When cold

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Rods Bowtie

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Joined
Apr 29, 2018
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Hello All

Hoping to get some help with my issue. I have a 2000 Tahoe 5.3L 4x4 and my issue is hard start when cold takes me a couple of times to get it kicked over. Then if cold it hesitates when taking off. I have done the plugs,tps, cleaned tge mass flow sensor and change out the fuel presure regulator.

Thank you
 
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