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Old 02-21-2008, 04:01 PM
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richtazz richtazz is offline
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Re: 2002 Grand Prix Questions

Since you replaced the converter, try unplugging the Mass Air Flow sensor and see if acceleration improves. If it does, the MAF is bad. If that doesn't help, check the TPS (throttle position sensor) with an ohm meter for flat spots.
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