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vacuum

  1. '87 2.9L Vacuum issue?

    Hello all, been browsing the forums but my first post here. Recently acquired a 1987 Ranger XLT, 2.9L, ext cab, auto. Truck sat for a year before I got it, so it took a few love taps on the starter to get her alive. Upon startup, the engine immediately went full throttle, nothing touching the...
  2. A4LD_Nghtme

    90' Bronco ii losing power/bad mpg

    My Bii was running great up until about a month ago when I got a code 41 CEL. That code has since gone away after a good ol italian tune up and has not returned in the past 3 weeks. However, I now notice that when I hit the gas after being stopped it feels incredibly weak even if i floor it. If...
  3. Chapap

    Unplugged vacuum line- runs better - SOLVED: IAC

    I just replaced injectors and PCV valve. I pulled the top half of the intake manifold to do it. Old injectors truly need to be replaced. Now the truck needs some gas to start and almost dies when going down to idle. It catches itself and gets to a decent idle. So what makes it better? Pulling a...
  4. 2.5L ('98-'01) Weird misfire

    So i have a 1999 ford ranger with a 2.5l engine, a while ago i went to flush the heater core, while doing that i messed up a vacuum line to the heater control valve, since then the poor girl runs like dog crap for the first hour to 4 hours, its like a tractor, sounds like a misfire but no codes...
  5. Pulse vacuum hubs

    Hi everybody! So I am having a problem with the pulse vacuum hub locker staying clipped to the wheel bearing/hub assembly, anyone have any ideas to keep that from falling out? Makes. Terrible vibrating noise when falls out!
  6. 24in of vacuum at idle too high for the 2.8L?

    I did some research on how to adjust the 2150 carburetor on my 1984 Bronco II using a vacuum gauge. Every where I read, they said 18-20in of vacuum is normal for a healthy V6... I was able to pull 24-25in stable on the gauge while idling at a normal RPM.... is this ok?? I would like to add...
  7. 1987 Ford Ranger Not Passing Smog. Help!

    Hey all, new here. Just got this 87 ford ranger 4x4 2.9 manual. It's not passing smog because the egr valve isn't getting a vacuum. Had a shop look at it and I've replaced: the egr valve, egr vacuum solenoid, egr pressure sensor, and on the recommended of the Latest shop, the ecu. About 200...
  8. 87 2.3 5sp 4x2 random acceleration

    Hi gang! Years ago you all helped me get this little 87 2.3 5sp 4x2 with the pcm issue running again which has now been problem free for over 10 years. TYVM! But now I call on you once again with a troublesome little problem. In the last few days I've experienced a new issue. Random...
  9. Question regarding vacuum at PCV port on intake manifold--4.0 SOHC

    Hey Folks, The Vehicle: 2003 Ford Ranger Edge, 4.0 SOHC The Question: There is a port on the forward right side (passenger side) of the intake plenum (manifold) where the PCV elbow and hose is attached (the PCV valve is on the rear of the left valve cover). Should I get full engine vacuum...
  10. Dprocks100

    Vacuum tubing?

    Where do you guys get your replacement vacuum tubing? My truck has the plastic lines that connect with rubber connectors and the only tubing I have been able to find locally is 3ft long which isn't enough and I really don't want to put a rubber splice in the middle. The guy at Autozone told me...
  11. spark plug

    High idle

    I have the 4.0l ohv v6 I had a idle of 12-1500 rpm but I have sense replaced the vacuum modulator on the transmission and immediately after I started it and the idle dropped off at 8-900 rpm within a minute or so but now I have an idle of 980-1k rpm I have the evaporator box out but all vacuum...
  12. 94 v6 4.0 runs for 30s to a minute before stalling

    Had a bad cooling system leak. Lot of white smoke coming out of the exhaust and. Cylinders and oil flooding wIth coolant. Gradually got worse running really rough. So I changed head and intake gaskets this past weekend. Now runs strong with no smoke. For about a Minute before stalling out...
  13. Vacuum line severed?

    Yesterday I noticed that my vacuum line was snapped, part of it (about 3") was completely off... Would this be causing my truck to run loud? Also, where would I be able to buy some? It couldn't be more than a 1/8" diameter and is probably abit smaller. I've looked everywhere and nowhere has it.
  14. Heater Control Valve Vacuum Leak

    Hey guys, I have a 1997 ranger xlt with the 2.3. I found out today that I have a vacuum leak that is keeping my heater control valve from opening up, so no coolant gets to the heater core. I can't seem to find the right vacuum diagram to figure out where the vacuum hoses go either. I believe it...
  15. 4x4 hub question

    So the bearings are going on the front end of my 2000 ford ranger 4x4. I just order new hubs/w bearing but I am not sure if I got the right parts. This is what I ordered from rock auto http://www.rockauto.com/catalog/moreinfo.php?pk=4287453&cc=1362798 I guess I really wanted to know if those...
  16. HVAC vacuum lines

    New member. I have searched for the answer and found some help but not enough to completely help me with my issue. Had to swap out the heater control valve on my 1995 3.0 Ranger XLT. Replacement was easy enough. My problem is that the vacuum line to the heater control was brittle and broke...
  17. Vacuum trouble

    Hello, I have a 1983 Ford Ranger which i'm putting a 351 windsor (w/ AOD) in it and I need to know how to connect up the vacuum hoses. If anyone has a diagram that would be fantastic. I believe the engine is from the 70's, but not 100% sure. I have a holley 4bbl on it as well. Also, if anyone...
  18. My 2003 Ranger Regular cab 5 speed

    Help! I have a fuel injected, 2.3 liter With Manual Tranny and in any gear under load, at any RPM under 2000, it has no power, over 2k and it acts a little hesitant, but goes up somewhat normally, I suspect it is a vacuum advance problem, but this engine is fuel injected, and I can't see quite...
  19. heater control valve help!!!

    What's up guys? I have a 95 ford ranger 3.0 that keeps blowing out heater cores on me. It all started when I got the trans rebuilt, then flushed the coolant and changed the stat. First few months were fine, then it blew out again. Replaced it, then it blew out 3 weeks later. Now I'm on my third...
  20. Sudden RPM Drop Confusion.

    Hey everyone, This is one of my first posts, but i've been lurking for a while. Just got a 94 4x4 4.0L V6 Manual with 225k. engine runs strong, however, There is a moderate leak in the passenger side valve cover. While coming out of a stop into 1st gear today, the engine suddenly lost...

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