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1998 350 cutout at highspeeds tbi

T

timboyer

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"I have a 1998 malibu with a 3

"I have a 1998 malibu with a 350 throttle body injection. Starts perfectly but will randamly cut in and out at high middle to high speeds, to compensate i feather the throttle and normaly achieve the speed I want after I have given it time to catch up. Have changed water seperator and plugs. No change. acks like a lack of fuel. could it be ignition module related"
 
"Was there water in the separa

"Was there water in the separator? Fuel pump could be worn and not able to keep up w/fast throttle but can when you "feather the throttle...give it time to catch up". I think the module would act up in all RPM ranges if it was failing. The engine would stall, backfire and stumble."
 
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