stilenstone
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- Jan 17, 2011
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I have a 2000 Sierra that has just recently had the camshaft position sensor and the crankshaft position sensor replaced but will not start on very cold days. When i plug a ceramic heater in under the engine and blanket the hood it will eventually start after a little while of heat. Has anyone heard of any problem like this? its very difficult to diagnose because once u take it into a shop and it gets warm the truck starts again. I dont think its the starter because it always turns over great and is getting fuel but no spark.