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2008 lancer es no crank

243 Views 9 Replies 3 Participants Last post by  Fixxer
I have a 2008 lancer es and the engine wont crank. All it did was sit overnight. I have replaced the battery, starter, and the starter relay. The neutral safety switch and ignition switch are working properly and it isn't the anti theft system either. Also looked for corrosion and grounds everywhere. Just wondering if there is anything else i can check before i replace the ecu or ecm.
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Are you sure its not the immobiliser?
Are you sure its not the immobiliser?
Im pretty sure it isnt. Thats a chip on the keys board correct? I have the rectangular key fob do you know where its located?
Are you sure its not the immobiliser?
Is it the grey octogon shaped chip?
Inside the key? shaped like a tiny coffin? Yes.

Do you have any fault codes?

If you feed Battery voltage to the small pin in the starter does it crank?
Inside the key? Yes.

Do you have any fault codes?
Nope nothing shows up. Is there anyway i can test if it is the ecu?
Using a data reader you should be able to see if the immobiliser is turning off
Still no codes tried another starter and no luck.. i checked engine grounds and wires for corrosion and cleaned any that needed it too. Could it be the ecu?
If you feed Battery voltage to the small pin in the starter does it crank?
Having the same issue with a 2014- tried everything but a new ECU
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