Spark Plugs and Wires
Mercury Grand Marquis
2000-2005 Dodge & Plymouth Neons
Car Stalling Problems

Why my 1993 grand marquis would not crank after replacing oil pan and spark plugs?



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The oil pan wont make any difference in that unless you have disconnected the engine ground. Your question suggests that the engine wont crank which to a mechanic means that the starter wont engage, I am thinking that you mean that it wont fire or start in which case recheck your plug wires to be sure they are in the correct order, many people mix them up when changing, and make sure you push them onto the plug completely till they click ( you can feel or hear the metal inside the plug wire end go over the plug tip). and be sure the plugs are gapped correctly, they dont come gapped for your vehicle right out of the box.