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Where is the ignition module on a 91 Pontiac Sunbird 3.1 V6?


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2005-01-05 10:38:52
2005-01-05 10:38:52

On the bottom side of the engine( front of the car) just below the exhause manifold. It is easiest to remove the mounting plate from the body of the engine, as balancing the coils on the module as you remove and insert screws if a real pain in the but. If anyone has any suggestions on waterproofing this area, I would greatly appreciate it, as I have gone through three of these modules in three years due to water getting into it and shorting the module out. This last time it was a coolant leak around a seal on the top of the water pump, spraying right into the module that caused it. Argh!


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I have a 1990 Pontiac sunbird and i was only able to find one, it was behind the exhaust manifold on the block. I myself am having problems finding the other. I hope this helps.

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I've replaced one before, you don't need to lift the engine, but there is some there is some crazy angles to work with.

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engine off and ignition on: 23 to 31 psi engine at idle: 13 to 20 psi

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if you have the module off take it to a parts store(autozone/advanced auto,or whatever you have around your location) they should be able to test it for free. you may also want to check your pick up coil/coil and distributer.

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no it was Defunct October 31, 2010

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