2002 Chevy S-10 Engine hesitates

2002 CHEVROLET S-10
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BELECTRIC81
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Engine problem
2002 Chevy S-10 V6 Four Wheel Drive Automatic 150000 miles
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At idle the engine runs fine but when you start to drive it, it starts to hesitate, the rpm's jump up and down and it don't go away, no check engine light is on, its been going on now for a couple months and is getting worse, tried to clean intake witch was dirty and it helped a little for a couple days and now its back again.
Dec 7, 2007 at 5:46 PM
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INTERNETWRENCH
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Possibly might be the multiport injector assy. There is a TSB on this. You can see the header information out at alldata.com.
Dec 13, 2007 at 9:42 PM
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STRAILER
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I would change out the fuel filter on the left side frame rail, here is the location and how to do the job, also here is a guide for you to go over.

https://www.2carpros.com/articles/engine-hesitates

Check out the images (below). Please let us know what happens.

Jul 17, 2024 at 5:29 PM
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