I posted this question about hard start when engine hot on my 94 Sable. While checking for spark when the problem occurs, I noticed that the spark - it comes back every time- is white, never blue. Checked this today, when the car started with no problems every time, the spark was bright white. Is this an indication of something being off? Voltage lower than it should be? Maybe this hard start is somehow related to this.
Please comment.
Stan