Ford Aerostar :: 1995 - Back Firing - Difficult To Start
Mar 19, 2014
1995 aero, 4.0 auto AWD. wouldn't start about a month ago and got parked. got around to working on it and it would start and run a couple seconds then just crank and crank, I tossed another edis module on it that i had with no change, tried it without the MAF plugged in, had consistent spark while cranking. fuel pump would prime just fine. after a while I was experimenting around and held the throttle WOT and got a couple coughs.
after a while of cranking and trying different stuff I had began to get a few backfires (and by this time i had the spout and the octane plug out) and I was actually trying to see if i could see backfires out the tail pipe cause i couldn't determine if they were intake or exhaust side, it finally started. it ran really rough and coughed and sputtered and backfired a few times, then after about 30 seconds it smoothed out and started idling like normal.
I took it for a drive and it ran normal, so i shut it off and reinstalled the spout and octane plug and took it for another drive and it ran better (assuming the ign advance is working, so it must not be in limp home mode)
When I first started I pulled codes 114 and 118, ACT sensor out of range and ECT voltage high (Note: when I got it started the gauge didn't show it as being very "warmed up" even though it idled about 30 minutes before I drove it about 10 miles). I am gonna let it cool for the night and see how it starts in the morning, then try pulling codes again...
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I have cleaned the fuel injectors, put in new spark plugs and new spark plug wires. What else I can do. The only time it starts easily is when it's very hot. If I leave it off for just 5 minutes, it will start up quickly. And a few times, when it is dead cold it will start on the first turn. All other times I have to crank it for what seems like minutes. I'm killing batteries and starters on a regular basis.
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I Have a 93 bronco with a5.8 the truck will start up and run fine for a while and then the engine gets really ruff starts back firing and shuts off it only starts with starting fluid or after it sits for about 30 mins.
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My dad and I are having allot of trouble getting our Aerostar to start up . It is getting fuel and spark , and it won't even run with starter fluid . It was running ruff before this . It is getting an all clear on the OBD codes . We took one spark plug out and it was pretty dirty , could that be our problem? Like I said we are getting spark , when we do a spark test . We are totally out of clues .
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I jump started my wife's mini Cooper using my aerostar van 3.0l cargo. Her battery was so dead we had no luck after running my van for 8-10 min. There were a couple of attempts. My van suddenly died when she wasn't cranking the mini. It won't restart.
About one week prior I had a no start situation. I thought I had solved the problem. The first thing I did was listen for fuel pump engagement. I didn't hear it. I pulled the fuel pump relay and cleaned the connections. I put it back and the van started. I drove all week and then I get the call to jump start the mini.
So back to today. Fuel pump is engaging. I checked for spark at #4 cylinder with fuel relay disconnected so as not to flood the engine. I have spark. Battery is strong. I put a new fuel pump relay in place even though it appeared to be working properly. I had my wife crank the engine and the pink/blue wire at the fuel pump relay which goes to the pump lit up my voltage tester. Power appears to be present when cranking and not just initial engagement.
I'm thinking the original no start had nothing to do with the wire connections which I cleaned and it was just coincidence that it started and ran again for a week. The connections are now clean with a new relay attached and not starting. I'm thinking if I have spark and a fuel pump engaging then injectors may not be firing???
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I had a clutch, slave cylinder, and master cylinder replaced about 20,000 miles ago. Everything seemed to be working fine until I drove across the Rockies. The transmission was extremely difficult to shift, and the vehicle would actually roll forward when cranking the engine at fuel stops (temps were minus twenties). Once I got out of the mountains on both ends of the trip (where it was warmer), the clutch worked normally. The local Ford dealer found lots of air in the hydraulic clutch system, bled it, and it worked fine for several months.
The clutch is doing the same thing currently, but not all the time. Some days it's fine, other days it's difficult to shift although double clutching seems to work. It gets particularly hard to shift after a long drive (e.g., interstate driving for a couple of hours). I took it back in this morning to see if the dealer could figure out what is going on, they're saying it's likely a bad slave cylinder. I've heard the 1995 Explorer clutches are a bear to properly bleed, and can't work but think there may still be some air in the system.
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Background - I just got done changing a few things... Exhaust Manifold/gasket, battery cables, valve cover gasket, oil cooler gasket and hoses, power steering pump and hoses, and ball joints. Most of this has nothing to do with the issue that came up as I am driving it back to return it to her.
While out on the freeway, I initially notice subtle power losses and surges. These quickly escalate into almost total power loss with back firing, sputtering and much more noticeable surges in power. The check engine light was turning off then on a few times before pretty much deciding to stay on.
So I nurse it back home on back roads due to its inability to maintain freeway speeds. I proceed to check everything I touched paying special attention to the exhaust manifold and surrounding area. The new manifold came from the j/y and was barely used so I had initially just stuck with the O2 sensor that came with it; I changed this to the one the vehicle had previously been employing as it was not exhibiting these symptoms until after the job was done. I also double checked all the hoses, intake tube, wires and connectors; everything is connected.
From here, I research the method of pulling codes on OBD-1 vehicles by making the check engine light flash. It flashed a 111 and a 172 at the same time; the information I could find said the 111 means everything is normal, and the 172 suggested O2 or MAF. I am reasonably sure the O2 is not the problem so I focused on the MAF. Disconnecting it while running seemed to improve the way it idled so via the process of deduction, which also included the consideration of typical symptoms of MAF sensor failure, I proceeded to replacing the MAF sensor which amounted to little improvement.
At this moment in time the check engine light has not returned but it is clearly not in a drive-able state of being. It actually seems to have ever so slightly improved though.
Additionally, the symptoms only exist when the engine is hot and has been driven; it drives normally for 5-10 minutes until it gets to operating temperature then it starts to crap out. After changing the MAF sensor, I let it idle for 20 minutes and it was fine until about 2 minutes into the test drive.
Speculation - I am thinking spark plugs could also be a culprit as its has been forever since a tune-up but the sudden onset of this condition make me doubt this a little; it also has 8 plugs so even if one or two crapped out it should still run better than this I would think.
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The truck starts up fine. then after a minute or so it starts to spit and sputter and back fire through the intake then dies.
What could cause this? Intake manifold gasket leak?
Will a clogged fuel filter cause this?
5.4 ....
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This van has the A4LD transmission. I know nothing about transmissions, so, when it wouldn't shift from 1st to 2nd, or, 2nd to third, I researched it on here and found a lot of bad reviews. I also found out that it was likely the modulator gone bad, and how to replace it. I replaced it, and although the new one was restricted and the old one wasn't, shifting was back to normal. So, I was thinking, that was easy enough, pretty good for the original tranny which has 297,623 miles on it, and hasn't been serviced since the first 1k!
Well, that lasted about 75 miles. Now it won't go forward or backward. Everything is still in place, no leaks, fluid level is full. I didn't change the fluid or do anything other than change the modulator. (My friend can't afford to service it properly. Now it may need replacing!) I have only seen problems shifting between gears and OD, TC lockup, etc., but, nothing about not moving at all. What might be the problem? Is the tranny history?
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I just picked up Aerostar #6 and am in the process of transferring parts etc. Got this one cheap as it was badly abused and has issues. Big problem, the shifter takes a lot of wiggling etc to get out of park. Is the interlock easy to disable? If so how? Or would a good column from my 93 be an easy plug and play proposition?
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can you replace the upper control arm bushings (pass side) with the arm still in the truck?
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I have a '95 Aerostar where the two lights are always on. I'd like to pull the codes if i can. Does this year has the RABS or the RABS II module. Or is the diagnostic connector the same?
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I was wondering how do i replace the outer tie rod on a 95 ford aerostar awd 4.0L. I have enough for the parts but not extra tools. Need a tutorial on how to do it?
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When I hit the brakes hard like seating the brakes the Aero would stall....
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My mom's 95 shifter is slowly getting worse. Right now it's at the point where we have to hunt for gears just to put it into park or reverse or d/od. It's not stiff like the rest of ours, hers is all sloppy and loose. She says it's been doing this for a while, but i think it got worse when i pulled her cluster out to change the light bulbs. I say this because i couldn't get the needle cable un done, so i just let the cluster rest on it while i was changing the bulbs, which put a little bit of tension on it.
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I have a 95 Aerostar that when in park it is hard to shift into reverse, drive etc. It is an automatic, 3.0 liter.
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Whats the easiest procedure
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Symptoms: (162K miles, last tune up about 70K miles ago) rough idle, and poor acceleration. Occasionally, the car really jerks while accelerating. I read about new plugs/wires, and something called seafoam. I think the highway patrol would pull me over as a gross polluter, but that too seems worth a try. Various sensors and hoses, I'm frankly overwhelmed. Where to start?
Something I learned today: My car was made in 10/95. Apparently, I can scan for trouble codes?!? How and where? Is it OBD I or II or something else? Dumb question: I can't even get the interior engine shroud off. I found three clamps, but it still hangs up near the top. What am I missing?
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I have a 95 aerostar with the 4.0. After driving a while it wants to lose power. It only happens after the van has been running for a while, at least 2 hours or more. So of course I have mostly noticed it at higher speeds because I was on the interstate going a long distance when it happened most recently. But it has also happened at lower speeds, after the van had been running/driving for about 4 hours. The van doesn't die right off. It is idling as the van slows down. So I can come to a stop, and the van is still running. I can get out and look at it sometimes, it eventually will cut off. Pushing the gas does nothing, other than perhaps encourage it to stall sooner. It is a complete loss of power but the engine remains running at an idle. If I wait 15 minutes it will go a couple more miles down the road. If I wait about an hour, I can get even further. Let it sit overnight and it seems like it will drive endlessly but not so.
If I try to restart it immediately, sometimes it will run/stutter for a moment. I can wait a few minutes and it will run for a minute then die. After repeated tries to get it to start and stay running it just won't, and then I just wait patiently for an extended amount of time (30 minutes or more). Also on a couple of occasions the exhaust has smelled very rich, and sometimes was black. All of this has been in the last couple of days and 600 miles. It isn't throwing any codes.
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Trying to replace the burnt bulbs. Did the obvious: removed the two screws but in no way could I take the red lens off. I pried hard almost broke it but it's not coming off. It feels like some other mechanism holding it down. It is the one on top of the lift gate. The inside is just a hole with wires going through. What's the trick?
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My van is leaking oil from where the oil filter extension bolts to the block. Is it an o-ring or a gasket that needs to be replaced? Any unexpexted upsets that I should expect when fixing this?
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