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Message: <blockquote data-quote="I_LIKE_TURTLEZ" data-source="post: 1583480" data-attributes="member: 31555">Why would someone run open pipes on a 190hp stock car? It actually loses power from that.  Anyway it's most likely a fuel delivery issue based on the symptoms given, the o2 sensor does nothing until closed loop is achieved later on. Assuming it has spark, since you've been cranking on it you should pull the spark plugs and let them dry off, then disconnect the negative battery cable and run a wire from the cable-end to the positive cable that's still attached. For about 30 seconds. This will reset the adaptive fuel strategy back to it's programmed baseline, running the vehicle with open headers will have the PCM thinking it's running lean and therefore command fuel to start dumping in until fuel trims are pegged. Eventually the car will just flood itself out.</blockquote>