SRT-4 L4-2.4L Turbo VIN S (2004)
Spark Plug: Description and Operation
The engines uses resistor spark plugs For spark plug identification and specifications, refer to Specifications
Remove the spark plugs and examine them for burned electrodes and fouled, cracked or broken porcelain insulators Keep plugs arranged in the order in
which they were removed from the engine An isolated plug displaying an abnormal condition indicates that a problem exists in the corresponding
cylinder
Spark plugs that have low mileage may be cleaned and reused if not otherwise defective Refer to the Spark Plug Condition section After cleaning, file
the center electrode flat with a small point file or Jewelers file. Adjust the gap between the electrodes to the dimensions specified in the chart at the end
by bending the ground electrode (just above the attachment weld) with the appropriate tool
Never apply any force between the electrode or damage to the center electrode assembly will result
Always tighten spark plugs to the specified torque Over tightening can cause distortion and damage Tighten spark plugs to 28 Nm (20 ft lbs) torque.
