Question about 1998 Chevrolet Astro

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1998 astro sputtering when taking off and while at driving speed

104,000 miles I have replaced Plugs,wires,cap/rotor,coil,ignition module,fuel filter,air filter,EGR,temp sensor...still sputters at initial takeoff from stop,then at cruising speed,It runs fine under hard acceleration

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Loose vacuum line, check for same, also check the map sensor and the measure the fuel pressure, make sure its at spec

Posted on Jul 29, 2009

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