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jessiejames
New User
Feb 12, 2012, 2:47 PM
Post #1 of 7
(5933 views)
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ROUGH ACCELERATION
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my 93 GMC dully has a 350 gasoline engine 5.7L, new plugs, fuel filter, carb fuel filter, wires and the cap and rotor seem fine,, it starts fine and idile's good. When you try to accelerate it will not move up in rpm,Its just runs really rough,,,and will not gain power. Sometimes the problem is there right away,,sometimes you can drive for 45 mins with no problem. Gasoline antifreeze has also been tried. The EGR valve is fine, the choke is not sticking. As I mentioned,it starts and idile's very smooth with no problems. This problem just started to occur and the truck had no issues up until a trip home yesterday when it decided to start acting up.
ThankYou for any help.
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Hammer Time
Ultimate Carjunky
/ Moderator
Feb 12, 2012, 3:12 PM
Post #2 of 7
(5901 views)
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Re: ROUGH ACCELERATION
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Is the check engine light coming on at all?
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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jessiejames
New User
Feb 12, 2012, 3:17 PM
Post #3 of 7
(5895 views)
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Re: ROUGH ACCELERATION
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Its always on.It has been on for 2 years since I changed engine
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Hammer Time
Ultimate Carjunky
/ Moderator
Feb 12, 2012, 3:20 PM
Post #4 of 7
(5892 views)
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Re: ROUGH ACCELERATION
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I can see I'm wasting my time here. If that's the way you maintain your car, there's nothing we can do for you.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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jessiejames
New User
Feb 12, 2012, 3:27 PM
Post #5 of 7
(5888 views)
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Re: ROUGH ACCELERATION
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ok thanks for nothing
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Hammer Time
Ultimate Carjunky
/ Moderator
Feb 12, 2012, 3:31 PM
Post #6 of 7
(5881 views)
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Re: ROUGH ACCELERATION
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Sure, anytime................. I hope you take care of your family better than your car.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Discretesignals
Ultimate Carjunky
/ Moderator
Feb 12, 2012, 4:33 PM
Post #7 of 7
(5862 views)
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Re: ROUGH ACCELERATION
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That's strange. It being a 93 it should have TBI.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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