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2007 C6 starts and immediately dies

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Old Oct 19, 2024 | 08:17 PM
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Default 2007 C6 starts and immediately dies

Hello I have a 2007 Chevy Corvette C6 LS2. It starts immediately shuts off and it takes about 20 seconds with the ignition in the off position and I can start it again and then it shuts off after about 3 seconds. Once in a while I can give it some throttle and it'll stay running for a minute and then shut off. When it is able to stay at an idle for about a minute I can't give it any throttle it just idles. I tried replacing the fuel pump relay and it didn't do anything different. One thing that did happen is I started getting a big battery drain and I have to leave my car on a battery tender so I didn't have to jump start it. Would take about 5 days to drain the battery I'm not sure if this is related but it started around the same time. There is no codes that I can pull with my scanner.

Here's a video that I uploaded to YouTube just click on the link and you can see what the car is doing it's like a 2-minute video I made.

https://youtu.be/TOlB70m_cxQ?si=d-vlTxyOW4v-rR46

Any and all help is appreciated Also there is no codes

Last edited by Corvetteguy916; Oct 19, 2024 at 08:52 PM.
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Old Oct 19, 2024 | 08:45 PM
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Originally Posted by Corvetteguy916
Hello I have a 2007 Chevy Corvette C6 LS2. It starts immediately shuts off and it takes about 20 seconds with the ignition in the off position and I can start it again and then it shuts off after about 3 seconds. Once in a while I can give it some throttle and it'll stay running for a minute and then shut off. When it is able to stay at an idle for about a minute I can't give it any throttle it just idles. I tried replacing the fuel pump relay and it didn't do anything different. One thing that did happen is I started getting a big battery drain and I have to leave my car on a battery tender so I didn't have to jump start it. Would take about 5 days to drain the battery I'm not sure if this is related but it started around the same time.

Here's a video that I uploaded to YouTube just click on the link and you can see what the car is doing it's like a 2-minute video I made.

https://youtu.be/TOlB70m_cxQ?si=d-vlTxyOW4v-rR46

Any and all help is appreciated
You have code(s) set. What are they? The REDUCED ENGINE POWER warning and your other symptoms suggest fault(s) with the gas pedal encoder and/or throttle body. Next step is to read the codes.
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Old Oct 19, 2024 | 08:53 PM
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Originally Posted by torquetube
You have code(s) set. What are they? The REDUCED ENGINE POWER warning and your other symptoms suggest fault(s) with the gas pedal encoder and/or throttle body. Next step is to read the codes.
I updated the forum I can't pull any codes with my code reader it's not showing any.
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Old Oct 20, 2024 | 09:00 AM
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Fuel; filter or pump.
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Old Oct 20, 2024 | 09:34 AM
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We had a member on here with a similar issue and found out it was a defective MAP sensor…since you have a scan tool see what your MAP sensor reads engine off ignition on…it should read about 101 kPa or 14.7 psi at sea level…MAP sensor may be skewed.
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