2003 Mazda Protege Codes P0301 and P0302

2003 MAZDA PROTEGE
89,000 MILES • 4 CYL • FWD • MANUAL
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DMCLALIN
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Engine running in limp mode, Autozone got codes P0301 and 0302. 1. Lean Air/fuel mix; 2. Weak ignition system; 3. Engine Mechanical Problem; 4. Vacuum leak affecting one cylinder.

Where do I start?
Apr 11, 2010 at 2:55 PM
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