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Fisrt check for Codes by using a GM code reader($20 from Walmart;comes with instrutions-plugs in next to fuse panel under the driver side dash; If no codes... You might start with checking: the Distibutor module and the rotor; on the rotor check for fit and to see if the contacts have been eroded; also have someone check the fuel pump pressure and check to see if fuel filter is clogged; your might also check the ignition timing;

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โˆ™ 2004-11-12 14:22:47
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Q: What would cause a 1985 Chevy Cavalier 4 dr sedan to lose power and at times only go 30 mph?
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