Can I drive the car if the plugs are covered in oil?
Documented on the 2012 Ford Mustang GT build
Published February 26, 2026
You can drive short distances, but driving with oil-fouled plugs risks misfires, rough running, and catalytic converter damage.
Full Answer
You can drive short distances, but driving with oil-fouled plugs risks misfires, rough running, and catalytic converter damage. It's best to diagnose and fix the leak and replace contaminated plugs before extended use.
Documented In This Build
Related Knowledge
What causes oil to fill the spark plug wells?Do I need to replace the ignition coils too?Is this an expensive repair?How long will the repair take?How do I know if the PCV grommet is bad?What torque should I use for the coil mounting bolt?How often should I clean the fuel injectors?Can I use a pour-in fuel additive instead of an inline cleaning kit?
Related Parts
Dielectric grease
$6
Valve cover gasket set with spark plug tube seals
Motorcraft (typical OEM for Ford) / aftermarket equivalents$75
Spark plugs (set of 8)
NGK / Motorcraft$90
RTV silicone sealant (small tube)
$5
Engine degreaser / shop towels
$10
Related Tools
Torque wrench
Socket set & ratchet (including 10mm, 8mm, extensions)
Spark plug socket (5/8" or 13/16") with extension and swivel
Flat screwdriver / gasket scraper
Shop vacuum / compressed air
