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Old 03-17-2014, 03:27 PM   #1
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Best way to wash engine bay?

Just picked up an 03 and want to clean it up under the hood. Is there a best practice out there for this or anything I need to watch out for?

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Old 03-17-2014, 03:59 PM   #2
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be sure to cover your TPS sensor...it's right behind the throttle body. They are sensitive to moisture. My buddy washed his and it threw the dreaded P0123 code which he can't get rid of now, even after changing the sensor.

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Old 03-17-2014, 05:12 PM   #3
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I appreciate the advice. I will watch out for that.
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Old 03-17-2014, 05:24 PM   #4
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I throw plastic bags over the air cleaner intake, the distributor (since I have one), and the computer (above the battery). Then I degrease and lightly pressure wash.
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Old 03-17-2014, 05:37 PM   #5
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I simply cover the air intake with a plastic grocery bag, and spray away! light to medium spray, not full stream!
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Old 03-17-2014, 09:28 PM   #6
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I use a engine degreaser let it soak and then wash off with a garden hose then if you rally want get crazy hit all the plastic and rubber with no-touch tire dressing. It looks great and does help keep the grease at bay.
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Old 03-17-2014, 09:49 PM   #7
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Here's how a detail shop showed me. Form aluminum foil or wrap plastic bags around electrical components. Mist Simple Green on almost everything. Scrub with long handled tire brush if needed. Rinse with a very LIGHT stream of water. Repeat if needed. Voila!
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Old 03-18-2014, 10:02 AM   #8
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Great suggestions guys. Thanks!
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Old 03-18-2014, 02:22 PM   #9
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I sprayed Simple Green Pro HD (available at Home Depot) and let it soak. I followed up with brushing and a low powered rinsing with an adjustable garden nozzle. I didn't cover anything.
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Old 03-18-2014, 03:04 PM   #10
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Quote:
Originally Posted by UnlimitedRubicon View Post
I sprayed Simple Green Pro HD (available at Home Depot) and let it soak. I followed up with brushing and a low powered rinsing with an adjustable garden nozzle. I didn't cover anything.
x2. I simple green about once a month with a garden hose on all my and wife's vehicles. No issues.

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