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Dawgbuddy
New User
| Posts: 3
| Joined: 06/09
Posted: 06/26/09
07:50 AM
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I have been having an issue with my Suburban engine shutting off at varying speeds. It started out only happening after the engine had run for a couple of hours but now it will cut off after only 20 - 30 minutes. I have the 5.3 liter engine. I know that the 6.1 liters had this same problem and it was an ignition sensor. Anyone with the 5.3 engine having these same problems?
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waynep712
Enthusiast
| Posts: 652
| Joined: 10/08
Posted: 06/26/09
09:48 AM
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did the check engine light come on after the restart and stay on???
most failures like you describe will set a trouble code...
with a scan tool... you can see many failures...
i wonder if the ignition switch may be going bad...
so many things... have someone scan it...
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Dawgbuddy
New User
| Posts: 3
| Joined: 06/09
Posted: 06/26/09
10:38 AM
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They haven't been able to pull any codes. Check engine light doesn't come on afterwards. Thanks for the reply.
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jnol250
New User
| Posts: 1
| Joined: 06/09
Posted: 06/28/09
08:58 AM
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I'm having the exact same problem with my
2002 Suburban 5.3. It acts like the fuel just shuts off but i don't know if its the fuel pump.
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Dawgbuddy
New User
| Posts: 3
| Joined: 06/09
Posted: 06/29/09
04:14 PM
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Have you had the fuel pump changed out?
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Posted: 07/06/09
09:05 PM
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I have a 2002 Chevy Suburban 2500 with the 8.1, and I just started encountering the engine shut off during driving. It all started around 95K. I just turn 100K and had the 100K service, everything check OK, no errors in log. The first time it happen I thought it was the fuel filter, but I was told that mine does not have one.
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Posted: 07/21/09
07:25 AM
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For me it was the fuel pump . After having it changed...it has been fine .
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