Originally Posted by oldcarnut
The plugs are not cracked inside the cyclinder they ars cracked on the side the plugwire conects to, the plugs were new, the maf was just replaced with one from a low milage car, guess I should try and clean it, would dirty maf cause it to run lean? car is getting very bad fuel milage only about 120 to 160 miles to a ful tank of mid grade fuel.
Sorry about the delay...
Cracked plugs definitly need to be replaced, and yes a dirty MAF can cause the car to run lean.
[B]1951 McCormick FARMALL M
2007 MINI Cooper S Turbo... new project car
1998 Chevy 3500 Ext cab, long bed, 4x4, duelly, turbo diesel
2004 Harley V-Rod.... sex on wheels
2011 Harley Electra Glide Ultra Limited