Proper way to clean a throttle body? - Maserati Forum
 
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post #1 of 7 Old 04-14-2019, 07:59 PM Thread Starter
 
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Proper way to clean a throttle body?

Hello everyone. I've been reading this forum for many years now, but this is my first post.
I would like to clean my throttle body on my 2007 Quattroporte ZF auto and would like to know the proper way to do it.
Below I have posted what I think might be the right way to do it. Please let me know which one is correct, or if none are correct.

1. Disconnect negative battery post, disconnect connector for throttle body, clean throttle body then reattach throttle body connector and battery. Do the battery re-learn procedure.

2. Disconnect throttle body connector, clean throttle body then reattach throttle body connector, turn key in ignition on the on position for 60 seconds then start the car.

Which one is correct?
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post #2 of 7 Old 04-14-2019, 08:12 PM
 
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Unhook the battery...clean throttle body...connect battery...turn key on in pos 2(dash lights up) and let sit for 45 seconds....start car...Jason

ASE Master Tech. 29 years experience
Ferrari, Maserati, Land Rover, & Jaguar technician.
Guru in Atlanta of Jaguar V12 & XJS cars.
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post #3 of 7 Old 04-14-2019, 08:33 PM Thread Starter
 
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Thanks Jason
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post #4 of 7 Old 04-15-2019, 02:27 AM

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OK, what/where is the throttle body and why does it need cleaning?

2013 GT Conv Nero Carbonio & Cuoio interior
2007 QP Exec. Nero Carbonio & Cuoio interior (Gone)
1967 Jaguar Roadster (long gone)
1968 Fiat 850 Spider (pure fun)
1960 Austin Healy 3000 (Last of the Hungry Ones)
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post #5 of 7 Old 04-15-2019, 09:32 AM Thread Starter
 
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The throttle body is located between the Mass Air Flow sensor and the intake manifold. When you press the accelerator pedal there is a flap in the throttle body that opens. Over time the flap gets dirty and can cause rough idle / hesitation. If you are going to clean your throttle body only use throttle body cleaner. Dont use other cleaners.
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post #6 of 7 Old 04-16-2019, 11:46 AM
 
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Garage
I'll place rags below to catch all the gunk residue that drips back. Idle improves quite noticeable as well.
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post #7 of 7 Old 04-18-2019, 04:15 AM

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Today I unbuttoned the engine bay cover to check the air filter, recently replaced by a,new to me, Indy (trust but verify) but while I was there I took a look at the throttle body and saw it was gunky around the edges. A trip to the auto parts store for the recommended CRC cleaner and following the instructions of our guru Jason on this thread I did it (maybe over did it using cotton swabs to get every last bit of gunk). Followed Jasonís reboot instructions and everything ran great.

So thanks to this thread I went from, what is a throttle body, to got it, did it, done it. Thanks all!

2013 GT Conv Nero Carbonio & Cuoio interior
2007 QP Exec. Nero Carbonio & Cuoio interior (Gone)
1967 Jaguar Roadster (long gone)
1968 Fiat 850 Spider (pure fun)
1960 Austin Healy 3000 (Last of the Hungry Ones)
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