Ford Ranger / B-Series :: 1987 V6 - Intermittent Miss At Idle When Warmed Up
Dec 4, 2013
I have a 1987 ranger 2.9 V6. Have a intermittent miss @ idle when warmed up. What is the proper way to pull the codes from the computer, i,st something about counting flashes or lights...
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1993 3.0 V6 5 Spd ... Changed plugs wires Cap and rotor put in a new idle control Valve. No Check engine light. When i am running down the road feels like it surges,hickups, while its at idle the motor shakes like no tomorrow. Just dont want to throw money at something and not be the part that was wrong. Truck has plenty of pickup runs like a raped ape going down the highway. seems when i accelerate the miss clears up and not there. RPM gauge needle has some movement in it. Also put in K&N filter fuel filter as well.
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My ranger 2.9 automatic 2WD has an high idle when started for about 6 min, engine can be hot or cold, still get the high idle, then it will drop to around 900-1000. I've changed the Idle control twice, checked EGR function. Replace temp sensor. Disconnected battery for 15 min. No code output.
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Its a 1994 with 4.0, automatic, 4x4. Running fine, parked it, a week later I'm getting a bad but sporadic miss that according to the stealership is the 3 cylinders on the right bank dropping in and out. Driving down the road you can feel them drop out and when they come back its a kick in the pants like a turbo kicked in.
Shop says wires are good, plugs are good, and then lost me when they started talking around in circles and not making much sense.
What could make 3 cylinders all on the same side of the engine drop in and out? This wasn't anything that slowly came on. Fine one day, crap the next. The only thing I did prior to was replace the IAC because it was idling high, it was cruddy inside, and it looked like it was original. It was running fine after that till this issue popped up out of nowhere.
Mileage was claimed to be 178k but I'm beginning to suspect it's probably 278k.
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I have a 85 bronco 2, but i have no luck with responses in Bronco 2 forum, so here goes. It is the 2.8 carb, manual trans with 109K miles. Idles really well some hesitation when taking off but really bad miss and not power under acceleration. KOEO codes are 31 and 84 CM code 18. I have plugged the vacuum line to the EGR and have noticed a dramatic difference. I have tried to rev the engine and check the vac line to the EGR but I do not feel any vacuum, and at idle the vac line on or off doesn't change things. Any recommendations to whether it is the Sensor or the valve itself and what gives with the 18 code. I am hoping to have timing checked by the weekend.
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I have an 87 ranger, 2.3 4cyl. 2wd 5 speed. When I start up the truck after it sits for a few hours it will idle fine but then it starts to bog down and wants to stall but after about 5 mins its fine and runs like a champ. I don't know if its a sensor or what.
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1987 Ranger and the computer will not communicate. I'm trying to check for codes because of a rough idle and stumble when starting out from a stop. Check engine works but won't flash when using a jumper across the data link. Used a OTC scanner but it only times out and comes up "no data". Where to go from here?
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I have an 87 ranger that has started having problems over the last week or so. I had a similar problem a year or so ago. I put a new fuel pressure regulator on and it fixed it. So it started acting up again so I got another regulator and it didn't work at all. It won't idle at all without dying. The motor revs up then cuts out completely and dies. It's like I'm repeatedly pressing the gas pedal when I do get it to idle but I'm not touching it at all. It runs fairly well on the road until I let off the gas then it goes to shaking and jumping up and down till I get back on the gas.
A guy told me to unplug a little cigarette pack shaped plastic box and see if it changed anything. I think he called it a map sensor? But that didn't do anything. I was thinking maybe the fuel filter was clogged up but I don't really know. It is fuel injected 2.9 4x4 regular cab. About 110000 miles. Not sure if filter has ever been changed. It doesn't smoke or smell like gas so I'm thinking it's starving for fuel.
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I have a 87 ranger with a 2.9 and recently it started to act up when i start after its been sitting for a couple hours it has a rough rolling idle and will stall out and a lot of white smoke out the tail pipe and some times a tiny bit of black smoke when revved high....after a about 10 mins of feathering the gas it will even out and runs no problem.... oh and quite a bit of moister comes the tail pipe....and this issue just occurred over night every time before never had an issue like this...
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How many O2 sensors does a 2.3 fi 4 cyl. have. I think just one on the manifold, but I'm not completely sure. Engine is running very rough and seems to miss at low RPMs, has no power and drinks gas like crazy!!! Emissions light is on on the dash. I'm thinking O2 sensor......tried replacing, but couldn't get enough torque on the sensor socket wrench to loosen, may be rusted.
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I bought a used Ranger a couple months ago and it ran fine when I test drove it but a week later it started having a misfire every now and then at idle.. I must have gotten pretty unlucky with the test drives..
The misfire comes and goes, it will run fine for a week or two and then it will misfire at idle for a week or two. It only seems to misfire at idle, the truck runs rough/shakes but once you give it a little gas and start moving it goes away. Usually it has a check engine light on from startup when it's misfiring and it goes away on days that it's running fine; it will occasionally misfire at idle with no check engine light. Sometimes when its running really rough the CEL flashes while it's misfiring at idle and I've actually restarted it real quick and the misfire went away for a bit. The engine codes that come up are misfire on startup and misfire on cylinder 4.
I've tried cleaning the MAF sensor, replacing the fuel filter, testing for spark and compression. Compression was 150-155 PSI on all cylinders, however, the compression on cylinder 4 is different depending on whether the truck is running well or not. When it's misfiring the compression on cyl. 4 is 90 PSI and when it's running fine it's 150 PSI. I'm not sure what could be causing intermittent low compression like that?
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I own a 1987 Plymouth Horizon, 70, 000 miles on it. Long story short, The car sat for 3 years without being driven. It would just be started up whenever the other owners wanted to. I have fixed a lot of its problems, and replaced tires, brakes, hoses, belts etc.. Problem I am having is when itis started up it is at a very high idle and will not allow you to kick it down till it warms up or it idles down on it's own after being warm. I have sprayed carburetor cleaner around the linkage and so on but it still does it. What could be causing it?
Like I said the car sat for 3 years and did have gas in it when I bought it and not being able to drain out the old gas I put HEET gas-line antifreeze & water remover in it. The fuel filter has been changed out twice. Once you get it on the road it runs like a champ for being 24 years old. It's just the high idle when you first start it up. The owner of it had some little quirks I guess you would say. He had and they are still there, two clothes pens on the gas rail/line and they were there because of vapor lock. They are located on two different parts of the line I guess to balance it out. Now I don't know if this is true or how even remotely possible two clothes pens could have anything to work with vapor lock. Now I do know that on occasion it will run a bit and stop when you cut off the engine, though not all the time....
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My 99 ranger has a strange issue its got a miss when the A/C is on, when going down the road I can feel the engine sorta pulse for a second, gets better the more I drive it, its got all new plugs and wires, not sure where else to look?
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I have an '08 Ranger, automatic. For the last several months, the truck has been making an intermittent high-pitched squeal/whine, but only after it has been warmed up (10--15 minutes driving) and only while it is idling. As soon as I'm driving, the whine stops; whine will occur both in drive (but stopped) and in park. The whine will not happen every day I drove, nor will it happen at every stop. When it does squeal, the squeal will fade in and out in volume.
An interesting kicker I've found recently: it seems to be dependent on electrical draw. For example, if I'm sitting idle with the lights on, and the truck is squealing, and then I turn the lights off, it suddenly squeals less. Still squeals, but less than with the lights on.
I have had mechanics check all the usual suspects, belts, etc, but have not found anything amiss. Nor can I actually get the squeal to occur when I visit the mechanics.
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I have a 98 4x4 with 145k miles and 4.0 OHV. Symptoms are as follows;
Uses ALOT of oil. 1 quart per 230 miles. Burning bad in rear cylinders, some in middle cylinders, none in front cylinders. Screams intake or PCV issues to me, not rings or valves. Never any smoke, not even on startup. No significant leaks. MPG always 18-20mpg.
Slightly rough idle.
Miss under load below 2k rpm. Not a terrible miss, but you can feel it. Has never lit the CEL. I know the CEL is good.
Never loses coolant. No coolant in oil or vice versa. Haven't done compression test, but doesn't seem like they ever tell you much anyway.
This weekend I replaced all intake gaskets, plug wires, cleaned oil residue off and regapped plugs (they are 3 months old), injector orings, and PCV valve. Flushed and burped radiator.
It's too soon to tell on the oil consumption, but I thought the intake gaskets would have cured the rough idle and misfire. The idle IS much better, but still not perfect. But the low rpm load miss is actually worse now. Still no CEL. Could it be storing codes without lighting the CEL? Also, how do you clear codes on these, can you just disconnect battery, or do you have to clear them with a scanner?
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Which transmission came with the 1987 Ranger 2.9L?
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2002 Ranger XLT 4WD 4.0.. I was passing another car at about 55 when they also started speeding up (go figure) so I floored it and got on around them but before I lifted I felt it miss, the CEL began flashing so I slowed to the speed limit and went on to work. The light flashed for about a mile then went out. So on the way home I floored it again close to home and the CEL came on again. Got home and put the code reader on it and all it had was a random misfire so I have cleared it. The truck has new plugs, wires, etc for a complete tune-up. I don't usually run at full throttle so don't know if that would be normal for the Ranger, the Ranger was my wife's truck for 12 years and now is my DD. Need to clear this up? Thought of changing the fuel filter in that is still the original one.
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Just hoping that there is something common that causes this problem. This thing can idle just as smooth as you could want one to and the next time it will have a dead miss, and the miss is not consistent. It may miss like three hits then be ok a little then miss a little. There is no CE light or codes. Again just hoping there is something common.
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I have an 87 v6 ranger with 5 speed that has been sitting for several years. The truck only has 48000 miles on it. The gas tank has been cleaned out and both fuel pumps have been replaced. The injectors were pulled and cleaned...
It will start up and run for about 5 minutes and then will shut off. It will not start after that until the next day and then does the same thing. It starts up and runs then shuts off and can't get it to start again. Could it be some kind of circuit breaker tripping or maybe the ecm. If it is the ecm how do you test it...
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I have a friend who drives a 1987 ranger 2.3 4 cyl and is having problems with oil building up in his air cleaner. I thought maybe it was a bad pcv valve or worn out rings. I looked at it and cannot even find a pcv valve on it. it has one hose that runs from the valve cover to the air clean but there' s no valve in it. are the rings shot or what is causing this to happen?
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Still cant seem to fix this 87 ranger 2.9... NEW fuel reg, fuel press reg, rebuilt computer.cold it will start and run fine.then it will shut down with in 5 to 18 miles then you cant hear the front or rear pumps at all!. Let it sit over night and your off again.. Can't get any codes.. Can a pump over heat and shut both off??
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