Engine Performance problem
2002 Mazda Protege 4 cyl Two Wheel Drive Manual 158000 miles
2002 Mazda Protege5 2.0L WD 158000 miles. The code gave me " Random/multiple Cylinder misfire, Intake Manifold tuning control CKT open bank 1, System too lean Bank 1" can you please help me find the result of this problem. Thank you!