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" <> wrote in message news:...
> "Michael" <> wrote in message
>> 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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