1994 Gmc Truck 5 7 Sputters On Acceleration Idles Fine New Cap Rotor

100 MILES
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1994 gmc truck 5.7, sputters on acceleration-idles fine. new cap,rotor, distributor, plugs,coil, wires, temp sensor, fuel pump. fuel pressure checks out, relay checks, timing is close, no frayed wires. egr?

it did this previous to installing new parts. when i finally replaced ignition module in distributor, stopped sputtering, but eventually came back. just replaced distributor, still does it, but runs much stronger and sounds much better at idle.
Jan 19, 2013 at 3:56 PM
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HMAC300
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check with choke spray under tbi unit in back they blow gaskets there. if rpm changes it's blown.
Jan 19, 2013 at 3:59 PM
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