Cadillac STS Ignition

Oil Leaking Into Cylinder Number Three, Burning The Spark Plug. Smoke Coming Out Of Exhaust (mostly On Startup And Accelerating), Not Losing...

Replaced All 6 Coils And Plugs But Service Engine Light Wont Go Off Showing All 6 Codes P0351,p0352 Etc.

Starts. Rough Then Shuts Off Two Seconds Later. I Had A P0206 Code. Replaced Coils And Spark Plugs And Injectors. The Vehicle Ran Great...

I Just Did A Timing Chain On On My Car, Changed Water Pump, Oil Pump, Thermostat, New Belts, Chains, Tensioners, Sprockets. I Put It All...

I Just Got This Nice Sts. I Was Wanting To Replace The Plugs. For Bettet Proformace/fuel Econ. My Car Have The Carbon Fiber Engine Cover. I...

I Changed My Spark Plugs, Ignition Coils, Radiator, And Mass Air Flow Sensor And Car Started Up Fine 3 Times. I Went To Out The Battery...

When I Star The Vehicle I Can Hear Like A Riddling Noise Coming From The Front Of The Motor. Same Noise Before I Replace The Timing Chains...

The Car Runs Perfect After I Changed All 6 Coil Packs And Spark Plugs 2 Weeks Ago.and Then All Of A Sudden Im Getting A Missfire In One Of...

Y I Had My Car Hooked Up While At Auto Zone For A Sevice Engine Soon Light And It Came Back Saying It Had A Cylinder 4 Misfire And I Started...

My Question Is Why Is My Car Running Like If Is Missfiering?? What Should I Do Now? Is It Because I Just Change One Of Them? Hopefully...