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Cleaning EFI Engines

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    #1

    Cleaning EFI Engines

    I am not so afraid of cleaning the lopo because that's coming out in the near future. However, my 4.0L in my Ranger is going to stay until it dies. So, I need to degrease and power spray the driver's side inner fender and that side of the engine, due to a possible power steering hose leak. The truck was rewired and a lot of the wires, terminals, and plugs are on the inner fender. They were covered with p/s fluid yesterday. I would like to replace the hose and then degrease the fender. Can I do this to the wires and such? Without having any issues?

    Thank You


    Packman
    Tags: None
    #2
    I would disconnect/pull back as much of the wiring as you can before you spray, working around the wiring that's left. Then just wipe the oil off the wires/connectors, then wipe again with a rag wet with electric device spray cleaner (it exists). Then clean out each connector with the spray, blow dry, then put a dab of di-electric grease on each prong and a thin smear of it around the outside of the male end of each connector plug.

    But that's just me. Factory connectors can withstand a mild pressure spray, but if there are a lot of crimps and connectors exposed to the elements I'd be more hesitant.
    Pete ::::>>> resident LED addict and CFI defector LED bulb replacements
    'LTD HPP' 85 Vic (my rusty baby) '06 Honda Reflex 250cc 'Baileys' 91 Vic (faded cream puff) ClifFord 'ODB' 88 P72 (SOLD) '77 LTDII (RIP)
    sigpic
    85HPP's most noteworthy mods: CFI to SEFI conversion w/HO upperstuff headers & flowmasters P71 airbox Towncar seats LED dash light-show center console w/5 gauge package LED 3rd brake light 3G alternator mini starter washer/coolant bottle upgrade Towncar power trunk pull underhood fuse/relay box 16" HPP wheels - police swaybars w/poly rubbers - budget Alpine driven 10 speaker stereo

    Comment

      #3
      I've always just used the engine cleaner at the do-it-yourself car wash. I have no idea if that can possibly be bad though.
      1987 Grand Marquis LS (GONE!)
      1990 Grand Marquis GS

      I like to go fast

      Comment

        #4
        Over the years I've cleaned a lot of engine compartments by dampening them with a fine soft spray, covering them with something like fantastic or 409, letting it sit until it starts to evaporate, and rinsing with a still fine but somewhat harder spray. Very dirty maybe repeat a couple times starting it between.

        It's not steam clean but it does do quite a bit. I've been fortunate to never have a dead car afterwards but might just be lucky. Ymmv.

        Pete
        Originally posted by gadget73
        For other types of inquiry, more information is required. Please press 4 to speak to a representative who can help you with your question. This call may be monitored for quality assurance purposes.


        2003 Grand Marquis Ultimate, the "Stealth Bomber": http://www.grandmarq.net/vb/showthre...-Grand-Marquis
        1991 S-10, 'Bulldog', 2.5l 5 speed: http://www.grandmarq.net/vb/showthre...375#post698375
        1985 Town Car, 'Faded Glory', gone but not forgotten. 84/87/91/97 MGMs too.

        Comment

          #5
          electric device cleaner... contact cleaner works as well.

          simple green and the works also work but have very potent fumes.

          Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Albert Einstein
          rides: 93 Crown Vic LX (The Red Velvet Cake), 2000 Crown Vic base model (Sandy), 2003 Expedition (the vacation beast)

          Originally posted by gadget73
          ... and it should all work like magic and unicorns and stuff.

          Originally posted by dmccaig
          Overhead, some poor bastards are flying in airplanes.

          Comment

            #6
            I have some aerosol contact cleaner. I also have ZEP degreaser as well. Here are a couple pics of the mess. It looks greasier in person. THe camera isn't picking it all up.






            Packman

            Comment

              #7
              You guys are too gentle. Douse the shit out of it with Simple Green and go to town with an electric pressure washer. If it doesn't run when you're done, something was messed up anyway. Contact cleaner is like 6 bucks a can and it leaves nasty residue behind when it evaporates.
              86 Lincoln Town Car (Galactica).
              5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley

              91 Lincoln Mark VII LSC grandpa spec white and cranberry

              1984 Lincoln Continental TurboDiesel - rolls coal

              Originally posted by phayzer5
              I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers

              Everything looks like voodoo if you don't understand how it works

              Comment

                #8
                That is what we call rust proofing around these parts. =-)

                Alex.

                Comment

                  #9
                  Ah that's not so bad, I was picturing a mess of loose wires and exposed crimp terminals everywhere.
                  Pressure washing isn't really terrible, but I'd try not to soak the distributor and alternator. You'll be surprised how much of that mess will just wipe clean with a rag. I usually do that for the heavy oily dirt (dry dirt doesn't wipe up), then just wet everything down and let some foamy cleaner soak in for a while, then hit the fenders/rad support with a big bristle brush, then go back with a smaller brush for any nooks and crannies you want to clean. If its gunky enough, pressure washing is the only thing that will get the gunkiest of the gunk. Layered up greasy/oily grime/dirt is almost impenetrable to any cleaner unless you physically scrape off the heavy stuff first.
                  I guess it really depends how much time you have and how picky you are.
                  Pete ::::>>> resident LED addict and CFI defector LED bulb replacements
                  'LTD HPP' 85 Vic (my rusty baby) '06 Honda Reflex 250cc 'Baileys' 91 Vic (faded cream puff) ClifFord 'ODB' 88 P72 (SOLD) '77 LTDII (RIP)
                  sigpic
                  85HPP's most noteworthy mods: CFI to SEFI conversion w/HO upperstuff headers & flowmasters P71 airbox Towncar seats LED dash light-show center console w/5 gauge package LED 3rd brake light 3G alternator mini starter washer/coolant bottle upgrade Towncar power trunk pull underhood fuse/relay box 16" HPP wheels - police swaybars w/poly rubbers - budget Alpine driven 10 speaker stereo

                  Comment

                    #10
                    Get some cans of gunk and go to town.
                    2020 F250 - 7.3 4x4 CCSB STX 3.55's - BAKFlip MX4
                    2005 Grand Marquis GS - Marauder sway bars, Marauder exhaust, KYB's
                    2003 Marauder - Trilogy # 8, JLT, kooks, 2.5" exhaust, 4.10's/31 spline, widened rear's, metco's, addco's, ridetech's 415hp/381tq
                    1987 Colony Park - 03+ frame swap, blown Gen II Coyote, 6R80, ridetechs, stainless works, absolute money pit. WIP

                    Comment

                      #11
                      yea blast the shit out of the engine compartment. stay away from the distributor

                      1986 lincoln towncar signature series. 5.0 HO with thumper performance ported e7 heads, 1.7 roller rockers, warm air intake, 65mm throttle body, 1/2" intake spacer, ported intakes, 3.73 rear with trac lock, 98-02 front brake conversion, 92-97 rear disc conversion, 1" rear swaybar, 1 3/16" front swaybar, 16" wheels and tires, loud ass stereo system, badass cb, best time to date 15.94 at 87 mph. lots of mods in the works 221.8 rwhp 278 rwt
                      2006 Lincoln Town Car Signature. Stock for now
                      1989 Ford F-250 4x4 much much more to come, sefi converted so far.
                      1986 Toyota pickup with LSC wheels and 225/60/16 tires.
                      2008 Hyundai Elantra future Revcon toad
                      1987 TriBurner and 1986 Alaska stokers keeping me warm. (and some pesky oil heat)

                      please be patient, rebuilding an empire!

                      Comment

                        #12
                        purple power is better than gunk and cheaper
                        i am the king of cheap

                        1986 lincoln towncar signature series. 5.0 HO with thumper performance ported e7 heads, 1.7 roller rockers, warm air intake, 65mm throttle body, 1/2" intake spacer, ported intakes, 3.73 rear with trac lock, 98-02 front brake conversion, 92-97 rear disc conversion, 1" rear swaybar, 1 3/16" front swaybar, 16" wheels and tires, loud ass stereo system, badass cb, best time to date 15.94 at 87 mph. lots of mods in the works 221.8 rwhp 278 rwt
                        2006 Lincoln Town Car Signature. Stock for now
                        1989 Ford F-250 4x4 much much more to come, sefi converted so far.
                        1986 Toyota pickup with LSC wheels and 225/60/16 tires.
                        2008 Hyundai Elantra future Revcon toad
                        1987 TriBurner and 1986 Alaska stokers keeping me warm. (and some pesky oil heat)

                        please be patient, rebuilding an empire!

                        Comment

                          #13
                          simple green smells better than kerosene based gunk

                          Comment

                            #14
                            Yup I was taught early how to clean a motor Lol! Even carbureted cars.. I agree with gadget just blast that shit.. Simple green and purple power work wonders as well as Greased Lighting but if you feel like making it a project go get a couple cans of gunk and Deuche the whole motor..


                            Sent from my iPhone using Tapatalk

                            Comment

                              #15
                              After seeing the pics, agree with gadget ... just blast it.

                              Sent from Blaster coming at ya from Autobot City.

                              Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Albert Einstein
                              rides: 93 Crown Vic LX (The Red Velvet Cake), 2000 Crown Vic base model (Sandy), 2003 Expedition (the vacation beast)

                              Originally posted by gadget73
                              ... and it should all work like magic and unicorns and stuff.

                              Originally posted by dmccaig
                              Overhead, some poor bastards are flying in airplanes.

                              Comment

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