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A mechanic did ran a diagnostic on my '04 Durango and said that the knock sensors are bad and need replacing. I am being told that the Knock sensors are not in '04 Durango's is that so?
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2004 Dodge Durango 5.7 Hemi has 4 oxygen sensors. Each bank has an upstream that's the newer style that controls more of the fuel trim than the previous type. The other 2 downstream sensors are for reading the after-cat A/F ratio and determining catalytic efficiency as well.
not very, but I own an 04 envoy, same engine light troubles, figured it was the o2 sensor, so I took it to my mechanic to have him tell me which sensor, so I could replace it. Turns out the sensors are fine, but the secondary air pump is malfunctioning and needs to be replaced. This is apparently a very common problem with this car, and I would suggest having a diagnostic ran before replacing anything, and besides, if it was an 02 sensor, there are 3 or 4 of them on the envoy and you need to know which one is failing anyway, and only a diagnostic can tell you that.
Had the same problem before on my 04 Neon SXT...camshaft sensor is on left side of engine block, take out the battery and to the left of it (face car) is the camshaft position sensor. To change it you'll have to move a few hoses but its plan to see there on the left side of the engine...pretty easy remove and replace. Fixed my problem of car not going above 2k RPM when i replaced the sensor.
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