Question about Cars & Trucks
Flex pipes blew under car and melted Bank 1 Sensor 2 wires and connectors. Car ran rough and would get a pop/crackle from speakers upon starting and shutting off car. Mechanic spliced the wires back together, but still had the pop/crackle coming from speakers after start and shut off. Two weeks later four of my Coil packs got fried. Is there any connection with these symptoms and the spliced O2 SENSOR WIRES?
Perhaps if you had bothered to tell us year, make, model we could have looked at the wiring diagrams to see if there's a common circuit.
Posted on Jul 23, 2017
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Posted on Jan 02, 2017
had same problem. neons are bad for the gas filler tube rusting out. there has to be pressure in the tank for the car to run.check and see if yours is rusted out or hole in it somewhere.
Posted on Mar 30, 2010
SOURCE: I have a 2003 silverado
Pull the vac hose going to fuel pressure regulator and see if it has fuel in it. If it does replace it. Just fixed one with multiple misfire codes.
Posted on Feb 05, 2011
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Removal of the oxygen sensor is easier when the engine
temperature is above 48CC
' Handle the oxygen sensors carefully in order to prevent
damage to the component.
Keep the electrical connector and the louvered end free of
contaminants. Do not use
cleaning solvents on the sensor. Do not drop or mishandle
Numbers in ten in parenthesis correspond to numbered
components in image.
1. Raise and support the vehicle.
2. Disconnect the sensor harness connector.
3. Remove the oxygen sensor.
Bank 1 Sensor 2(1)
Bank 1 Sensor 1(2)
Important: A special anti-seize compound is used on the
oxygen sensot threads. The new
service sensors should have the compound already applied to
the threads. Coat the
threads of a reused sensor with anti-seize compound P.N
5613695 or the equivalent.
1. Install the oxygen sensor.
Bank 1 Sensor 2(1)
A Bank sensor (2)
A Bank2Sensorl (3)
A Bank2Sensor2 (4)
Important: Make sure that all of the harness retaining clips
are intact. The harness
must not contact any of the hot exhaust components. The HO2S
pigtail has white
tape at the intervals, indicating the proper location of
each retaining clip. When
connecting the sensor pigtail to the harness, ensure that
the connector seal is
crushed uniformly all the way around between the connectors.
2. Connect the sensor harness connector.
3. Lower the vehicle
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