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Fuel Filter question. help please

Discussion in '1st Gen. Tacomas (1995-2004)' started by beefsteak, Jun 22, 2011.

  1. Jun 22, 2011 at 11:01 AM
    #1
    beefsteak

    beefsteak [OP] Active Member

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    Hey guys, I need help in diagnosing my truck startup issue. I've got an '03 3.4L and it seems to not crankup like it used to. It cranks fine, but it takes longer than it used to to turn over. Like 3 seconds of cranking before turning over with the help of stepping on the gas pedal. I used to not have to step on the gas pedal.
    I read somewhere that it could be the sparkplugs, so I just replaced those a month ago. It's been an issue for several months, so it's not a bad gas issue. I've used several tanks of premium gas to help flush out just in case. I also seafoamed the truck through the vacuum lines before changing out the spark plugs.
    And it's not the starter, bc it cranks just fine and there's no clicking or anything like that.
    The only two things that I haven't done is replace the battery (which is 3 to 4 years old) but I haven't because it has no signs of weakening. And I haven't replaced the fuel filter because supposedly Tacomas have a permanent filter. I did try to replace the fuel filter, but I couldn't get it off after loosening the lines (because the lines went so far into the fuel filter on both ends that I didn't have any wiggle room and couldn't pull them out) so I put it back together. If it is the fuel filter, does anyone have any tips on removing the filter.
    Anyone have this issue or can offer suggestions would be greatly appreciated. Thanks yall!
     
  2. Jun 22, 2011 at 12:07 PM
    #2
    MacGyvR

    MacGyvR Well-Known Member

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    How many miles are on the truck?

    I replaced my fuel filter a few weeks back, and I know what you mean about there not being much wiggle room. I just kinda went for it, I pulled hard on the filter and the fuel line and forced it out. Maybe I got lucky, I don't know. I am glad I replaced it though, the truck runs a LOT smoother now. After I pulled it out, I tapped it against the ground and a mud like substance oozed out. Mine was pretty dirty after 150k miles.

    I would also check the battery with a voltmeter (if you have one). If it's taking a long time to turn over it's a pretty good bet that you need a new one.

    On a side note, how is your truck running after doing the seafoam? I ran it through my vacuum lines a few weeks ago and I'm idling too low now (sometimes as low as 500rpm).
     
  3. Jun 22, 2011 at 12:26 PM
    #3
    DblCabMN

    DblCabMN Well-Known Member

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    Ditto Macgyvr - i had to 'forcibly wiggle' mine out - put the new one in and it was rad-smooth. But i had disassembled and cleaned my intake/maf/TB as well so i chalked it all up to everything.

    Anyway - Just man-handle that thing. It'll come out. Just make sure the parts store gave you the correct filter prior to ripping the old one out. I had to plug it and go get a different one. I think they gave me the one for the 4cyl... or a completely different vehicle.

    My truck also 'slow cranks'

    I seem to remember there being a thread about this being an electrical harness issue and that Toyota has a 'fix' which includes a replacement of most of the wiring harness. But i believe it's more trouble than it's worth and is not covered by any warranty/recall - I'm going from memory here, so i could be wrong.
     
  4. Jun 22, 2011 at 1:30 PM
    #4
    MacGyvR

    MacGyvR Well-Known Member

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    Yeah, removing it was a little more stressful than it should have been. Toyota definitely intended for that to be a "permanent filter." I had also cleaned my throttle body plate, maf, and seafoamed the engine, but it did notice a little more smoothness after replacing the fuel filter. It could have been a placebo affect though.

    Also, make sure that you tighten the bolts on the new fuel filter all the way. I was afraid of over torquing it and came out to a puddle of gasoline a few hours later... :anonymous:
     
  5. Jun 22, 2011 at 4:14 PM
    #5
    Yamaha Dave

    Yamaha Dave Well-Known Member

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    I had that EXACT same issue about 6 months ago. Basically I had just purchased a brand new battery and went to Auto Zone to have them test the ignition system and everything checked out ok. Basically it was taking about 3-4 seconds of cranking before it would start up. Although it always started up it still made me nervous so I took it into to the dealership to have it fixed under warranty. It ended up being the fuel sensor that regulates how much pressure of fuel to feed to the injectors. If you PM me I could probably look somewhere over my receipts and get you a part number.
     
  6. Jun 22, 2011 at 6:28 PM
    #6
    beefsteak

    beefsteak [OP] Active Member

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    Awesome! Thanks guys. I'll give the fuel filter a try again. I was afraid to break the gas line and have a bigger headache than a slow start. My truck has 140k miles on it and I seafoamed it and it smoked up the neighborhood enough that people gathered around thinking my truck caught on fire. It might be placebo effect, but I thought it gave me more pickup on acceleration. My idle seems fine though. I dunno if it has anything to do with it, but it was recommended to clean the spark plugs after seafoaming.
     
  7. Jun 22, 2011 at 9:33 PM
    #7
    hulkit

    hulkit Well-Known Member

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    140k isnt too bad i bought my truck at around 283k and around 291k i felt a bit of lag with the truck (started fine no starting issues) did seafoam spark oil air filters and decided to do the fuel filter (i tried to install it myself but had one hell of a time so i decided to take it to my cousins shop and have him do it he showed me the pressure should be around 50 pounds and my filter was only getting 2 pounds through nonetheless my truck is much smoother now

    anyways mines a 2.4 2000 might be completely different scenario just thought id put in my 2 cents
     
  8. Jun 26, 2011 at 2:19 PM
    #8
    beefsteak

    beefsteak [OP] Active Member

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    Did you guys replace the fuel filter with oem part or just an advance auto purolator? I tried to look for the oem part online, but couldn't find the part number. Dunno how pertinent it would be to be oem.
     
  9. Jun 28, 2011 at 8:36 PM
    #9
    DblCabMN

    DblCabMN Well-Known Member

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    I honestly don't recall - pretty sure it was NAPA knock-off... don't recall it being in a Toyota red box.

    Same here on the seafoaming, short term had smoother, 'stronger' if you will, acceleration - seems gone now - but i'm probably due for another foaming through the vacc lines.

    How does one test the pressure in the fuel line? is there cheap-o tool i can buy to test it with? I'd like to know what i'm getting post-new filter...
     
  10. Jun 28, 2011 at 9:01 PM
    #10
    ETaco23

    ETaco23 Marshall offroad Fabrication

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    I did mine on my 02 and got it off of RockAuto for a good price...
    It was a bitch to get out, but doable...
     
  11. Jun 28, 2011 at 9:59 PM
    #11
    Norton

    Norton Well-Known Member

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    x2 on both counts. Wix filter from RockAuto, and some very tight-fitting fuel lines. Definitely doable, but be careful not to cross-thread the fittings when installing the new filter.
     
  12. Jun 30, 2011 at 8:34 AM
    #12
    beefsteak

    beefsteak [OP] Active Member

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    thanks all! much appreciated!
     
  13. Jun 30, 2011 at 5:49 PM
    #13
    03coma

    03coma Well-Known Member

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    Did my with the oem filter, it's hard to get those lines out but if you loosen everything , gas lines and mounting bolt, you can work one line out and then its easy after that.

    Don't forget release the pressure by removing the gas cap first.
     
  14. Aug 12, 2011 at 10:23 AM
    #14
    misterdmac

    misterdmac Well-Known Member

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    I'm about to do mine. Two questions: Does opening the gas cap release pressure system-wide? Wouldn't you have to remove the fuel pump fuse and crank it to release fully? Also, my oem filter came with 4 little copper gaskets. Two pair actually, each pair in its own little baggie. Is that two a side or are those just extras? Did some searching on that but of course there are plenty of replacements to choose from, this one was $17.99 at AZ.

    Hopefully if I don't have to brute it too much I'll find out about the gaskets. Cheers.
     
  15. Aug 12, 2011 at 10:28 AM
    #15
    davidpick

    davidpick NWXPDTN

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    removing the gas cap was enough for my truck when i did it earlier this year. i don't know about the gaskets... my replacement didn't come with any.

    if you don't already have a set, you'll need a line wrench to get it off. i had to go buy a set midway through the project... you have to have them.

    good luck!
     
  16. Aug 12, 2011 at 10:44 AM
    #16
    misterdmac

    misterdmac Well-Known Member

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    Son of a....that does look handy. I'm gonna swallow my pride, go ahead and do that before I start.
     
  17. Aug 12, 2011 at 1:03 PM
    #17
    davidpick

    davidpick NWXPDTN

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    haha, yeah i would definitely recommend doing that before the truck's fuel lines are all torn apart. i convinced myself that i wouldn't need 'em and dug into the project, then had to hop on the motorcycle to go grab a set because i was rounding the ends. took all of 5 minutes total once i had the right wrenches! :)

    here's the set i got: http://www.sears.com/shc/s/p_10153_12605_00942013000P?prdNo=2&blockNo=2&blockType=G2

    edit: i guess they're called "flare nut wrenches"
     
  18. Aug 12, 2011 at 1:13 PM
    #18
    misterdmac

    misterdmac Well-Known Member

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  19. Aug 12, 2011 at 1:31 PM
    #19
    davidpick

    davidpick NWXPDTN

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    soft lines? interesting. my 2000 3.4L has hard lines.
     
  20. Aug 12, 2011 at 4:19 PM
    #20
    misterdmac

    misterdmac Well-Known Member

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    They are hard all the way up from the tank, and then there's about 16 inches I'd say of foam-covered soft line between a junction on the driver side wheel well and the filter. Post filter, it's soft too but switches back to hard before it meets the injectors. Pretty nice actually, made the job virtually stress free since you don't ever have to torque against a hard line.
     
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