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Hot start problem

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Old May 8, 2012 | 03:41 PM
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crw41's Avatar
crw41
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Default Hot start problem
2007 with 15K miles.

New battery last month.

Cold start - no problem.

Hot start - engine cranks 3 to 4 times then starts (slight hesutation or delay).

Any ideas - sensor, relay?
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Old May 8, 2012 | 05:06 PM
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Mass air flow sensor. They get contaminated especially with an oiled air filter.
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Old May 8, 2012 | 05:07 PM
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Originally Posted by crw41
2007 with 15K miles.

New battery last month.

Cold start - no problem.

Hot start - engine cranks 3 to 4 times then starts (slight hesutation or delay).

Any ideas - sensor, relay?
starter to hot ? or fuel vapor lock
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Old May 8, 2012 | 06:45 PM
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Exact same symptoms on my car and it turned out to be the fuel pump.
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Old May 9, 2012 | 11:13 AM
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crw41,

I'm sorry you're having this issue. Have you taken your vehicle into the dealer to have this issue diagnosed yet?

Evan, Chevrolet Customer Service
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