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Discussion Starter #1
My sister drove her 2013 Chevy Malibu LT through a large body of water during a rain storm and it shut off. The fuel pump is not turning on, checked fuel pump fuse and relay and they both work....cannot find the emergency shut off switch, what are other reasons or solutions for this problem?
 

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2011 Malibu LTZ 3.6L V6 Red Jewel Tintcoat
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There is no emergency shut-off switch.

The deep water may have gotten into the air intake and drown the air filter, choking off the engine. Pull the AF and check the filter box as well as the intake tube. If there's any water at all in it, take the intake tube off and make sure to drain all of the water and dry it completely. Also, replace the AF.

Find the fuel rail and carefully test the pressure after it has been sitting for a few hours, then again after the system primes itself.

Turn the key to the on position and listen for the pump to prime the system for about 2 seconds. If you hear it, then the pump is working.

Check for any trouble codes and share those with our members.
 

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Discussion Starter #3
We took everything out and let it sit out to dry, there was definitely water in the air intake and the filter was soaked. Where is the fuel rail located?
 

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2011 Malibu LTZ 3.6L V6 Red Jewel Tintcoat
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Find the fuel injectors, then follow the hard lines back to a common rail. On it you'll find a Schrader valve, just like on a tire. That is the fuel rail.
 
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