Question about 2003 Nissan Altima

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ECM 2003 Altima

I just purchased a 03 Altima for my daughter that the dealer said needed a new ECM. I had a replacement installed by my mechanic, then had the car towed to the dealer to have it reflashed. Between the ECM, keys and two other sensors being reflashed at cost of $300, the car cranked and ran fine. A couple of hours later it would turn over, but not crank. Anyone have an idea of what it could be. Paying to have it towed again is getting costly.

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Replace crank-positioning senser

Posted on Feb 03, 2009

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does the check engine light flash or is it on when the car misfires?? Bythe way, Nissan has a new program available for your ECM/computer for the long cranking condition. Check with your local NIssan dealer. Also spark plugs are rated for 105K, You have 110K on it. Check your plugs and make sure, that you use NGK if they need to be replaced. Also, look at your overflow bottle. If its down, top it off to FULL mark and monitor the level for few days. See if it goes down in like a week. I have seen some headgasket problems, where the coolant gets into the cylinders and drown the spark plug, causing a misfire. Let me know what you find. Lets get to the bottom of this and lets fix it.

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