My check engine light is on and it reads number 3 cilender misfire iv replaced s on 2001 Pontiac Grand Am

Diagnostic machine reads its running rich number three cylinder misfire fuel preshure sensor bad

by in Potwin, KS on March 05, 2014
3 answers
ANSWER by on March 05, 2014
Unplug vacuum line off of fuel sensor see if fuel bypassing, check spark caps
ANSWER by on March 06, 2014
Do you have the actual code numbers? Do you mean the fuel tank pressure sensor? Need the numbers!!
ANSWER by on March 06, 2014
take it to your mech it needs further diag to be sure whats actually wrong we would only be guessing

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