I have a 94 gmc yukon 4x4 5.7 350 failed emissions test saying it was running to rich.. And i have noticed a gas smell more than normal... Wondering if anybody has any ideas...

Asked by Nov 06, 2015 at 10:16 PM about the 1994 GMC Yukon SLE 2dr 4WD

Question type: Maintenance & Repair

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Get the codes read for diagnostics, post them here...It is a OBD1 computer in there...

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