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Silviacrazy
03-30-2010, 02:00 PM
i have a huge problem an idiot friend of mine was helping me out with my car and the idiot put the terminals backwards on the battery so the positive was on the negative and the negative was on the positive and i didnt know until i turned the key and smelt something burning which was my ecu it fried i replaced it and engine code 21 is coming on the car cranks but wont start i have no spark. where should i start looking?

doomviillain
04-03-2010, 04:58 PM
do a general diagnostics. check your fuses, plugs, coils, ignitor chip, etc.

make sure you have the right ecu.

Tantwoforty
04-03-2010, 05:14 PM
do a general diagnostics. check your fuses, plugs, coils, ignitor chip, etc.

make sure you have the right ecu.
after you do that...
search?