Question about 1999 Chevrolet Express
You may want to check for condensation build up on the spark plugs, spark plug high tension wire, ignition coil and crank shaft sensor. Normally on parts that are wearing out, moisture that occurs overnight or during cold weather may get in the electrical components such as sensors and conductors preventing it to work properly. Other than that check, for vacuum leaks where moisture may come in or leaks in the manifolds.
Posted on Aug 18, 2009
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Posted on Jan 02, 2017
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