I'm not extremely familiar with this vehicle, but most GM products have gone to distrubitorless iginition. Timing can't be adjusted without replacing the Engine Control Unit, or re programming it commily called re flashing. Unless you are trying to find the timing marks for a timing belt. then I would consult Alldata or Auto Zone. they can help.
SOURCE: CAM SHAFT MARKS 2002 SATURN VUE 3.0L
This is a pretty tough timing belt job to do if you have never done one before. There is also a kit of tools that are essential to getting the timing right on this engine. The cams are numbered 1-2-3-4 from left to right if you are facing the cam sprockets. If the tensioner was broken and the engine came out of time you are probably looking at at least a few bent valves. Could be time well spent to perform a leakdown test before you spend too much time on installing a timing belt.
SOURCE: spark plugs on 2002 Saturn vue
just completed a plug removal and install on my '02 awd v6. if you have the time and patience it's straight forward; common sense was most helpful. to gain access to the plugs, both fore and aft, you must remove, in short, everything near to, associated with, the air intake system. common tools plus a 1/4 socket, with 8 inch extension to hold a #10 star bit. these star bolts are under the rectangular plastic plate atop the intake. once you have those out, disconnect all the wiring, carefully. lift the intake out, look for plug covers, fore and aft, ignition assembly lays atop each row of three plugs. with the hands of a surgeon, remove the ignition assembly, and by golly ye shall see your reward. easy from then on.
replaced my plugs with the iridium 'honeys'; marked improvement in starting, acceleration, smoothnes, noise, and gas mileage to the value of + 3.0%. changed out the oil with mobile1 extended performance, changed transmission fluid. took a shower. time involved, 7.0 hrs. dealer be damned,,priceless!
SOURCE: 2002 saturn vue
The code doesn't say that the O2 sensor needs to be replaced, it is telling you the O2 is showing that the fuel system is either to rich, (to much fuel) or to lean (not enough fuel), so the sensor is not the issue, most likely something is either wrong with the fuel injectors such as dirty nozzles or there is a vacuum leak or one of the fuel control sensors like the MAF has a problem, it can and is very difficult to sort this out, the Saturn dealer has the diagnostic equip to get the root cause of the problem, are they the ones who did the work? if not take it to Saturn and even though they cost more they won't spend as much time to find the problem, outside shops can't afford this special testing gear, cost is way to high, about $50,000 for the electronic service bay diagnostic systems Saturn has. One last point the computer or PCM as we call it is very rarely the problem, about 4% of the time in fact, very low failure rate.
SOURCE: 2002 Saturn Vue V6 Loss of Power
Yup. The throttle body connectors have a history of failing on these cars. Replace the throttle body and the wire connectors that go to it, and you're back in business. Not terribly difficult and you can get the parts from any dealer. Saturn actually has a bulletin out on this problem but they won't cover it unless you're under warranty - no recall for this.
SOURCE: 2002 Saturn Vue Transmission problems.
that trans. is verry expensive. talk to saturn dealer, there is a special extended warranty on that trans.
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