The las three times I have filled up.

MYTLARRY

MEMBER
2006 CHRYSLER 300
145,000 MILES

The las three times I have filled up, immediately after words the car stutters, misses and dies for the first mile or two. Is removing the gas cap to fill up the gas tank causing a loss of vaccuum or something that then corrects itself as I put a mile or two on the car?

6 Replies

WRENCHTECH

MECHANIC
20,761 POSTS

You may have a fuel pump starting to fail. You would have to monitor the fuel pressure with a gauge during this period to find out for sure.

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Wednesday, October 24th, 2012 AT 10:03 AM

MYTLARRY

MEMBER
3 POSTS

Fuel pump? I thought thechrysler 300c has a fuel injector, not a pump?

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Wednesday, October 24th, 2012 AT 10:06 AM

WRENCHTECH

MECHANIC
20,761 POSTS

Yes, it has both. The injector times the squirt into the cylinder but the fuel pump maintains pressure to the injector.

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Wednesday, October 24th, 2012 AT 10:10 AM

MYTLARRY

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3 POSTS

Great. Thanks for the fast resonse. I am going to take it to the Chrysler dealer and have him replace it, unless you think an independent can do the job as well for less money?

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Wednesday, October 24th, 2012 AT 10:13 AM

WRENCHTECH

MECHANIC
20,761 POSTS

Nobody suggested to simply replace the fuel pump. My advice was to test the fuel pressure during the failure to find out if that is the problem or not.