vacuum leaks

Hi everyone I'm missing one cap on my charcoal canister in my 1993 Ford Explorer XLT 4.0 I hear that this cap being missing could cause my idle to fluctuate I currently have it taped up with black tape therses still one last vacuum leak and wondering if this could be causing it?, side note I...

Hey everyone I have a 1993 Ford Explorer XLT 4.0, when I rev it slowly idles down I fixed most of the vacuum leaks but there's still one I think, it's starting to get on my nerves and I was wondering what I could do to fix it. Also it has a hard start problem after sitting truck has Brand new...

Hey everyone hope all is well I have another question ik for a fact that I have a vacuum leak somewhere on my 1993 Ford Explorer XLT 4x4 I've replaced the IAC valve and purge valve I can hear air escaping when I turn the truck off and it sometimes doesn't wanna start up it idles rough and it...

Hi all, I have a 2000 Explorer 4.0L V-6 OHV (X) with the CE light on and codes P0306, P0171, P0174. It starts great runs good but has a rough idle stumbling when warm waiting at a light. It has 198K miles on her but the engine has less than 30K. I've done a lot of work on this truck in the past...