I have a shudder when I start my 93 olds 98 touring sedan supercharged. This only lasts for 1-2 minutes then idles fairly good. It also shudders when I accelerate. I have replaced plugs and wires, TP sensor, IAC valve, MAF sensor, a bad injector and the fuel filter. Please help. Thank you.
Tuesday, March 26th, 2013 AT 4:47 PM