Ford Aerostar :: 1997 - Misfire On Cylinder 1 / Bubbles Coming Out Of Radiator
Mar 28, 2016
Replaced pass side cyl head 7 years ago and now I've a misfire on cyl 1. Did wires and plugs as a matter of routine. Giveaway was rust deposit on rad cap. I always keep a strong coolant mixture and the rad is fairly new. Did a cyl pressure differential test and had bubbles coming out of rad. Funny thing is that had a rough few seconds on start, then smooth from then on. Getting my self fired up to tackle it. Have full gasket set and head bolts. Got a new head today. Am at 470k miles now.
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I have a 2007 Prius, my coolant is always overflowing to my reservoir. It doesn't have any overheating problem, if I will fill up the radiator I could see bubbles coming out, How can I resolve this problem?
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My 96 4wd 4.0 Auto has a consistent misfire in the #6 cylinder. I've change out the plugs and wires and am considering changing the fuel injector for that cylinder. Looking it over last night, got me wondering if there is a way to change out the fuel injector without removing the upper intake manifold and the entire fuel rail. As you all know, these things are a beast to work on when the engine is in place. So, is it possible? Inquiring minds want to know (and don't want to spend an entire weekend changing out on fuel injector if there is an easier way )
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I've noticed a spring of coolant shooting out of a connector that I'm assuming is connected to the bottom radiator hose via a smaller hose. Is there a hose that splits off the bottom radiator hose that is smaller. The leak is not coming from the hose, but the connector it's hooked to. Is this a replaceable part? What is it for?
97' Aerostar... 3.0 V6 with AC
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I replaced a failing two way coolant valve and went ahead and replaced the coolant. After this the heater wouldn't get hot, so figuring there was still air in the system I added more (which it took)...and repeated that twice. (and opened the top valve to allow it to bleed). Finally heat.
I got up this morning and the heater still wasn't working....so I added more fluid....which it needed. Now I have heat.
BUT, The engine started running like crap. Code says misfire on cylinder 1. Changed the plug and coil pack. This did not work. (When I pulled plug one out the end of it was dry.)
Could it just be a crazy coincidence Immediately after I changed the radiator coolant that a faulty or clogged injector rare its ugly head? The car was running fantastic before this. I thought, before I check the codes, that some way maybe I overheated the car and landed with catastrophic issues.
I have 378,000 miles on my 07 pruius
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I have changed the COP and the injector as well as the spark plug. I am still having a misfire on #7 cylinder....
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Have an 02 Camry 4 cylinder. The car retains pressure overnight in the radiator - the morning after driving the release of the radiator cap produces air bubbles in the over flow tank and a noticeable hiss of air from the filler neck. Car is not running hot and no CELs. Fluid is not being pulled into the radiator from reservoir after driving due to high pressure.
Here's what I have checked so far:
Exhaust - no white smoke
Oil - Looks fine no evidence of antifreeze
Replaced radiator cap
Hoses and clamps appear to be good
No fluid leaks found
Compression - all cylinders 145 psi +/- 1 psi
Exhaust gases in radiator - no evidence, fluid remained blue after test
Bleed air from system - was hearing the "waterfall" noise from within dashboard when accelerating. Put car on ramps, took rad cap off and ran for 45 minutes. Saw lots of big air bubbles at first then bubbles stopped. The overnight pressure retention stopped for about 2 weeks / 150 miles - but now has returned.
So it seems clear that air is being pulled into the radiator from somewhere. Beginning to think I have a small head gasket leak that is not showing any other signs. Any other potential source that could cause air to be pulled into the radiator?
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My friend's 04 Sebring (6cyl) is overheating. After start up, almost immediately the water bubbles in the radiator and heat builds. He has replaced the radiator, thermostat, water pump, and even rebuilt the heads - still the overheating issue. What may be the problem and how to correct?
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My truck has developed a misfire on cylinders 1 and 5. The OBD2 scanner at autozone says code P0300, Po301 and P0305. I bought a new set of plugs and wires. Problem still there. I then replaced the both coils. Problem is still there. Is there a control module or something that could kill those 2 cylinders like on the older trucks with distributors?
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I have 97 150 it has a misfire on cylinder 4 and 6. I put new coil packs on and new plug wires. Spark plugs are only a year old. what else it could be?
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I have an 01 5.4 Triton with engine light on I put it on the scanner and it read miss fire on cylinder 6 and 1 I changed the cops and plugs boots and spring erased the codes but the check light is back on and scanner is say miss fire on same two cylinders u can hear it in the exhaust u can smell gas when sitting at an idle around 40 MPH has a slight engine shake goes away when u accelerate I am not sure what else to do some one told me to check for vac leaks and fuel pressure.
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So my 99 F-150, 4.2L started throwing a code a few weeks ago, P0306 #6 Cyl Misfire. This thing has got 238,000 and has been the most reliable commute vehicle I've owned.
Today I changed all the plugs and wires (they were due anyways) which didn't resolve the issue. After clearing the code, got about 3 miles out and it came back. Running SeaFoam through the system on this tank as well, but I'm leaning towards an EGR blockage like what is described here:
Sparky's Answers: 1999 Ford F150, P0306 Misfire Cylinder #6
I was about to buy a new coil pack but I'd rather not continue to throw parts at this, as I've read many others do with this same exact situation, only to end up with the same code. I've replaced the coil pack once already a few years ago when I lost a cylinder on the way to work.
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I have a 1999 F-150 4.2L with a misfire in #5 cylinder. I have replaced plugs, plug wires and coil pack, checked compression (147 psi) and ran 4 cans of seafoam thru it and still getting misfires on acceleration. It'a a 5 speed and it sounds rough and runs a lil rough as I go thru the first 3 gears, then it runs good as I get up to speed and cruises fine at 80mph. I'm thinking a bad fuel injector???
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My 97 F150 through a CEL Tuesday night P0301 so I picked up a new plug because it's cheap and simple, but that didn't do anything. Spark plug wires are about 3 months old, I also swapped injectors between 1 and 2, and misfire stayed with cylinder 1. It also gained a tap when the misfire started but only above idle, but it doesn't sound like a rod knock.
I also noticed if you unplug injector 1at idle it taps/knocks 3 or 4 times, however if you unplug any of the others it doesn't do that. I checked and I definitely have good spark from the plug. I plan on picking up a new compression tester tomorrow since mine never was returned. If you take the oil fill cap off it doesn't have any blow by at idle, however if you rev it you get a quick cloud out of it.
I thought about picking up a kit to check the injector pulse.
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I have a 2000 4.6 2wd f 150 ext cab. I started to have a misfire problem on cylinder 8 every so often usually in the mornings or if there was moisture in the air. It gradually got worse over time and when I got it read it had gone to cylinders 5,7, and 8 with the misfire codes which said misfire cylinder whichever primary/secondary circuit misfire and it has now gone to cylinder 2 as well. I replaced all the coils and the plugs with autolite platinum plugs and new coils for this motor and the problem has not changed. It came right back after I cleared the codes, what possible causes I could check out....
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I have a 2001 King Ranch F150, which has a 2004 Lincoln Navigator 5.4 DOHC Intech engine installed. The engine was installed in 2005 and had less that 100 miles on it. The engine now has approximately 95000 miles and I have recently got the P0307 fault-miss fire on # 7 cylinder. I have installed a new spark plug, COP, and fuel injector. The fault has returned. Any clues to the cause of my problem?
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Where do I start? Pull the coil?
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I've got a 1997 f150, 4.6. It sat for year and a half, trans went out and it wasn't my primary vehicle so wasn't to worried about fixing it. Until now, well got a new trans put in it, fired it up. And had a misfire, #3 and #8. Changed plugs and wires, same thing. Getting spark at the plug. So I changed both injectors, still nothing! I'm kind of stumped now.
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I have a '98 F150 4X2 extended cab with a 4.2l with 233K on it. I have no problem with drivability when I drive 5 miles to work. However, a couple of weeks ago when I had to drive 15 miles to the liquor store to get what I needed (I live in a dry county) I got back into my truck, started it and drove of. It drove like crap like I lost a cylinder. Drove it back home those 15 miles, let it cool off, put my scanner on it and got a PO304 code and I think a PO174 (bank 2 lean) code. Went to the #4 cylinder and found the plug had loosened up.
Tightened it back up, cleared the codes, and went through my normal weekly routine of driving to work with no problem. Made a booze run the next weekend and the same thing happened. Limped back home and found another PO304 code. Found the plug to be tight and in good condition but changed all the plugs since they were cheap copper core and had 20K on them. The wires only have 20K on them, too. Installed platinum plugs, drove all week 5 miles to work and back just fine. Made another 15 mile run yesterday and the same crap happened all over again after I got out of the store and drove home.
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I am at about my wits end with this P0301 (Misfire On Cylinder #1) code on my 2003 Ford F150 4.6L. I've replaced the coil pack on that cylinder, all the spark plugs, and replaced the fuel injector on that cylinder. We keep clearing the code and it keeps on coming back.
The weird thing is that it only misfires after the truck has set for a few hours and then it only misfires when I first put it in gear. Once I am out of the driveway and on the road it's fine for most of the day unless I let it sit for several hours and then it might misfire again.
We noticed that the connector to the fuel injector is wobbly and doesn't snap tight to the fuel injector (before and after it was replaced) due to the clips on the side not working well. We zip tied it together this afternoon to make it fit tightly to the fuel injector to see if that works.
What could be causing this? Other than that misfire the engine sounds great and the trucks runs very well.
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1997 Ford Mustang 4.6L EFI engine with 67K miles. The engine is actually now in a Factory Five Roadster. It sat on a stand for 5 years but runs well now with the exception of the code. I keep getting a code P0304 (cylinder 4 misfire) and I've checked the plug - the code seems accurate; it is misfiring.
Things I've tried:
1)swapped plugs,
2)this is a dual coil engine so I've swapped coils,
3)the #4 plug is the longest sparkplug wire so I've gotten high-performance wires,
4)heavily grounded the AL head,
5)put dielectric grease on the plug,
Still, ONLY cylinder 4 gives the misfire.
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