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Stumble and rough idle

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Old 07-28-2015, 07:35 PM
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Default Stumble and rough idle
As the title says. Sometimes it's worse than other times. Any ideas
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Old 07-28-2015, 08:27 PM
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And you drive a what??

What have you done to help this cause yet??

Help us help you here, we have nothing to go off of.
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Old 07-30-2015, 05:09 PM
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Sorry guys its a 2000 chevrolet silverado with the 5.3
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Old 07-30-2015, 05:09 PM
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And have had a full service done
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Old 07-30-2015, 07:13 PM
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Do you have the ability to check your fuel trims? I would start out with the basics and make sure you have good plugs, no problems with the wires, no intake leaks, and that your MAF is clean.
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Old 08-02-2015, 12:29 PM
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Originally Posted by Gadgetized
Do you have the ability to check your fuel trims? I would start out with the basics and make sure you have good plugs, no problems with the wires, no intake leaks, and that your MAF is clean.
I do not. and I've just put new wires and plugs in it a month ago. I think I need to clean the MAF but not sure how
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Old 08-02-2015, 10:38 PM
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what plugs and what gap?
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Old 08-03-2015, 10:12 AM
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pull little vacuum hose off of fuel pressure regulator if it is wet your fuel pressure regulator is bad -
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Old 08-08-2015, 04:23 PM
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Originally Posted by terravast4
what plugs and what gap?
acdelco rapid fire and whatever they call for on gap Ive forgotten
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Old 08-08-2015, 04:23 PM
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Originally Posted by trxmxzx
pull little vacuum hose off of fuel pressure regulator if it is wet your fuel pressure regulator is bad -

Will try that right now
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