1999 Mercury Cougar Repair Question
Mercury Cougar Speedometer Problem
scan or codes and check fuel pressure first. your vehicle speed senosr may ahve quit working causing the luggin and speddo to quit or there may be a short in the wires. but youshold have a code or your check engine light will be on.
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I had it scanned and got nothing. My check engine light was on but that was for the O2, as soon as he reset it it stayed off.
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