Diagnostic Aids
If other codes of lower number are set with Code 65, use those charts first. Malfunction in MAP or TPS sensor circuits can cause a Code 65 to set. If other codes are not set, Code 65, rich exhaust, is most likely caused by:
If other codes of lower number are set with Code 65, use those charts first. Malfunction in MAP or TPS sensor circuits can cause a Code 65 to set. If other codes are not set, Code 65, rich exhaust, is most likely caused by: