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  1. TomJ

    93 Corolla mystery problem. Please, help!

    It's a 93 dx 1.8 liter automatic tranny. It is time for inspection to get the tag renewed. The problem is all of a sudden, the car started smelling like unburned gas, like it was running way too rich. Checked spark plugs they where covered with black soot. Replaced the plugs. Check all four...
  2. TomJ

    Code: P0171 Bank 1 "System too lean" What does it mean?

    Thank you Harry. I checked my vacuum lines and didn't notice any obvious "leaks" but the lines were old and hard as rocks so I replaced them. The check engine light went off and hasn't come back on so far. I appreciate your suggestion.
  3. TomJ

    Code: P0171 Bank 1 "System too lean" What does it mean?

    Car runs and drives fine but this code keeps popping up for a few days and then goes away for a few days, then comes back???? Any help would be appreciated! 2001 Corolla LE 1.8 liter
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