Runs rough then perfect


Asked by Oct 06, 2016 at 06:17 PM about the 1995 Buick Regal 4 Dr Custom Sedan

Question type: Maintenance & Repair

Car runs perfect then acts like it's running
out of gas then runs perfect again

5 Answers


Change fuel filter

Jason Zane

if still persisting after fuel filter change, then check sparkplug wires for arcing. replace bad wires.


Changed fuel pump, filter, idle control valve. This all started after replacing fan motor relays, coolant temp sensor and thermostat. Run fine for 15 minutes then acts like it is starved for fuel then runs fine again. Will air in system cause this?


Also had ignition control module checked. It was good

1 out of 1 people think this is helpful.
Jason Zane

i'm also wondering if it is bad gas.. i had that symptom in a company van. switched gas stations and it ran better.

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