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[VR V6] help, engine lamp on, no power

westbad

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Code 24 - Vehicle Speed Sensor (VSS)
Code 45 - Oxygen Sensor Rich (O2)
 

westbad

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if the vehicle speed sensor fails the auto will go in to limp mode, giving you only 2nd and 3rd gear and reverse.
 

vnv6 wagon

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na man its pretty easy the v6's have only have 1 o2 sensor its on the passenger side of the car on the lower end of the exhaust manifold closer to the gear box and if i remember correctly its a 19mm open ended spanner will do the trick.
 

westbad

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not sure, you cant really go wrong mate, just get under the car unscrew it out the exhaust unplug the wiring and its out.. screw in the new one plug it in and your done.
 

westbad

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some V6's have 2.. but i think thats the ecotec motors.. im sure someone with a V6 will tell you.
 

Fenners

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also if you have been giving a rich 02 reading that can also be heading towards map sensor. if it thinks it doesn't see enough vacuum it will start running rich.
check the vacuum line that goes from the engine to the map sensor
Vehicle speed sensor will prob be the three wires on the speed sensor, not uncommon for them to crack and break and short out, giving you a code.
 
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