1994 Mazda MX6 Repair Question
Topics covered: Sensor, Fuel pressure, Spark.
Mileage: No information provided.
Mileage: No information provided.
Asked on January 30, 2011
Mazda mx6 1994
I have a mazda mx6 1994 thats running rich, coughs and splutters and wont go up hills. Its had new distributor cap, rotor arm, sensors, timing belt, spark plugs, spark plug leads, and a service. still made no difference. Help Please
Asked by Pete3411Answer
Replied on March 16, 2011
Probable causes of an engine running rich are as follows:
1.Excessive fuel pressure can be cause by restricted fuel return line
2.Defective Oxygen Sensors.
3.Leaking injectors and fuel pressure regulator.
4.Coolant temperature sensor out of calibration.
5.Restricted air intake system.
