A misfire in a modern computer control engine is not the same as a misfire in an engine that has a carburetor and a distributor. Misfires in those old engines could be traced to spark plugs, ignition cable, point or distributor. A misfire in modern computer-controlled engines means the computer has detected that a cylinder or cylinders are not producing the same amount of power as other cylinders. The computer can see the crank rotational speed when the cylinder fires. Fuel trim data can provide you with an insight as to how the engine is performing. If the computer is adding fuel to the fuel trim, it means the cylinder(s) is running lean. You will not be able to detect this condition without a scanner that can provide real-time data. Unless you like throwing parts at the problem, I suggest that you bring it to a tech that knows what they are doing.

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2006 Infiniti G35
2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD
Lotus Europa 1970 Destroyed by fire
Lotus Europa 1970 S2 Renault Powered
Lotus Type 52 1970 Twincam Webers Powered
PORSCHE 911 Targa 1982 The Garage Queen
Audi Avant donated to Kars for Kids
BMW 525IT Sold
Audi 4000CS Quattro Sold
Jensen Healey Lotus Powered Sold
Opel 1900 Sold
Triumph Spitfire 1971 Sold
Triumph Spitfire 1968 Sold
Plymouth "Cuda" 340 Six pack SOLD