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kn filter

  1. 01-04.5 LB7 Duramax Powertrain
    i have a 01 duramax that is blowing whitish colored smoke from the tailpipe it has been doing it for probably 20-30,000 miles. It has a real strong smell of exhaust fumes also. I think the injectors were replaced at 120000 miles along with the head gaskets. If you guys have any ideas what...
  2. 07.5-10 LMM Duramax Powertrain
    Im getting this code it only happens at idle with a/c on. The truck is stock except for a k&n air filter i put on it 6 months ago. I had a local parts store check the code it came up P0101 maf or vaf a ckt range/perf. First time it happened the dash dic said reduced power i had to drive for a...