1998 Buick Park Avenue Q&A

1998 Buick Park Avenue Question: we replaced the fuel filter, and the fuel pump and my car still lunges going

down the road. it died at the stop sign finally got it going then it lunged and rpm's kept going up and down. HELP could it be theOBD II(on-board diagnostics-second generation) computor? the service engine light comes on. -
Answer 1
Was the fuel pump replaced before or after the symptoms started? Does it idle ok as long as it's in park? Reply with an answer and we can be of more assistance , maybe. -