Should I be building pressure on #1 Cylinder as my timing marks align?

10

Asked by Feb 14, 2016 at 02:57 PM about the 1999 Chevrolet Silverado 1500 3 Dr LS 4WD Extended Cab SB

Question type: Maintenance & Repair

1 Answer

104,595

If the cylinder is approaching TDC on the compression stroke then it will be pushing air out of the spark plug hole.

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