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Message: <blockquote data-quote="cobrajeff96" data-source="post: 1581576" data-attributes="member: 29141">Fuel, air, spark.It's easy to test ignition components in these modular overhead cam motors with coil packs and the long wires. Just pluck the plugs and boots out of each bore one at a time, unhooking the fuel injector wire for that cylinder, and make contact with the plug's ground strap against some bare metal (you can very carefully jump a long wire to maybe make this process easier) while someone cranks the motor with the key. You can also just disable the fuel pump and dry crank the motor by using the ignition key as a pick to pull up on the red button inside the trunk (driver side rear, right next to the tail lamp) to lock out the safety intertia switch and the fuel pump should be disabled. Test each plug, you should see a big ass spark for each one.I would not recommend pulling injectors because a lot could go wrong.I'd say start with spark testing, then go from there. I've experienced it myself a few times when buying replacement ignition components for my old '96 4v motor. They just don't make 'em like they used to anymore. When you buy those things for these cars, especially in the aftermarket, it is quite literally hit or miss.</blockquote>