1994 GMC TRUCK 5

1994 GMC Truck

Tiny

Anonymous

January, 19, 2013 AT 11:56 PM

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.

FOUND 1935 RELATED QUESTIONS

1 Answer

Tiny

hmac300

January, 19, 2013 AT 11:59 PM

Check with choke spray under tbi unit in back they blow gaskets there. If rpm changes it's blown.

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