What cause rpm gauge needle to fluctuating from1000 to 2000?
1998 chevrolet lumina 3.1L when driving down the highway sometime the rpm needle be fluctuating from 1000 to 2000 and when it do that the car be jerking and want to cut of and it may last for about 1 minute or less but it don't do that all the time just sometime i want to know what could be causing this problem please help me.
Cars & Trucks
Answers & Comments
Fuel filter,air filter,could be TPS sensor,crankshaft sensor.weak fuel pump.