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When the key is turned on the engine light flashes once and stays on when running?
Wiki User
∙ 15y ago
Need to check the 10 AMP. fuse's for the ECM. There are 2 of them in the fuse box.
If they are good, Then you need to scan the engine with a engine scanner to see whats going on.
Wiki User
∙ 15y ago
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