1987 Pontiac 6000 sputtering

1987 PONTIAC 6000
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KNOPF
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Engine Performance problem
1987 Pontiac 6000 6 cyl Front Wheel Drive Automatic 100.75 miles

Two part question:(1) When driving from 0-25 nothing, but at 30-35 it starts to sputter, at 40 & above it stops any suggestion.(2) When the gage is on one fourth of a tank and i start to brake then the gage goes to e and back and the vehicle shuts off it can be restarted immediately,on a full tank it does not happened.What help can be done?. Thank you.
May 19, 2010 at 7:32 PM
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HMAC300
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your fuel pickup may have broken off and is just laying in the tank. check your fuel pressure to see if it's high enough, it should be at least 40 p.s.i. Also check your vacuum, if it's low you may have a plugged converter.
Jun 8, 2010 at 6:21 PM