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Stephendoherty62

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  • Posts

    5

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Previous Fields

  • Your Pathfinder Info
    2001, 153,000 miles
  • Mechanical Skill Level
    Wrench And Socket Set Mechanic
  • Your Age
    40-45
  • What do you consider yourself?
    Weekend Warrior
  • Model
    LE
  • Year
    2001

Profile Information

  • Location
    United States
  • Country
    United States

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  1. Stephendoherty62
    Would a 03 Maxima SE have the same MAF sensor? I have a friend who is not using his?
  2. Stephendoherty62
    I cleaned the MAF sensor with an MAF cleaner and I never had the DTC P0420 on the other bank. Would it not be the case that if it was a bad MAF sensor, that it would affect both sides of the engine and I would have gotten the P0420 code? The dealership had diagnosed a new MAF and said it may also need a new cat, All of which are expensive along with other recommended fixes. Of course they would say that, if they fix everything that could be wrong it would cost more than the car is worth. I would like to try and narrow it down to the specific cause and fix that. Is there anyway to know for sure if it is the MAF sensor or the Cats, or both?
  3. Stephendoherty62
    While investigating a cause for the P0430 failure, I discovered the TSB on the web and had taken my pathy to the dealer to diagnose. They ran the Consult II and showed me that the upgrade had been done earlier prior to my ownership. I cleaned the MAF and sealed the air filter and cleared the code, that was over 500 miles ago. The catalyst monitor has still not reset. Would deterioration of the MAF affect resetting the Catalyst monitor? The reading for the s fuel trim was at 81% and according the dealership, it should be 100% +/- 10. Does this affect the catalyst monitor. Lets be clear, I do not have any DTC codes since clearing them over 500 miles ago.
  4. Stephendoherty62
    I have gone that route already, I do have the latest ECU flash
  5. Stephendoherty62
    I am having the worst luck trying to get my emissions inspection to pass in St Louis Missouri, I had a P0430 DTC which caused a failure. I cleared the code and it has not come back since, ( about 300 miles of driving) The problem is that the catalyst readiness monitor has not reset. My question is, a)is the P0430 code not returning because the catalyst monitor needs to be ready. Is the catalyst monitor not resetting because the cat is bad. If it is the cat that needs replaced, is it the Pre-cat on the drivers side, LHS USA or both pre and post drivers side. My licence tags are expired and I cannot register my vehicle until it passes inspection Please help Steve
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