S10 Blazer Running Rich

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How do tell if the engine is running rich? I get low fuel mileage 14mpg. The engine is a V6 Vortec. Can the fuel mixture be adjusted?

chip36 in Reno NV

May 12, 2010

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hemicudaon May 12, 2010

How about a tune up Distributor cap and rotor, spark plugs and air filter will make a huge difference https://repairpal.com/estimator/chevrolet/s10+blazer and locate a shop here https://repairpal.com/chevrolet-repair-in-reno-nevada

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What are the best Chevrolet repair shops?

RepairPal Certified shops can diagnose and repair your 1993 Chevrolet S10 Blazer. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What are the best Chevrolet repair shops?

RepairPal Certified shops can diagnose and repair your 1993 Chevrolet S10 Blazer. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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hemicudaon May 12, 2010

dpasekon Jan 30, 2012

Do you get a Diagnostic Trouble Code 45? If so, you might have a fuel leak in the intake manifold if you have a VIN 'W' engine. Look inside the upper manifold cover. The fuel mixture is controlled by the ECM.

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Code 81?

1988 s10 blazer 4.3 starts but runs rich loads. up text me at 602 703 4121

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