I have 98 Volvo V70 awd I have been experiencing sputtering, when I accelerate from a stop, and sometimes as I slow down. I changed the Mass Flow sensor, added fuel injector cleaner, and car seem to drive fine. Once it heated up and I came to a stop, the sputtering began again. I turned my car off waited about ten minutes, started it back up, and drove it home. I have purchased a fuel filter and pump and plan on checking injectors in the morning. Any other suggestions?
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Have you checked the spark plugs? – Lawrence Feb 28 '19 at 05:58
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Have you done a full service lately? or when was it last serviced? Air filter? – Solar Mike Feb 28 '19 at 10:04