<font face="Arial, Helvetica, sans-serif">94 c 280 stalls while driving or at idle for long periods of time. it happens mostly after filling up gas . car will not start up right away , i need to crank engine 5 or 6 times before car will start. does any one know what the probelm is? </font>

 

You believe you might clean your gas filter. In the gas tank there is some dirt at the bottom and filling gas is mixing this in the new gas. After a while this sinks down again and the gas is 'clear' again.