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Old 03-19-2006, 11:04 AM   #1
wasssup
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Default bad to use fuel injector cleaner before changing old fuel filter?

I tried to change my fuel filter today, but the main bolt will not budge AT ALL. I'll try my luck at it again next week, otherwise i'll have to pay $40+filter at my local mechanic..

Would it be counterproductive to add fuel injector cleaner now before I change the filter, or does it not matter?
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Old 03-19-2006, 11:06 AM   #2
imported_LoKe
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Default bad to use fuel injector cleaner before changing old fuel filter?

I'd get that filter off either way. The bolt won't budge...is it stripped or just right? How about rusty?
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Old 03-19-2006, 11:15 AM   #3
wasssup
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Default bad to use fuel injector cleaner before changing old fuel filter?

Looks like it's rusted...I tried to use some spray I bought for taking care of rusted bolts, it still wouldn't budge...

I drive 110 miles/day to get to work and back so i'm just trying to change simple things to get my mileage up (only getting 33mpg right now)...
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Old 03-19-2006, 11:17 AM   #4
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Default bad to use fuel injector cleaner before changing old fuel filter?

What spray did you use? How about trying some WD40? Also, tapping the bolt with a hammer may help loosen it up, but be careful not to damage anything.
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Old 03-19-2006, 11:17 AM   #5
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Default bad to use fuel injector cleaner before changing old fuel filter?

No, the fuel filter is before the injectors.. obviously.

It won't matter, it will still help clean your injectors.
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Best Trip - 82.0MPG over 1200 miles
2001 Honda Insight 5MT - 450,000 miles and counting as of 2/2012 (Fiancee's)
Best Trip - 92.4MPG over 400 miles
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Old 03-19-2006, 11:27 AM   #6
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Default bad to use fuel injector cleaner before changing old fuel filter?

how often does one change a fuel filter anyways
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Old 03-19-2006, 11:30 AM   #7
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Default bad to use fuel injector cleaner before changing old fuel filter?

Quote:
Originally posted by: 0roo0roo
how often does one change a fuel filter anyways
If you have a high mileage vehicle you should replace the fuel filter once a year.
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Old 03-19-2006, 11:35 AM   #8
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Default bad to use fuel injector cleaner before changing old fuel filter?

Quote:
Originally posted by: 0roo0roo
how often does one change a fuel filter anyways
30k?
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2001 Honda Insight 5MT, MIMA #163P - 158,388 miles and counting as of 7/2011
Best Trip - 82.0MPG over 1200 miles
2001 Honda Insight 5MT - 450,000 miles and counting as of 2/2012 (Fiancee's)
Best Trip - 92.4MPG over 400 miles
2000 Honda Insight 5MT, MIMA #173P, BCM Gauge, OBDIIC&C Gauge, Upgraded 8Ah battery - 227,248 miles and counting as of 10/2011
Best Trip - 83.1mpg over 458mi
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Old 03-19-2006, 11:40 AM   #9
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Default bad to use fuel injector cleaner before changing old fuel filter?

So would 90k without changing the fuel filter be bad?
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Old 03-19-2006, 11:42 AM   #10
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Default bad to use fuel injector cleaner before changing old fuel filter?

Quote:
Originally posted by: KK
So would 90k without changing the fuel filter be bad?

It's a few dollars and a few minutes in most cars, cheap preventative maintenance.
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2001 Honda Insight 5MT, MIMA #163P - 158,388 miles and counting as of 7/2011
Best Trip - 82.0MPG over 1200 miles
2001 Honda Insight 5MT - 450,000 miles and counting as of 2/2012 (Fiancee's)
Best Trip - 92.4MPG over 400 miles
2000 Honda Insight 5MT, MIMA #173P, BCM Gauge, OBDIIC&C Gauge, Upgraded 8Ah battery - 227,248 miles and counting as of 10/2011
Best Trip - 83.1mpg over 458mi
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Old 03-19-2006, 11:43 AM   #11
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Default bad to use fuel injector cleaner before changing old fuel filter?

How easy is it to fvck it up?
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Old 03-19-2006, 11:46 AM   #12
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Default bad to use fuel injector cleaner before changing old fuel filter?

It's easy to change. Just google it if you're not sure, there are plenty of DIY automotive guides.
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Old 03-19-2006, 01:26 PM   #13
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Default bad to use fuel injector cleaner before changing old fuel filter?

Always run the fuel injector cleaner through the system before changing the filter,the cleaner will dislodge any sludge and debris in the gas tank,if you change the filter first you are shortening the life span of the new filter.
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Old 03-19-2006, 02:20 PM   #14
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Default bad to use fuel injector cleaner before changing old fuel filter?

Quote:
Originally posted by: crustyoldman
Always run the fuel injector cleaner through the system before changing the filter,the cleaner will dislodge any sludge and debris in the gas tank,if you change the filter first you are shortening the life span of the new filter.
That makes SO MUCH SENSE. Thanks!
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Old 03-19-2006, 04:12 PM   #15
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Default bad to use fuel injector cleaner before changing old fuel filter?

since fuel injector cleaner is useless, it won't hurt or help anything anyway.
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Old 03-19-2006, 04:18 PM   #16
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Default bad to use fuel injector cleaner before changing old fuel filter?

Whats the year make and model? What tools have you been using?
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