rough idle

[/URL][/IMG] I am getting this sound at idle, I havent been able to pin point it quite yet and was hoping some skilled veterans of the 4.0 could point me in the right direction. The truck idles at 950rpm and the sound is sporadic. The motor is currently running 5w40 sythetic Chevron oil, at...

I find myself having to post here again unfortunately, symptoms include very intermittent power loss, of which haven't been able to find a pattern. (It will go a whole day of driving without doing it, ill park in for an hour and get back in and it wont make it 2 blocks before doing it. though...

Hello. I've been trying to figure out why this trucking is idling poorly. I've replaced cam sync and sensor, plugs and wires, and sea foamed it. She runs rough when cold but improves when warmed up. I've attached a plot and freeze frane data with the hope on getting some tips on what to do...

First time posting something. Awesome site by the way. my 2.9 stalls in the morning. I start it and it dies 10-20 seconds after, doing this 2 or 3 times and it idles fine afterwards. I can smell gas like its being flooded or something. I suspect it has to be a map sensor or air temperature...

91 ford ranger 2.9 The other day on a 3 hour road trip the check engine light came on for 15 minutes, and then shut off for the rest of the trip. While driving the other night it came back on; no real loss of power just seemed to be a slight "caming" effect at idle. I ran the obd1 self test...

hi every one, i have a 1995 v6 4.0 ranger splash, Recently i got gas at a speedway 20 mils from home and the next day my truck kicking and jerking run fine for a sec and do the same it idles rough , 6 mo. ago i had the o2 sen. changed and plugs and plug wires, Champion plugs .. the other day i...

Hello Everyone, I'm trying to diagnose a rough idle condition on my dad's 1999 Mazda, B2500. It's a 2.5L, inline 4 cylinder. This truck will start with no problem, but will begin to idle poorly after 20-30 seconds. It will also stall if the throttle is slammed shut. Very weak power overall...

hi i have a 1992 ranger 2wd 4L. during the winter i was getting 7.7 mpg and now im using 14 mpg. i understand in the winter i use heat but im up in canada so im still using heat although its abit warmer out, the rough idle also gets alot better when the air is warm, its so bad on a cold morning...

Well a couple months back i posted about a shuddering problem my truck was having. A lot of people jumped and said it was clutch, but it ended up the clutch is just dandy :D Since then the truck has gotten new plugs, wires, coil pack, intake boot, thermostat, fuel filter, and had the intake and...

Within the next day or so, I'll be replacing the intake manifold gasket. The truck had been running poorly for a while; after a few hundred miles of horrible idle, the hissing noise and a can of carb cleaner pinpointed the problem. I'd already replaced fuel filter, air filter, pcv valve, and a...

After cleaning the MAF, IAC, installing a new air filter, fuel filter, installing a few new vacuum hoses I still had a rough idle. I even got some seafoam and ran in through the brake booster hose and in the fuel tank but still had that erratic idle. I planned on doing new plugs and wires but...

So a few weeks now my truck has randomly given a rough idle when I am stopped and in neutral. I attributed it to a gas station that I had been getting gas at for the last few weeks. I removed and cleaned the MAF & IAC. I installed a new air filter & fuel filter, but the problem persisted. I did...

I just bought a Ranger about 4 months ago to use for work. It is a 97 XLT with 2.3L, 5 Speed and 2WD. The truck looked ok and ran good so I bought it, but what I did not figure on was how addicting this little truck has become! The truck was dirty when I got it. I cleaned the interior very...

Hey everyone, I’m going to try and give as much information as possible. Truck info: 1984 Ford Ranger 2.3L 1 BBL Carter YF Series 7632S Manual 4-speed No A/C No Power Steering Problem: Rough rolling idle, will idle smoother with no rolling if choke is closed, but still not extremely...

I posted this once before but have some better information now. My bronco seems to run fine for about 30 seconds up to 2 minutes and then the idle gets super rough. About 15 seconds after that it stalls out and won't start for about 20 minutes. What could all of a sudden make a good running 2.8...