Re: Throttle bodies interchangeable?

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Old 27 Feb 2010, 11:49 pm   #1 (permalink)
Ray O
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Default Re: Throttle bodies interchangeable?


"Ray O" <rokigawa@NOSPAMtristarassociates.com> wrote in message news:...
>
> "Michael" <mrdarrett@gmail.com> wrote in message
> news:568f4623-dca2-4d14-a7b5-9649d5447613@z1g2000prc.googlegroups.com...
>> My wife's '99 Camry (~98k miles) shudders a bit when starting the
>> engine while it's warm.
>>
>> I'm considering swapping the throttle body (and the IAC valve attached
>> to it) from my '96 Camry (175k miles) to her '99, and putting hers in
>> my car.
>>
>> Is this a bad idea? Will they even fit? Is the design significantly
>> different?

>
> The 1996 V6 was the 3VZ-FE engine, while the 1999 V6 was the 1MZ-FE so
> with different engine series, the throttle body almost definitely will not
> fit.
>
> The 1996 and 1999 I4 engines were both 5S-FE engine but the 1999 produced
> slightly more horsepower and the body style was different so they are not
> likely to be interchangeable.
>
> Some additional information would be helpful in diagnosing the condition,
> and fixing the condition is probably easier than swapping the throttle
> bodies.
>
> What do you mean when you say that the engine "shudders a bit" when
> starting the engine while it is warm?
>
> Is it difficult to start when warm?
>
> Does it idle roughly when warm but not when cold?
>
> Does the condition persist the whole time the engine is warmed up or only
> after it is first started?
>
> When you cleaned the throttle body, did you check to see if the IAC valve
> moved freely when you were done? Was the inside of the throttle body
> oily or did it have a varnish-like coating?
>
> Did you clean the edges and inside of the throttle plate?
>
> What is the condition of the engine air filter?
>
> Check the black plastic tube between the air filter housing and throttle
> body for holes, cracks, gaps, etc.
> --
>
> Ray O
> (correct punctuation to reply)
>


Also, what is the cold and warm idle speed?

Does idle speed change when you turn the steering wheel or engage the AC?
If so, how?
--

Ray O
(correct punctuation to reply)


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