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Cold starting issues can be a little difficult to find; usually it's something basic such as weak spark, insufficient fuel or low compression.

First, run a compression test. If the compression is low you'll have difficulty getting the engine to start when it's cold.

Second, make sure the sensors are all working properly. If it's "computer controlled" and the computer doesn't know that the engine is cold, it won't inject enough fuel to start when cold.

Third, some engines have an additional injector for cold starts; make sure it's working properly.

And last, make sure the starting circuits are functioning properly; some vehicles engage a separate circuit for the coil when the starter is engaged. If that's not functioning properly you won't get a strong spark and you'll have difficulty starting when cold.

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โˆ™ 2008-01-03 16:18:12
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Q: Car wont start when cold turns over and over eventually it will start if battery doesnt run down first Starts fine after running for a while and restartingalso starts fine in the summer.battery good.?
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