V6 1990 engine idles fine up to 2800 rpm,surges after that. on 1990 Toyota 4Runner

Replaced fuel pump,filter,and mass airflow sensor,scratching my head need answers soon.

by in Rocky Mount, VA on March 20, 2012
1 answer 4 comments
ANSWER by on March 20, 2012
IS THE CK ENG LIGHT ON?
COMMENT by on March 20, 2012
no light.This happened all of the sudden after filling up with good high test gas.truck ran fine before that.sorry to sound short but this prob is keeping me from a new job out of town.I'm a motorcycle tech that's why this bothers me,when I don't understand something.This is my first toyo,I'm a chevy guy. Help is much appreciated.
COMMENT by on March 20, 2012
DID YOU HAPPEN TO GET A LOAD OF GAS WITH WATER IN IT?
COMMENT by on March 20, 2012
Drained all new gas tried quarter tank after new parts.Please help
COMMENT by on March 21, 2012
have someone with a scanner read the live data stream and see whats breakind down,
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Replaced fuel pump,filter,and mass airflow sensor,scratching my head need answers soon.