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

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
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?
(1) Answer
(1) Comments
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
I replaced the coil pack, no distributor on my model.Runs way better, still a little rough.Next will be a tune up.
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