Which codes should I pay attention to? Read codes or Test Codes with green plug connected? I get p0170 p0302 p0303 in Read and I get p0500 p1101 in Test mode?

Asked by wallwor Jul 29, 2016 at 10:30 AM about the 1996 Subaru Impreza Outback Wagon AWD

Question type: Maintenance & Repair

1996 Subaru Impreza runs rough and bogges down going up hill.

4 Answers

wallwor answered 7 years ago

thanks for the answers. Have replaced plugs, wires, coils. Engine has good compression (225). But was interested in the priority of trouble shooting a problem. Should I use the read codes as a priority or the test codes? P0500 refers to a VSS problem and p1101 refers to a neutral safety switch issue. Misfire codes I can't figure out. Can't find air leakes, fuel pressure good, Car dies when going up hills and runs rough so I am starting to feel it is the CAT causing this problem. Any opinions? Sorry for my late response.

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