No manual unless you want to buy the VADIS DVD discs that often come up on eBay. What you have sounds like a bad MAF (mass airflow sensor). You need to have your diagnostic codes read with a scan tool to be sure. AutoZone will do this for you, among other places. Thanks for the info MadeInJapan kee...

hi guys my c70 idles erratically constantly jumping and falling between500rpm and 1200rpm any ideas what the problem could be. also any ideas where i can get a repair manual for this car as haynes manuals finish at 1999 for this particular vehicle