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Discussion Starter #1
I'm not sure if I'm having the "shudder" problem so many other 2007 FJ owners from here are having, but I notice my engine getting sluggish when accelerating to get on the interstate, or when I step on the gas to pass someone (going 65 to 65+). You can even see it on the tachometer... It'll be rising steadily, and then pause, and then continue. You can feel it in the acceleration too.

I've had Toyota look at and drive it twice and they say "It's just fine - nothing comes up on the computer, and they all drive this way." BS. Something is wrong.

Anyone else having this problem? TYIA


Edit: Maybe this should have been in the "engine" section, and not "transmission" section. Sorry.
 

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Have you owned it for a while? Did it do it when you first got it? Are you maf and throttle body clean? You can always manually shifting...

Also, any mods on your fj?

Cheers,
Matt


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Discussion Starter #3
Have you owned it for a while? Did it do it when you first got it? Are you maf and throttle body clean? You can always manually shifting...

Also, any mods on your fj?

Cheers,
Matt


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Yeah, sorry. I'm the original owner, and no, no mods whatsoever. It has 120k miles on it.
 

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Have you had the transmission flushed or done it yourself over the last 120k miles?


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Yeah you got to keep up ont the maintence. If you haven`t flushed the trans fluid get it done. 120K is a long way to go without replacing the fluid. I do mine every 50K :)
 

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Discussion Starter #6
I've kept up on the Toyota maintenance 100%, and if they haven't told me I need to flush the transmission fluid, then no, it hasn't been done.

I did drive home yesterday in "4" as opposed to "D" and I didn't notice the sluggishness. And this morning I drove into work in "D" and didn't notice it either. Weird.
 

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At first read, I would be leaning towards the MAF as well. Clean it out really well... possibly toss in a different one if you have a friend with an FJ and see if that clears it up.
 

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That sounds like the symptoms I was having when my alternator fried along with the stock battery. Just for grins, go to an autoparts store that does free checks on alternators and have them check it.
Your mileage of 120K is exactly when mine went. While you are at the store, pick up a can of MAF cleaner.
I have a MT so I am not familiar with AT traits.
 

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Discussion Starter #10
At first read, I would be leaning towards the MAF as well. Clean it out really well... possibly toss in a different one if you have a friend with an FJ and see if that clears it up.
Okay - thanks for the link. If I end up getting this done, I will report back. Thanks again.
 

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Discussion Starter #11
That sounds like the symptoms I was having when my alternator fried along with the stock battery. Just for grins, go to an autoparts store that does free checks on alternators and have them check it.
Your mileage of 120K is exactly when mine went. While you are at the store, pick up a can of MAF cleaner.
I have a MT so I am not familiar with AT traits.
I forgot to mention that (doh! sorry) my alternator does need replaced, but I'm saving up to have that done. I didn't think that would have anything to do with sluggishness, though.

MAF cleaner? Never thought to clean that. Wouldn't Toyota do that w/ regularly scheduled maintenance, or am I playing dumb here? :)
 

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I think you have answered your question. These FJ's rely on a smooth electrical supply to the ECU (Throttle by wire for example). While on this subject, when is the last time you changed spark plugs?
 

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Discussion Starter #13
I think you have answered your question. These FJ's rely on a smooth electrical supply to the ECU (Throttle by wire for example). While on this subject, when is the last time you changed spark plugs?
10-4 thanks, CowboyCEO! Much appreciated.

Spark plugs? This thing has spark plugs? Hahaha - just kidding. Um, IDK - whenever Toyota replaced them. The 60k maintenance? I should probably replace them too?

I did request my service history email to me, but have not heard back from Toyota of Des Moines yet. :(
 

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Yeah it sounds to me like your FJ just needs some cleaning and a tune up. Do the trans flush get the alternator replaced (all these jobs are easy if you know basic mechanics) :)
 
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10-4 thanks, CowboyCEO! Much appreciated.

Spark plugs? This thing has spark plugs? Hahaha - just kidding. Um, IDK - whenever Toyota replaced them. The 60k maintenance? I should probably replace them too?

I did request my service history email to me, but have not heard back from Toyota of Des Moines yet. :(
You should be able to register the VIN at Toyota Owners Official Web Site and see it for yourself.
 
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