Odd moment with the turbo (2017 453) - Smart Car Forums
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post #1 of 4 (permalink) Old 09-10-2019, 07:50 AM Thread Starter
 
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Odd moment with the turbo (2017 453)

The turbo on our 453 had an odd moment . Left home and the car was fine , stopped for fuel ( 91 octane ) and proceeded on the drive , came to a mountain and felt no turbo action . Had to downshift to 2nd to make it over the mountain , car was just a 3 cylinder non-turbo motor . Stopped at the base of the mountain and opened up the motor access , I found proper oil level and checked for any loose connections or anything out of place , found nothing . Started up the car and the turbo was doing it’s job again . Put in a 230 mile day without one hiccup . Question is has this happened to anyone else , question 2 was this in relation to the blowoff valve being in an “open “ condition and bypassing any turbo boost to the cylinders ? Question 3 Is this valve electrically controlled ?
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post #2 of 4 (permalink) Old 09-10-2019, 10:14 AM
 
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Truly weird! So far after almost 4 years and 30k miles I have never experienced that. Surprised it had such little power, wonder if it was something else?
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post #3 of 4 (permalink) Old 09-10-2019, 12:51 PM Thread Starter
 
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Our 453 has 18,000 miles on it . Normallly with the LORINSER exhaust , I can hear the turbo pushing extra pressure into the cylinders because the air really pours out the exhaust , that noise stopped and the lack of turbo boost was very evident . . I’m going to send a note to SMART USA to see if they have a direction I can go in their Tech Dept .
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post #4 of 4 (permalink) Old 09-11-2019, 02:46 AM
 
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Yeah.... nearly 4 years and over 70,000 miles, nothing like that has happened to me yet, knock on wood. Hope you can find an answer somewhere.
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