2012 Chevrolet R20 Suburban P1661 Fault Code Check
When you check 2012 Chevrolet R20 Suburban car engine light came on code P1661 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Chevrolet manufacturer may have a different definition for the P1661 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
A good ground connection is also extremely important. P1661 2012 2012 Chevrolet R20 Suburban 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).
2012 Chevrolet R20 Suburban P1661 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP1661 Output Circuit Check Signal Low so you have to check ODB-II Fault Code Check list.Reason For 2012 Chevrolet R20 Suburban P1661 CodeThe reason of 2012 Chevrolet R20 Suburban P1661 OBD-II Fault Code Check is P1661 Output Circuit Check Signal Low. |
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2012 Chevrolet R20 Suburban P1661 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 P1661 2012 2012 Chevrolet R20 Suburban test and the P1661 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 P1661 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 P1661 2012 2012 Chevrolet R20 Suburban: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression.
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What does fault code P1661 mean for 2012 Chevrolet R20 Suburban ?
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