I read a post in this group not too long ago where the person would pump the pedal a few times and then hold it partially depressed during the crank (glow plug cycle has ended ie.. light has gone off).

I tried this on a 25F day and the car started as if it was a warm summer morning.

Can some one expound as to what the function of the glow plug is: it is understood that the tips are like little heating elements which glow but are they supposed to warm the air/fuel mixture which enters the chamber or are they supposed to marginally increase the temp of the combustion chamber until the combustion process starts up?

Would driving slow increase the amount of soot deposits in the glow plug area, and does hard driving clear these deposits?

I have heard of gas cars needing propane treatment to remove carbon deposits or so the dealer said.

Thanks

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