![]() 05/02/2016 at 17:29 • Filed to: help me oppo-wan kenobi, you're my only hope | ![]() | ![]() |
86 2.9 Ranger, won’t idle when hot. Idles fine when cold, but once it’s warm it needs very slight throttle input while running. My thoughts are IACV, because if I unplug that while cold it idles just like it does when it’s hot.
F-Type burnouts for your time
![]() 05/02/2016 at 17:33 |
|
Yup, pull it and try cleaning it to start.
![]() 05/02/2016 at 17:34 |
|
It sounds like you have a problem in the engine area.
![]() 05/02/2016 at 17:58 |
|
That’s what I was thinking. Probably has to do with the car. Could be the engine area, could be the rest of the car.
![]() 05/02/2016 at 18:27 |
|
Most likely, it's something either metal or plastic.
![]() 05/02/2016 at 18:37 |
|
Problem: it’s 30 years old.
Solution: Buy new car
![]() 05/02/2016 at 19:07 |
|
Throttle cable came slightly loose maybe? Try turning it a quarter turn tighter?
![]() 05/02/2016 at 19:39 |
|
If you unplugged the IACV then the motor is always going to sputter right? That’s why it’s there. Sounds like you have a vacuum leak. But I’d do the normal things: plugs / wires / air filter / fuel filter / ignition / fuel pump / look for vacuum leaks / intake gasket / etc. etc. etc. Did ford ranger forums not show anything helpful?
![]() 05/02/2016 at 21:30 |
|
Well, I cleaned it, and it idles WAAAAY better now, so that was at least part of the problem.
![]() 05/02/2016 at 21:30 |
|
See reply to DynamicWeight
![]() 05/03/2016 at 00:33 |
|
when in doubt check vacuum lines. I kept having a weird thing on my 914 it would be hard to start, run rich and then run lean. I thought it was the Aux Air valve. anyway swapped the AAV and if semi fixed the problem before coming back. then it returned. I was double checking to make sure all hoses were on tight when I touched one random vacuum line and my idle instantly smoothed out. it was also one i had to undo to change the AAV, and again had loosened up over time.
lesson: if they are old, change your vacuum lines
and if new, get some hose clamps and snug them up