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Old 26 Aug 2007, 07:58 am
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Default my acura integra has a code #43 fuel supply does this mean it is the fuel pump?

my acura integra has a code #43 fuel supply does this mean it is the fuel pump?
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Old 26 Aug 2007, 08:02 am
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The code 43 is for fuel supply and is most likely a problem with the Oxygen Sensor unless you have a performance issue such as a car that is losing power (low fuel pump pressure or volume). It the check engine light is on and the car drives normally then the problem is almost certain to be with the Oxygen Sensor. If the sensor is dead the car will still drive okay because it will use a fixed fuel delivery program based on engine speed and engine load to calculate how much fuel to inject. If there are performance problems, then and only then would you suspect the fuel pump. On that age vehicle, more likely than not you'll have to replace the oxygen sensor.hope that helps
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Old 26 Aug 2007, 08:04 am
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Code 43 is not fuel supply.It is an error code for the heated O² sensor
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Old 26 Aug 2007, 08:08 am
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This is why you dont go to Autozone for you check engine light. Some guy that makes $7.00/hour CANNOT properly diagnose your car. The scanners they use give "general" codes, not vehicle specific codes. Autozone is in the business of selling parts, not diagnosing cars. If the scanner says O2 senser, it could be that the O2 sensor sensed that there was a wrong mixture from the combustion chamber and the O2 sensor was the first thing that read it and sent the error to the ECU. What would happen if you installed a new $50.00 O2 sensor? Same code, But still out the money. It could be as cheap as a $4.00 spark plug fouling out, but being as the O2 sensor was the piece sending the signal that is what Autozone said it was. And since they have their "Trusty" $70.00 scanner, they have something to fall back on to say well its what the scanner said.
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