Throttle won't go above 20%

ban25

Was it purely the throttle or were you limited in RPM? Could have been limp mode, especially if it went away when you restarted the car.

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2017 Corvette Z06 7MT | 1LE | Stage 3 | DSCSport

Brad370

It was purely throttle. I could get the car to red line if I wanted, but it took a while since I couldn't go wide open on the throttle.

My filters are the dry type so this shouldn't be an issue.

I just checked for pending codes and there were 2:

P0101 - Mass Air Flow "A" Circuit Range/Performance
P010B - Mass Air Flow "B" Circuit Range/Performance

So I'll check all the wiring, clean the sensors, and check for leaks in the stillen G3 tubes.

bluebadge

Sorry to sound a bit dim, but what do you mean by "Pending" codes. I understand that when the check engine light comes on it will show a code on a reader. But what does Pending mean? My cel is not coming on when I have this issue.

SouthArk370Z

Pending codes and DTCs? | www.faultcodereaders.com

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bLKchry370z

did it happen to rain the night before this happened? I have the same issue when it rains and leave my car outside. I found that the driver's side air filter gets soaked with water and it throws the car into a limp mode and gives me a very similar, if not identical issue. only way to know is to check the filter or pull the maf sensor and check for moisture.

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Current Cars:2014 370z, 1988 Suzuki Samurai (mint)
Past Cars: 2006 IS250, 2007 Scion TC (boosted), 2003 Civic SI EP3 and the list goes on...

Brad370

If my memory is correct, I didn't drive it at all the day before and it wasn't raining the day it happened. I've never had any problems with moisture in my filters.