2004 Suzuki Verona engine light

2004 SUZUKI VERONA
139,000 MILES • 6 CYL • FWD • AUTOMATIC
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ESSI
  • MEMBER
  • 1 POST
engine light is on,and I check with autozone,and they gave me those cod p0171,p0174,and p1670. can tell me what I must check or clean,until I get free from the cod.Thank you.
Aug 13, 2009 at 8:32 AM
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MHPAUTOS
  • ✓Experienced Mechanic
  • 31,937 POSTS
Hi there,

The first two codes are system running lean, so start with vacuum leaks, MAF sensor, injectors and exhaust leaks at the manifold, these can all give this code, as for the 3 code that is unknown, can you re check that or try a flash code read?

mark (mhpautos)
Aug 13, 2009 at 10:28 AM
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