Ford F-150 - 1997-2003 :: Slight Blue Smoke At Idle When Revved Up
Apr 24, 2016
97 f150 4.2 ... Got a pickup awhile back and was smoking excessive mostly blue. Pulled the motor and had exhaust valve with hole in it and intake valve not seating on separate cylinders. All new gaskets and put back in truck. Deleted catalytic since they were both destroyed and cleaned muffler as best I could. Now it smokes but mostly white when revved up and maybe slight blue at idle. It's not using coolant or oil but went through five gallons of gas in short time.
Tests I have done : Checked fuel pressure and holds 38 psi all day. Tested maf o2 sensors, one is bad and tested vacuum and compression all good. It seems to be over fueling to the extreme. idles a little rough and will backfire on occasion. No check engine light but had all the o2 sensor issue codes. I'm leaning toward bad PCM... Would that cause the smoke rough idle and super rich condition??
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Early 99 7.3. Runs ok has a slight miss at idle however every injector when unhooked makes a change. Has white and blue smoke From the exhaust. Has enough blow by to blow the oil cap off as your unscrewing it. My question is, I know engine restore is bad for these trucks but I can't afford to rebuild the engine. If I run the restore and then clean the IRP once the truck dies is this going to mess anything else up. Do you think it will by me a few months to save up for a rebuild
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After tooling around town and a complete warm up cycle for the engine I encountered a problem. The situation is this.... Had to go around a slow poke....waited until traffic had cleared and nailed it. My truck belched out a boat-load of blue smoke from the tail pipe. Could not duplicate this on the return trip to the stealer (Dealer). Needles to say, I am worried about the health of the engine....(no codes popped, or anything else as I had a code reader hooked up) My truck did the blue cloud again with a rev up in park after a cool down but wouldn't do it again, but there was a strong smell of unburned fuel at the tail pipe.
4.6L, 2WD, Sport Package....
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Alright so In January had head gaskets done on my truck and when I got it back it Dont have any low end power and I noticed it was using oil. If I let it idle 15 min or so and rev it up it blows out a bunch of blue smoke and smells like oil bad. Been trying to figure out whats going on. Ive only put about 800 miles on it since I got it back for the head gaskets And its burned at least 3 quarts of oil. Its going to the shop on Monday gonna start with compression check and go from there I'm Thinking Its valve seals or a bent valve. But machine shop surface and pressured checked the heads. Truck only has 146000 miles on it shouldn't be having these lined of problem. Its an 03 5.4.....
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I only see it on start up, after it starts I don't see blue smoke or smell it could this be valve guide seals? If so are they hard to change? This truck has 168000 miles on it and has a 4.6 engine.
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I am only at 141,000 miles and I'm seeing blue smoke while I idle! It started as a small puff of blue smoke when cold starting up...now it is much more consistent. I am also getting a diag trouble code of P0674 (glow plug in cylinder 4) can that be the cause? I'm nervous since I didn't watch my tech put oil in the truck at the last oil change...I think he put four gallons in instead of 15 quarts...is that a prob?
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I noticed a few puffs of blue smoke a while back as well as oil at the seam of the exhaust tubing. I attributed it to bad turbo oil seals and proceeded to rebuild the turbo. Changed oil at the same time from T6 to T5, 15-40. The blue smoke is quite a bit less, but still shows at idle and not all the time.
First start up of the day, slight haze. I leave the house when the oil temp gets above 100 and drive easy until it gets to 160. I will get a pretty good train of smoke until the oil temp gets above 180 at every stop while I'm idling. When the oil temp gets above 180, it will only smoke every 3rd or 4th stop at idle. If I hold the brake and get the RPM's over 1,000, the smoke dramatically decreases, if not completely dissipates.
I do have the CCV rerouted and am wondering if it is affecting the operation of the engine.
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I've been chasing a problem all summer. Began with crappy batteries dying intermittently. I replaced the batteries, FICM, finally cleaned EGR valve and replaced ICP with pigtail. The problem is still persistent. Basically a rough idle, puff of whit smoke on cold startup, rough running at around 1500 rpms( driving at 50 mph). The ICP was soaked in oil so i was confident replacing it would finally cure my issues. It actually got worse with the rough idle turning to a surging idle and quite rumbly at 50 mph speed. I guess its time to look to injector issues but i thought id check if after replacing icp/ cleaning egr. I also have a slight exhaust leak at turbo out that i can see. The clamp is not seated properly. This after turbo connection to exhaust.
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I have 2002 f150, fx4, ext cab, 110000miles 5.4 automatic truck, i just replaced my spark plugs, it still have a little miss, thought spark plugs will resolve but its the same, im wondering if i should change O2 sensors? clean EGR Valve? IAC valve? i am not getting good gas mileage and maybe its this missfire or something, its runs good without any problems, just this slight miss makes me think if its the cause to bad MPG.
I tried to find threads with pictures of how to change O2, how to clean EGR, and IAC, i remember seeing these threads but cant find em. And you think these three things will resolve my MPG and the slight miss?
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2004 f250 6.0, 173k miles. I just had the head studs done and a new head due to a crack in one head, I got it back 3 days ago and she was running great. I towed my landscape trailer yesterday full of mulch and only went about 5 miles with the load, after the job driving to another one I noticed it sounded like it was missing at idle with a small amount of white smoke. Drove it home let it sit overnight, started it up this morning and a cloud of white/ blue smoke and a horrible rough idle. Smoke does not stop.
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My cars runs great no smoke unless i let it idle for a while then go there might be a little white smoke or blue smoke just depends, doesn't do it all the time just random, my oil is perfect no water in it so I don't think headgasket, its running a precision 50 trim bigger injectors and full 3 inch exhaust.
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2003 F150 5.4 72852 miles
I have a Rough Idle & sometimes a hesitation or stumble on acceleration. I cleaned the MAF & IAC motor & Air & Fuel Filters are new. I got a 20890 scanner & ran test 6 53 as suggested in many posts by BlueGrass. Here are My results & what They Convert to.
1 00F5 .3675
2 0051 .1215
3 0000
4 0000
5 00A3 .2445
6 0000
7 0000
8 0000
I'm guessing the cop's are ok & probably need plugs? I was hoping to just swap a coil. Too cold to do plugs & truck won't fit in my garage.
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so i bought this truck about 3 months ago and it was running real bad when i got it, I went ahead and changed the lower and upper intake gaskets, cleaned throttle body, egr ports on lower and upper intake, did timing chain cover gaskets and 3 bad injectors i found while doing gaskets, truck ran better but still black smoking(running rich) and getting 8 mpg. So I changed fan clutch,fuel pump fuel filter,airfilter,MAF sensor(old one was pulling 14.4 volt), DPFE sensor and all 4 oxygen sensors(old ones carboned up and real sooty).
I've checked my egr valve while idling and when it opens the engine just about stalls, truck seems to be running better but CEL light came on again and is throwing these CODES:
P0453 (evap emission ctrl sys pressure sensor high input),
P0141,
P0153,
P0135(oxy sensors),
P0401exhaust gas recirculation flow insuff detected,
P0460fuel tank level indicator circuit error.
And I believe I've told everything i know ...
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My daughter bought this truck about 6 months ago. This morning a driver cut her off, then hit his breaks. She had to make a panic stop. When she went to take off again, 1st and 2nd was no problem. When she shifted into 3rd, the engine just revved.
She tried to shift back into 2nd, but it wouldn't go into 2nd. She pulled over and now it won't go into any gear. The shifter lever won't even go over far enough to go into 4th, 5th, or reverse. I doubt the panic stop had anything to with it, but thought I'd throw it out there, just because.
Okay here's the truck: 1997 F150, 4x4, base model, short bed, 4.6L, 5 speed manual, manual transfer case, 190k miles. Truck has been beaten and abused badly, but is basically mechanically sound.
Here's what I've done so far. Checked the fluid, it was fine. Pulled the top cover and shifter lever out. I don't have a clue what I was looking for in there, but I hoped to see something obvious. I didn't.
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I'm losing coolant have, excessive white smoke coming from the exhaust, and rough idle. Doesn't over heat or even try to overheat. The oil fill cap looks brownish white. It drives fine other than extremely rough idle. I know how to check a blown head gasket with the combustion gas test.
From what I've read blown head gaskets on 4.6 fords are fairly uncommon but a blown intake gasket is fairly common. How can I tell the difference?
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I have a 98 expedition with the 4.6l 4x4 and it has 158,000 on the dash had a new engine installed at 100,000 it started running rough and sluggish last week so I changed out the spark plugs and while changing the plug I notice oil on the threads of the two rear passenger side plugs. After the new plugs it was smoking pretty bad blueish white smoke. I figured it was the oil from around the threads that had leaked into the cyl.
The smoked cleared after 2 days and ran great for a week. Now its doing the same thing again real rough idle and and its extremely sluggish. I can put the pedal to the floor and she barely wants to move almost like the tranny is going out but the rough idle leads me to believe its and engine problem. I have the check engine light on but can't get any codes. I also tried checking for vacuum leaks by spraying either round the intake and vacuum lines and didn't notice any change in rpms so I'm guess the vacuum is fine.
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Ok, I have owned my truck for almost a year and it has 151,000 miles. I have noticed on a few occasions puffs of blue smoke and especially at night in the headlights behind me I notice a lot of smoke when I'm getting into the throttle hard. Under normal driving conditions I don't usually see anything.
Today I noticed it when I was backing my camper(8000lbs) up a small hill onto the side of my garage. It was puffing blue pretty good going up the hill while it was under load.
I have no check engine light on, the truck seems to be running fine. My oil consumption is about 2 quarts every 3-4000 miles. I tried the blow by test with the oil cap but besides some smoke out the filler neck no problems... I don't know very much about diesels so for me to try and trouble shoot this is a problem.
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1997 Hyundai Lantra LS 1.8 5-speed. I live in a really flat area, but we're surrounded by hills and mountains. Whenever I have to go into the mountains I start to get blue smoke from the exhaust after a few minutes of climbing. The longer or steeper the hill, the more smoke I get. Obviously I'm burning oil, but I'm not sure what would cause the problem only when the engine is being taxed.
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01 7.3 247k.
Yesterday went to get on the freeway I looked back and saw a cloud of what looked like blue smoke. I'm in northern Utah and it's cold but the truck runs fine, I haven't noticed any change in performance. Turbo still builds boost. I pulled the fuel filter cap last night to check fuel color and it was clean.
I do have the CCV mod done. I also pulled to IC Pipe off the turbo and there was a little oil in there but not much, should there be any at all with the CCV mod? Where to start.
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I have a 2003 ford escape V6 and i have notice when i start it' after setting overnight i notice some blue smoke for a little while then it's stop What could be causing this.
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Recently since the weather has been cold. between 0-30 degrees or so. My 2002 7.3 with 161k on it is smoking a decent amount i think. far more than i ever remember it smoking thats for sure! anyways its a combination of blue and white smoke and it doesnt last long when the truck starts maybe 1 minute and the smoke stops.
But I also notice when i rev the truck maybe around 1200 rpms the engine shakes very bad. so i was thinking maybe a glow plug went bad making the engine seem like its missing. but even when its warm i rev it up to 1200 and i still feel the engine shake slightly. Maybe im just being picky when its warm? I need to test the glow plugs and go from there but i want opinions about that issue. the truck sits for 4 hour periods and every time i start it i have smoke. I will pay attention tomorrow morning if it smokes after being plugged in all night and post my findings.
My other issue and this typically happens when its below 20. sometimes i will go to accelerate after coming to a complete stop and the truck kinda has a very weak rev to it then just takes off like the tps took a break on me. sometimes i have had it jerk the truck when the throttle catches and other times it creeps at first then takes off like a boost of power.
lastly and this little issue happens most noticeable at 35 mph. i feel a surging im thinking this is related to the tps but i put the truck on cruise control and i still feel the surging. maybe this ties into my second issue? bad TC? ive plugged in my scanner and the only thing jumping out at me is the icp hunts about 100 psi or more at idle. i plan on doing a WOT test on the HPOP, ICP and IPR tomorrow and see if maybe this is just a weak hpop causing my issues.
Repairs i have done:
new 8th injector and all new injector seals about 25k miles ago.
new ipr
new icp
have CCV mod done and 4 inch turbo back exhaust
new map sensor
cleaned out the EBP sensor and tube but that was probably 40 or 50k ago now.
gray cps and i cant remember when i put that on.
gutted the EBPV
bellowed up pipes
no tunes the truck is factory as far as that goes.
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