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1990 1500 Truck: RPM's Drop...

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Old August 11th, 2015, 1:11 AM
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Default 1990 1500 Truck: RPM's Drop...
Hello. I have a 1990 Chevy truck 1500 that idles fine but periodically drops RPM's then comes right back to normal idle. Any suggestions on the cause? thanks...
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Old August 15th, 2015, 4:11 PM
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Could this be a sign of a partially clogged fuel filter?
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