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2004 Mazda Protege U1174 Fault Code Check

When you check 2004 Mazda Protege car engine light came on code U1174 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Mazda manufacturer may have a different definition for the U1174 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.

U1174 2004 2004 Mazda Protege Code Clear

A good ground connection is also extremely important. U1174 2004 2004 Mazda Protege engine problem because the presence of voltage at the panel harness won't make the panel work if there is a bad ground connection. Since the instrument cluster is mounted in a plastic dash, a separate ground wire or ground circuit through the wiring harness is usually needed to complete the power circuit. Refer again to the wiring diagram to find the ground path, and then check it with your ohmmeter. Do not use a self-powered test light because it cannot measure resistance (any resistance will lower circuit voltage).

2004 Mazda Protege U1174 OBD-II Diagnostic Network (U) Trouble Code Description

U1174 SCP (J1850) Invalid or Missing Data for Primary Id so you have to check ODB-II Fault Code Check list.

Reason For 2004 Mazda Protege U1174 Code

The reason of 2004 Mazda Protege U1174 OBD-II Fault Code Check is U1174 SCP (J1850) Invalid or Missing Data for Primary Id.
U1174 Code Reason

2004 Mazda Protege U1174 Possibble Fix Ways :

Overheating can be caused by a few different factors. The simplest cause may be that your car needs more coolant. Yet depleted coolant can be caused by bigger problem, like leaks or faulty hoses, so always check for the underlying cause before simply filling it up with more. Another common reason for overheating may be that the radiator fan which keeps your engine cool is faulty, so check your fan motor connection and fan thermostat.

If your vehicle failed a U1174 2004 2004 Mazda Protege test and the U1174 Check Engine Light is NOT on, chances are you have a problem with the OBDII system, a burned out MIL lamp, or a faulty catalytic converter. The converter is essentially an afterburner that cleans up the exhaust after it exits the engine. The OBDII system uses U1174 a ownstream oxygen sensor to monitor the efficiency of the converter, and it should detect a drop in converter efficiency if the converter has been contaminated or is failing (ignition misfiring, leaky exhaust valves, and oil burning can all damage the converter). What you want to look U1174 2004 2004 Mazda Protege: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression.

What does fault code U1174 mean for 2004 Mazda Protege ?
What does a diagnostic reading U1174 mean for 2004 Mazda Protege ?
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