Spark plugs: Depending on type of driving, these should be replaced every 15,000 to 30,000 miles. Emissions filters: today‘s cars can have several of these devices. Replacement intervals vary widely from car to car (consult your owner‘s manual). Some vehicles have warning lights to remind you when these filters need changing. Distributor cap: With each tuneup, check for cracks and for erosion of the terminals. With conventional ignition systems, cap and rotor should always be replaced in a set. Ignition timing: Check and adjust every time points are replaced in conventional sysâ€" tems or every time plugs are replaced in electronic systems. Points and condenser: (applies to conventional ignition systems only). Replace as part of tuneup. Spark plug wires and boots: Replace as needed and always in sets. PCV valve: This handy device allows some unburned fuel and emissions fumes to be reburned in the cylinders, thereâ€" by lowering air pollution and increasing fuel economy. Fuel filter: Replace once year or every 20,0000 miles. The following is intended to serve as a guide. For further information on tuneup intervals, check the owner‘s manual for your particular vehicle. Air filter: Replace as often as necessary but at least every 20,000 miles. Above all, stick with a good tuneup source once you‘ve found one. A shop that knows you car‘s history is in the besw position to recommend ideal tuneup intervals based on previâ€" ous work performed. (Continue from page 1) this type of checkup, but it‘s the only way to pinpoint whether you have a computerâ€"related or deepâ€"rooted tuneup problem. Many of you may have seen last season‘s commercials on TV where the oldâ€"style Magicwagon is reâ€" shaped into the 1992. It looks much the same, but that only makes sense. Stick to good I have become a convert to allâ€" wheel drive (where those wheels which can use the power get them) and/or full time fourâ€"wheel drive (where all wheels get power all the time). One of many was the ability of the Caravan to take cargo and still look empty. With the fall of 1993 and the slushy winter weather about to arrive, I thought it might be time for a quite revisit with this evergreen sales leader, this time the Plymouth Voyager for 1993. We tested the Dodge Caravan with 3.0â€"litre V6 in these pages three years ago and found it more than adequate in every respect and superior in many. â€" perfect to loading in bulky items; and in the case of my father, rolling him in with his wheelchair. The back door is one piece and folds up with no effort at all. One thing which always stands out is how the sliding door at the side has its floor just at curb height ince they were introduced, S the Chrysler Magicwagons not only unplugged one of the great untapped automotive market niches of all time, they showed North American carmakers could be as imaginative as any in the world. "Minivans or Peoplemovers", as &ey are now generally called, are flooding the market. GM has the Astrovan and Ford the Aerostar. Japan currently runneth over with people movers from the midâ€"size (Eagle Summit and Nissan Axxess) to familyâ€"size (Mazda MPV, Toyota Previa) to new releases like the Nissan Quest/Ford Villager which went on sale this fall. But the "coin of the realm" remains the Dodge Caravan/Plymouth Voyager duo which started it all. They got it right the first time and they‘ve kept it right since. Through a combination of target marketing, shrewd use of existing parts, and getting it right the first time Chrysler found an industry winner, and a partial company saviour in the bargain. Plymouth Voyager remains on top of minivan market By JIM ROBINSON Special to the Beaver To have radically, or mildly changed, your product leader is something which just isn‘t done if you want to stay in the car busiâ€" ness. Thus subtle reâ€"styling on the outside combined with detail improvement throughout the interiâ€" or is the order of the day in this case. 1993 Plymouth Grand Voyager SE Firstly the AWD was a blessing to have during that night when the weatherman was calling for 30 plus centimetres of snow. We got half that amount but it really doesn‘t matter to the Voyager. With the power of the optional 3.3â€"litre V6 and the torque splitting of the central differential, J could In a vehicle this outwardly large, having that extra traction gives a decided edge in bad weathâ€" er. But during the rest of the year, tackle slushâ€"covered to dry back to slushy highway stretches without feeling the difference through the steering wheels or the seat of the pants. Chrysler Canada researchers have found Voyager (and Dodge Caravan) buyers are more affluent than any other Plymouth buyer group. According to Chrysler, Overhead, for instance are dropâ€" down trays for sunglasses and another for your garage door openâ€" er. Under the front seats is a lockâ€" able storage bin. These are all peoâ€" pleâ€"friendly touches which repreâ€" sent a refinement of the concept and the willingness of Chryco‘s marketing people to act on areas which need detail or wholesale improvement. instrument cluster is visibly changed but still easy to read. And the Voyager has a plethora of nooks and oddments holes liberally placed throughout. what a slippery road can be like. Here‘s another occasion when AWD pays for itself. But back to the Voyager. You may already know the Voyager and its kin are the easiest of the "neoâ€" it ind re 1¢ en on dit the large sunny â€" right? If you‘ve ever 1 on the 401 when after a week un it rains lightly, you‘ll know mover are nc Casiest of the peoâ€" ver" vans to see out from he large, barely curved side ir windows for this. The Wednesday, July 28, 1993 â€" Automotive â€" A3 Lastly, you also know there is Chrysler engineering under the sheet metal and that should be important to any new vehicle buyer. If you don‘t believe me, go ask the Class A mechanic down at the corner gas station and find out what car he‘d want to own after the warranty runs out. Suffice it to say, that in the peoâ€" ple mover market segment, the Chrysler Magicwagon and its variâ€" ants continue to be the standard by which all others are judged. And while most Caravan drivers have higher incomes, it should be noted that for 1992 there is the short wheelbase and long wheelâ€" base Value Wagons which are ideal for families on a tight budget seekâ€" ing roomy, versatile transportation. Voyager continues to represent one of the greatest opportunities to change the way people perceive Plymouth. Now that‘s a bold statement indeed, but all you have to do is go and sit in one. The seats are perâ€" fectly placed so you are lightly above the traffic but you don‘t have that I‘mâ€"inâ€"aâ€"truck feeling. The upholstery is firstâ€"class, nothâ€" ing has been scrimped on.