1996 caddy 4.6 northstar wont start up on cold days cranks and cranks then starts on warm days starta write up

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2007-01-22 08:26:57 · 3 answers · asked by william g 1 in Cars & Transportation ➔ Car Makes ➔ GMC

Most common on this year is a sticking egr valve, but you could also have a fuel pump bleeding off pressure.

2007-01-22 13:00:26 · answer #1 · answered by franklinbud8 3 · 0⤊ 0⤋

Check the top of the coil for a crack.
Moisture getting into the coil can ground it, not sending power to the plugs.

2007-01-22 17:08:38 · answer #2 · answered by Bob L 7 · 0⤊ 0⤋

has it ever been tuned since 96

2007-01-22 16:32:54 · answer #3 · answered by Anonymous · 0⤊ 0⤋