Code dE7 on speedometer and yellow light flashing. What does that mean? turned off sled and restarted ran ok made it home slowly. Sled has bad flat spot in midrange. Seems to fall flat on its face. Then when excellerating seems to pick up ok. dE7 code came up twice after running up on top end.
De7 usually is mistaken for DET. detonation.
either you are using low octane fuel or you need to get a new map setting. also depending on if you are running ethanol fuel or non ethanol fuel you can get a plug specifically for that and it can retard the timing slightly. that may help....
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