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2003 silverodo wont run on its own have to hold gas to1000…

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2003 silverodo wont run on...
2003 silverodo wont run on its own have to hold gas to1000 rpm to keep it running. Replaced fuel pump,fuel filter, mass air flo sensor. Run diagnostics before mass sensor after pump and filter change. Said multiple miss fire. Replaced mass sensor now wont read no codes but check engine light is still blinking and still wont run on its own
Submitted: 2 years ago.Category: Chevy
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Answered in 10 minutes by:
3/4/2016
Chevy Mechanic: Tim's Auto Repair, mechanic replied 2 years ago
Tim's Auto Repair
Category: Chevy
Satisfied Customers: 16,247
Experience: Have owned a repair shop for 25 yrs.
Verified

Hi, My name is ***** ***** for the delay.

I will do my best to assist you.

the engine light is blinking,yest it doesnt give a code?

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Chevy Mechanic: Tim's Auto Repair, mechanic replied 2 years ago

is the 300 code the only code you got earlier?

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Chevy Mechanic: Tim's Auto Repair, mechanic replied 2 years ago

how and when did this problem first begin?

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