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injector pulse

  1. 2.3L Tech
    1993 Mustang 2.3L Automatic I had my check engine light come on a couple times and so I hooked up my Code Scanner, These are the codes I got: KOER (Running) 521- Power steering pressure switch (PSP) Circuit did not change states. 536- Brake On/Off (BOO) circuit failure/not activated during...
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