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Discussion Starter · #1 ·
Hello all, I just got my engine chirp issue fixed. They replaced the fuel pump, etc under warranty. However, I'm noticing very poor MPG since the fix was done. I used to get around 25 MPG on the highway. Now I get about 20! I used to get around 18 in my normal street driving but now get around 13!!! Anyone else have this issue?
 

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I'd give it a couple days of driving... I recently had some warranty service performed on a vehicle and my fuel economy tanked and the vehicle felt sluggish. A day later and things were back to normal.

If the ECU was reset, I think it does take a little bit to re-adjust.
 

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Discussion Starter · #6 ·
For the most part it did. However, the other day, I thought I heard it again....I'm going to pay attention to it and see if it comes back. I'll update if it does come back. I usually forget to check it in the morning.
 
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