i have a 1998 mazda millenia 2.5 with a p1173 and a po300 code
Jan 2, 2013 at 4:30 PM
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HMAC300
✓ASE Certified Mechanic
48,601 POSTS
check fuel pressure it is probably low casing your problem and may be both will go away if pressure is right.
Jan 2, 2013 at 4:39 PM
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