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If a 2001 ford focus turns over but doesn't start and jump starting it won't work what's wrong?
Wiki User
∙ 18y ago
You need 4 things for an engine to run. An unobstructed air source, compression, good fuel at the right time, strong spark at the right time. You are missing one or more of those things. If the engine is spinning over real fast without any resistance, you might have no compression, which could be due to the timing belt having jumped time. You could have no fuel pressure, due to a bad fuel pump. You could have no spark due to a bad coil. You could have no injector pulse due to a bad PCM or some other problem with the engine control system. Check air intake, fuel and fuel injector pulse, spark, and compression. Find out what you are missing, and you will be able to narrow it down to what sub-system is causing the problem.
Wiki User
∙ 18y ago
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