Information gap principle in communicative English?

What type of engine oil for a 1995 ford econoline with 5.0 petrol engine please? How do you replace the fuel filter located on a 1997 Chevy Cavalier? How do you replace spark plug on Coleman powermate 1850 generator? How do you fix the 02 Sensor Circuit Low Votage Bank 2 Sensor 2 of 2002 Honda Passport? How do you replace the rear turn signal bulb located on a 2004 Chrysler Town and Country? Will a Briggs oil filter part no. 492932s replace a kawasaki 49065-7007? Can you mess up your car using a clutch that is going out? How do you reset the 'service engine' light on a '94 Buick LeSabre? Vauxhall meriva - rear tail light has gone out - replaced bulb and checked fuse but still no luck help please? Would a new air cleaner and spark plugs help gas mileage? Is head jerking a simple motor tic? Wiring diagram for model rs82b remote starter? What makes the squealing noise in my Santa Fe when you start your car or AC is on? Check engine light 93 toyota t-100? How do you reset the oil change light of Infinity QX60? How do you open the fuse box on a 2002 Chevrolet van? 1991 ford tempo and everytime you come to a stop the car dies the check engine light comes on and sometimes it starts right away other times it takes 20-30 minutes to restart what could it be? What oil filter for 1969 Chev PU 250 engine? What does an exclamation mark on the dashboard of my 2000 Ford Laser mean? What would the labor cost be to replace an alternator belt and the PS belt on a Honda Prelude?

Information gap principle in communicative English?