Code P0172 on 2000 Chevrolet S10

Code P0172 shows on the code reader (rich fuel in bank 1) replaced vacuum hoses/fuel filter/sparke plugs. still runs rough/same code of P0172. Any info appreciated. Thanks

by in Tracy, CA on March 23, 2010
4 answers
ANSWER by on March 25, 2010
Does your 2000 Chevrolet S10 have a 4 or 6 cylinder engine?
ANSWER by on June 20, 2010
Don't have an answer but my 99 s-10 has same symptoms and I've replaced the same plus plug wires and also got a PCM code p1621 for memory. Let me know if you find an answer, please
ANSWER by on September 11, 2010
air filter needs replace
ANSWER by on July 22, 2012
Manifold absolute pressure sensor and throttle position sensor can also cause this code along with a failing fuel pressure regulator and leaking fuel injectors.
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