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Old 01 Nov 2011, 09:31 pm
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Join Date: Nov 2011
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Default Why is the idle speed up on my wife's Honda van?

Had the timing belt changed today and now it idles at around 1400 rpm. This is higher than it was. I called the dealership that did the service and they felt like the service work had nothing to do with the higher rpm. If they didn't mess with the idle speed, what could be the cause?
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Old 01 Nov 2011, 11:46 pm
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Join Date: Sep 2007
Posts: 287

well all cars run high idle when u 1st start up(to warm up the engine faster) so if the idle never decreases and it stays that high, no matter how long it sits, then id say go back to the dealership and tell them it was never an issue till they touched it, thus using basic problem solving skills, you have detirmined it was something they did. idk i feel like all dealerships will try to screw you, seems like they messed something up, and are trying to get out of paying for it.
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Old 02 Nov 2011, 12:01 am
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Join Date: Aug 2007
Posts: 1,338

ordinarily there is nothing in chagning a timing belt that affects an idle. However, it is quite possible that during the timing belt replacement they either knocked a vacuum line off or one cracked causing additional air to bypass the throttle plates and raise the idle.

so if they told you that there is nothing that they did in changing the timing belt that would affect the idle, then they are only talking about the actual procedure to change the timing belt. I'm sure they didn't think past that.

regardless of what people say about dealerships, they really do want to see customers come back so it is in their best interest to keep you satisfied. I don't know who you spoke to at the dealership but the chances are it wasn't the service manager. call back and ask for the service manager. explain to him or her that you are dissatisfied with the result of their service and that you would like them to recheck their work to determine if a vacuum hose was left off or if there is another reason why the idle on your car is higher than it was before. I can't imagine the manager saying no to that. If he does, then call back and ask for the dealer principal. I don't think it will get that far; I just think you need to pursue it with the people who can get you an answer--after all, you spent a lot of money there and they owe it to you.

hope that helps
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