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Discussion Starter · #1 ·
Just bought this - needed something...

2012 - 1FL model
210k Miles
Had some check engine lights...
Misfire Cylinder 1 (Fixed)
MAP Sensor (Fixed)
Turbo boost sensor (Just fixed - erased code - nothing back yet)
Also replaced the Valve cover for the **** of it, as I've seen their prone to failure.

They told me the Transmission was replaced about 40k miles ago.
When driving (Warm - runs fine cold) The car will go to about 3500RPM then hang for a second before getting a big boost of energy, and shifting.
I assumed the Turbo Boost sensor would fix this - but it appears that it did not. This doesn't happen past say.. Gear 3, and driving in Manual mode makes no difference.
Any ideas?
 

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Administrator
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25,596 Posts
The Cruze does tend to shift at a high RPM. 1FL is the Fleet version of the 1LT, but it doesn't normally contain On-Star.
 

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Administrator, Resident Tater Salad
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17,352 Posts
Change the fluid. 45k is about as long as you should go on a transmission fluid change.

If you're running 87 in summer months, you may feel the surge of power when the engine stops pulling timing at higher RPM (the 1.4T SEVERELY detunes low end power to avoid knock on low octane). Try 89/93 and see if it improves power delivery.
 
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