LS - 4th Gen (2007-2017) Discussion topics related to the current flagship models LS460, LS460L and LS600H

Fuel injector servicing & Spark plug 2007 LS 460 125000 miles

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Old 01-28-19, 11:19 PM
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jaishanker
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Default Fuel injector servicing & Spark plug 2007 LS 460 125000 miles

Hi all , I would LIKE to know p if we should service the fuel injectors and change the spark plugs because my car is running perfectly fine now.

am not sure if i should change the spark plugs and perform fuel injector cleaning at this time. Is it an unnecessary service at this period? Or can i continue with normal oil change service..my car has cuurently clocked 126000 miles.it is a US spec car in Dubai. The brakings are all fine now. I have never changed the spark plugs or performed fuel injector services and also the tranny fluid


Need your suggestions.
Old 01-30-19, 04:17 PM
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roadfrog
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Originally Posted by jaishanker
Hi all , I would LIKE to know p if we should service the fuel injectors and change the spark plugs because my car is running perfectly fine now.

am not sure if i should change the spark plugs and perform fuel injector cleaning at this time. Is it an unnecessary service at this period? Or can i continue with normal oil change service..my car has cuurently clocked 126000 miles.it is a US spec car in Dubai. The brakings are all fine now. I have never changed the spark plugs or performed fuel injector services and also the tranny fluid


Need your suggestions.
I have no idea what fuel quality is like in your region. That would help determine what you should do. However, according to the manual, you are due for the spark plugs. I did a DIY with pics on that on this website. Do a search and you'll find it. As for the injectors? Meh...not sure you need that, but again...that depends a lot on your fuel quality in Dubai.
Old 01-30-19, 07:03 PM
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Nospinzone
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I would have the plugs changed, they're due. If you are using Shell premium gasoline, I would skip the fuel injector cleaner. If the transmission hasn't been serviced before, I wouldn't touch it now.
Old 01-30-19, 09:49 PM
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Caflashbob
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Plug change at 70k and top tier heavy detergent Costco/Union Oil gas and a trans flush made the car totally smooth and you can barely feel it shift.

would do all three in a heart beat. Driving agressively runs the detergent in the gas through both injector circuits.

took 20k miles in total. Hesitation slowly faded. Now gone.

previous owner had had it cleaned. Still hesitated. Switch gas. Drive it hard, plugs. Gone
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