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    03 Protege ES ECU Replacement?

    Replaced coil packs and plugs this morning. Code hasn't come back yet but the miss is still there. Already had the cracked intake tube problem, threw on a cheap ebay aftermarket one like you said. Thanks guys.
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    03 Protege ES ECU Replacement?

    Oh I didn't realize this was a vendor. I thought it was like the garage area of the forum. I really do apologize. Mods, please move this thread to the right forum. Thanks.
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    Engine Misfire on 4th Cylinder

    So put a non fouler on the #2 spark plug? I tried the non fouler on the 2nd o2 sensor but it is a universal one and the probe doesn't fit in the non fouler right and the code came back. I was going to get one of those Magnum o2 sensor simulators. Does anyone know if they work? Thanks for the...
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    Engine Misfire on 4th Cylinder

    This is what happened to me. The butterflys broke off and got sucked up in my #4 cylinder causing the gap on the plug to close and kill the cylinder. Took me 3 months to figure it out. The raw fuel the cylinder was dumping in the cat burned a hole in the catalyst so I had to gut my cat. Had to...
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    03 Protege ES ECU Replacement?

    Planning on new coil packs and spark plugs as well. So I take it these instructions are to install some sort of performance chip, but in the process they show me how to do the ecu, correct? So, there is no need to flash the ecu or whatever? Thanks guys.
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    03 Protege ES ECU Replacement?

    Bump man. Please help guys. There's like 160 users online and no one can help me out?
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    03 Protege ES ECU Replacement?

    Hi everyone. This is my first post. I have a 2003 Protege ES 2.0 non turbo and I just ordered a used ecu off of ebay. I have been having a random missfire problem and a friend that had a 99 Protege said she had the same problem and they replaced the ecu and it fixed it. Ok, my question is where...
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