running the A/C, then you are almost certainly running moderate to heavy heatsoak.
