Question about 2009 Toyota Yaris

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The engine was running and then it suddenly stopped loosing all the power. I have the same problem with a Toyota Yaris. I have cleaned the MAF sensor a couple of times which SEEMS to help for a short time, although I am not quite sure as it has been happening intermittently for over a year now. It seems to happen more when going slowly but, again, that might only be coincidental. Would appreciate if anyone could give a definite solution as I don`t wish to pay out over £200.00 only to find out I still have the problem.

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In order to know what is causing this problem you need to test the maf sensor voltage, and if your car is that new only the dealer should be handing the 2009, they are the only ones who will have information on that new of car. Maf sensor could cause the car not to run but you would need to test other components as well. For instance the fuel pump and fuel pump pressure. Since it is a condition that’s intermittent it will be much harder to figure out. So they can give you an estimate to trouble shoot the problem but they can only test, and if it does not fail the test then you have to test the next thing in line with your problem. You could have a bad vapor recovery purge switch. If it has been missing for a while it could contaminate the catalytic converter and plug it as well, this to can be tested but if it runs bad occasionally you could even have some bad gas. Or you could have a short in the system and a mechanic can’t wave a stick over it and say it’s fixed. He will have to run diagnostic tests. He can’t work for free so he could give you a price for what he would charge to do What I suggested before he would replace parts. Hope this helps

Posted on Jul 11, 2009

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