My van runs rough while in gear and sputters when accelerating, but idles fine in park. It has a 5.0 V-8 and 4 speed transmission. Any idea what could be going on?
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Asked by bgddyd Apr 16, 2015 at 05:53 PM about the 1990 Chevrolet Sportvan 3 Dr G20 Beauville Passenger Van Extended

Question type: Maintenance & Repair

1984 is the year it wouldn't let me
select that old below

6 Answers
144,755

T_S_T answered 9 years ago

Check the spark plug wire, and plug,s,then check the distributor cap and button.

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bgddyd answered 9 years ago

If that was what's going on wouldn't it idle rough too?

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bgddyd answered 9 years ago

What about maybe the floats? If the carb was out of tune would it do the same?

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20

bgddyd answered 9 years ago

It also idles rough at a stop while in gear but not park

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