new maf sensor didn't fix ,same codes coming up,maf,missing cylinders... on 1999 Volkswagen Jetta

just bought car,seems to be a draw on battery upon hooking/unhooking terminal. muffler also split open..any ideas? return new mass air flow sensor?

by in Newport, MI on August 16, 2013
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1 answer 1 comment
ANSWER by , August 17, 2013
Run engine at night with hood up and look for secondary ignition sparks(plug wires, coil , dist cap) or you can spray water from a bottle while idiling and see if it runs rough
COMMENT by , August 17, 2013
I replaced the coil pack, no distributor on my model.Runs way better, still a little rough.Next will be a tune up.