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2001 GMC Sonoma Question: what is a cold start mecanism



hotsprings, Zion, IL, April 12, 2013, 07:46

Can the cold start be disconnected without harming engine of a 13 year old sonomq pickup?
I have added a bottle of heat to a full tank of gas and the engine still makes chugging sound when started and some what after it warms up.

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  • Answer #1

    arturo08 April 13, 2013, 00:00

    review when last tuned. it may be due.
    rec. fuel system clean. ethanol treatment to 1 tank of premium.

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    hotsprings, April 15, 2013, 08:36

    Thank-you arturo08 will try ethanol treat/premium and take it from there.

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