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Old Jun 5, 2010 | 08:34 PM
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i hav 99 lq4 truck, when i give it gas when i goin highway speeds the truck starts to bog lik it not getting air then goes, it also sounds lik a miss, my friend said it could be the mass air senor, thanks
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Old Jun 6, 2010 | 10:38 AM
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unhook the MAF sensor and drive, if it runs better then its most likly the sensor.
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Old Jun 6, 2010 | 05:30 PM
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ok ill try this, my friend told me to do this also, thanks
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Old Jun 6, 2010 | 11:31 PM
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You can also try cleaning it. Go to an auto parts store and buy some MAF cleaner.
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Old Jun 7, 2010 | 02:19 AM
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ive tried that, an other thing i forgot to say, my wiring for the maf has been mixed up, my friend pulled all five wires out of the connector n did tell me

so i found out later when the truck keep running sick, saw the wires out i looked up wiring online in books, but all dont seem to work
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Old Jun 7, 2010 | 08:21 AM
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check you fuel pressure during a drive. You may have a pump on it's way out.
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Old Jun 7, 2010 | 05:56 PM
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i changed the pump almsot a year ago, but ill check that out too thanks
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