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Message: <blockquote data-quote="jmeador88" data-source="post: 943519" data-attributes="member: 13722"><p>Well, my girlfriend has a 02 gt auto, 105k, only mods are bbk cai, and flowmaster with o/r hpipe.  Well ever since she has had it, it seems like when it would get in a higher gear at low rpms it would sputter some. But the harder you ran it the better it ran.  Well here recently it started doing it very bad, I was and still am certain that is at least one coil pack.  I changed all of the sparkplugs and boots, and hooked a scan tool on it.  Only thing that I get is the Keep Alive Voltage too low, I have researched and researched this and understand that is a constant voltage to the pcm that keeps it from losing memory.  Well I have checked the battery and alternator and all of the fuses everything checks out good.    So at the time that I changed all of the plugs and boots, i went ahead and cleaned the MAF and the sensor in the intake tube right above the maf.  I cleaned them with MAF cleaner.  Now all of a sudden the car has a "loping" idle and will almost push through the brakes when in drive.  I checked everything, connections, vacuum  lines. ect...  I am lost, I am pretty sure that I am the cause of the bad idle problem, but can not figure out the low rpm miss.. Any help is appreciated,  Thanks.</p></blockquote><p></p>