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Injection Cleaner

This is a discussion on Injection Cleaner within the Firebird / WS6 forums, part of the Vehicle Specific category; Ok i have read what yall have wrote. First just by looking at my MAF i can tell that the ...

  1. #21
    Member edrvsqz1980's Avatar
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    2000 Pontiac TransAm WS6

    Ok i have read what yall have wrote. First just by looking at my MAF i can tell that the screen has been taken out. I have to find the codes to write the exact thing, but it had to do with something being to rich. I have used CRC MAF cleaner like two months ago when i changed out my SLP lid because it was cracked. I had my mechanic change out my wires and spark plugs like three months ago, so that should be good. I havent really gotten any symptoms other than my exhaust pops when I just begin to run my car.

  2. #22
    Member edrvsqz1980's Avatar
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    2000 Pontiac TransAm WS6

    The codes are 0420 Catalyst efficiency low bank 1, P0174 Fuel trim bank two condition, The ECM has detected a rich or lean air.fuel ratio and P0171

  3. #23
    Member edrvsqz1980's Avatar
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    2000 Pontiac TransAm WS6

    One thing i forgot to mention is no i havent changed out my air filter, but i do have one that gets cleaned out a K&N filter.

  4. #24
    Veteran Hi-Po's Avatar
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    1999 TA WS.6

    Quote Originally Posted by edrvsqz1980 View Post
    The codes are 0420 Catalyst efficiency low bank 1, P0174 Fuel trim bank two condition, The ECM has detected a rich or lean air.fuel ratio and P0171
    Your Cat is going out - P0420.

    P0174 - Check for vacuum leaks. Mainly, the hose going to the intake manifold from the PCV. That hose likes to crack and will cause a vacuum leak. Maybe check that all the intake bolts are tight and torqued to spec. Could also try swapping the passenger side o2 sensor out to the drivers side, see if it follows it. Could always be the MAF reading, a general cleaning as described will fix that though. If you can get to a good scanner, that's the easiest way of checking the o2 sensor. Stay with the STOCK MAF. Do not swap them out for a aftermarket piece, even with a tune they have the reputation of still going out of calibration.

    I would check for a vacuum leak first.

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