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Old 25 Dec 2010, 06:01 pm
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Default I have a 98 honda accord with check engine light p1457?

I have a 98 honda accord with check engine light p1457 regarding an evap leak. i went to the dealer and they did an electical check , checked the sensors and did a smoke test. they told me all the sensors worked fine and electrical check was good and did not see any smoke when they did the smoke check.then they told me they wanted me to change the canister, Purge Solenoid Valve ,2 way valve bypass solenoid valve and and shut off valve. which i did it cost me over 800 dollars labor and parts included































after it was all done they come to me and tell me that my ecm is not getting communciation with the bypass solenoid valve and i need to replace the ecm and it would cost 1200 dollars. they took me to the car and showed me that their was supposed to be a double knock on the bypass solenoid so it can get a signal to the ecm































did honda dealership do their job right regarding this problem and should i buy an aftermarket ecm to fix this problem they tell me... please give me answers and suggestions
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Old 25 Dec 2010, 06:16 pm
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Honda had a technical service bulletin out on this issue. The salt corrodes the parts and ultimately causes the ECM to short out. However, I would not have them change the ECM. It is fairly easy to do yourself and much cheaper.
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Old 25 Dec 2010, 06:31 pm
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Sounds to me like you went to a dealership that is on a flat rate pay scale. With flat rate there tends to be allot of time spent on replacing parts rather than time spent properly diagnosing what exactly the problem is. The Honda's rarely throw a 1457 code and when they do it can be as simple as a old, cracked vacuum hose, or a bad venting, or loose gas cap that can trigger a code. If the diagnosis is now the ECM then the dealership should eat the cost of the stuff they've already replaced due to miss diagnosis. My advice to you is to get a second opinion from somewhere other then where your going now. If a computer is needed then there are a number of places that can repair the one you have at a fraction of the cost for a new one. Also you yourself can replace it, 4 10mm bolts and a couple of electrical connectors to replace. Good luck and hope this helps.
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