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What would cause a random misfire in a 96 cutlass besides the coil packs and module?

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Wiki User
2005-10-19 06:04:15
2005-10-19 06:04:15

Possibly a sticky valve. Check each spark plug in turn. The plug or plugs which are on the affected cylinder will be a different colour than the others.

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Random misfire, cylinder 2 misfire, and cylinder 3 misfire. see related question below.

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Multiple cylinder misfire Detected ..

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Many possibilities. Plugs, plug wires, coil, ignition module, fuel injector, head gasket. Essentially anything that interfers with combustion on 2 or more cylinders.

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This just happenned to me. I was getting a code PO300. It turned out to be the ignition control module. It cost 78.00 at autozone and only took 10 minutes to replace.

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You could have plug wires going to the wrong plug on either end, it could be out of time. If the plug wires are ok and the misfire keeps up check your coil packs and ignition control module. If this is faulty or even if you have a loose connection (the wire harness is bolted to it) you will have a misfire, usually gives code for a random misfire in 6 or 4. from my experience.

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P0300 = Random/multiple misfire detected

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Most times the random misfire code comes up when the engine has a basic tune up issue. From most to least likely:Spark plugspoor or contaminated fuelPlugged fuel filter, but most cars of an era that will identify a random misfire will also flag a lean burn issueFrom there everything should set a specific code.

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The random module is used to generate random values or select items randomly. To begin using the random module you simply have to import it and use the corresponding functions that you wish to use. For example, if you want a random integer between 1 and 100 (inclusively) you would use the randint function. Another example would be if you need to select a random letter from the word "Wikianswers" you can use the choice function.

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The first step in resolving this problem will require isolating and diagnosing the problem(s) causing the misfires. These include the spark plugs, plug wires, ignition coils, and the ignition command module, among others.


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