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Changed sparkplugs to a 1949 fleetline and now the engine is smokeing?

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1949...WOW. make sure the plugs are simple plugs, not bosch or anything fancy and expensive. Cheapest and simplest plugs are whats best for anything 1970 and before. also make sure your gaping is correct. if the gaping is not correct, it could be burning to hot or cold and your fuel is not firing at the correct temp. Also check for if the smoke is white or blue in tint, if its blue then oil is getting past your oil ring on the piston and getting caught in the compression/power stroke, if its white then your headgasket has a fracture in one of the coolant ports and coolant is getting in your block which is really bad, it can cause moisture in your block and there for thin out your oil. When that happens the oil viscosity is messed up and your crankshaft can send your piston throught your block.

Posted on Oct 04, 2010

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Got a problem with a misfire on 4 put all new plugs & a new oil changed engine light blinking in and our car running rough when I stopped car smelled burning and smoke near back tires


I really couldn't tell you without checking it out. But I would check the coil pack or dist.Cap or ignition control module and change the sparkplug wires.

It's probably the Sparkplug wires or one of the coils, depending what your car has.

Feb 02, 2016 | Cars & Trucks

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Having-trouble-with-black-smoke-coming-out-the-back-andalso-extra-gas.--have-changed-the-sparkplugs-checked-coilpack-compression-test


Year/make/model/engine size??????? The engine is obviously being over fueled, but without any vehicle info, supplying helpful advice is not going to happen

Jan 05, 2016 | Cars & Trucks

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2004 SRX add overheated dew to a bad hose clamp change oil sparkplugs idle rough then shuts off


When you severly overheat an engine. Many times it causes serious internal damage.. Like burnt pistons, cracked heads, cracked block, warped heads.. Remove your new sparkplugs and check to see if any are wet.. next do a compression check, look for white smoke from the exhaust.. Post a comment and let us know what you find.

Jul 02, 2014 | Cars & Trucks

1 Answer

1991 Honda Accord, 213k, changed oily sparkplugs and now engine blows excessive smoke and oil continuously out the exaust from start up to shut down.


Old spark plugs were likely fouled with oil and not burning fuel (and oil) completely so minimal smoke before change out. New plugs are clean and burning everything in cylinders well including oil (therefore more smoke). If smoke from exhaust is blue, then engine oil is getting into cylinders either through worn out piston rings, or a leaking gasket. If black smoke, then this is a sign of too much fuel getting into cylinders and not all the fuel is getting burnt during combustion (a fuel system problem).

Sep 06, 2013 | Cars & Trucks

1 Answer

Po104po105po1o6 misfires


First the po 171 is that bank 1 is running lean, as far as the codes po104-106, i think you made a mistake, the mifire codes for cylinders 4-6 would be po304, po305 and po306. the fiurst thing to check would the fuel preasure.

The reason i say fuel pressure is due to the misfiring and lean codes.
If the fuel pressure tests okay then check for intake manifold gasket leak, this is done with a smoke machine or with some throtle body cleaner spray. you will neeed to start the engine and spary around the intake gasket area as you watch for engine speed change.
A scan tool may be needed to watch fuel trim and o2 readings if the intake leak is small.
The other problem could be sparkplug failure or bad coil and last sparkplug wires if this is not a coil on plug system.
Acoil on plug system would be a system with out sparkplug wires going to each sparkplug, instead there is a separte coil on each sparkplug.
If this is a coil on plug ignition system i would start there and swap coils with the other cylinders and see if the misfire moves to those cylinder if it does then bad coils. hope this is helpful , good day

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1 Answer

I have a problem with my econovan, i havent had a service done to it in over 6 months and now when i took it to a guy to service it, its been blowing blue / white smoke only on cold motor so i did some...


Hello, I have several suggestions for you. Your problems can still be with the cause of the blue smoke. You need to get a compression test done on the motor either with an elaborate test machine at a Dealer or Tune-up shop or use an old-fashion compression gauge. With the valve cover off and engine running you can also push on the valve spring with your thumb and weak valve springs will cause the engine to miss. Sometimes the weak springs can be detected with a Vacuum gauge, showing a bouncing needle. Your valve stems may be gummed up from the bad oil seals you changed.

The blue smoke is also a sign that the oil rings for the pistons are worn out or have rotated to give a bad seal. When the engine warms, the rings expand and helps eliminate the smoke. Check your sparkplugs for oil staining. Your sparkplugs may be fouled and this condition is called "blow-by".

You can check and clean your EGR valve because it needs to seat or your engine can not idle smoothly. Check the Intake manifold for loose bolts, then use a water mist around the seams to see if the Intake gasket is leaking. Just use an old spray bottle filled with water and spray the engine while it is running.

I hope my solutions are very helpful to you in finding the problem.

May 09, 2011 | Ford Econoline Cars & Trucks

1 Answer

I changed sparkplugs, and wires1yr ago,aprox.8000 mi. now i'm having a miss, it then showed a code po303 and po316 so i changed fuel filter ,pulled out the irridium sparkplugs i put last and put in new...


You either have a bad ignition module or a
vacuum leak,intake manifold,PCV Hose,etc
that effects cyl #3

Ohm Checking is for the 1980's

Todays tool is an oscilloscope, you won't
have at home.

Also Smoke the intake and EVAP System
for leaks (EVAP Smoke Machine)

Mar 26, 2011 | Ford Taurus Cars & Trucks

1 Answer

Added 3 quarts of oil now white smoke is coming from exhaust


you have to drain the excess oil i would suggest a complete oil change and oil filter. TAke off spark plugs put some wd 40 on each sparkplug hole start the car without any sparkplugs on ir. Reolace sparkplugs with new ones and the car should run again. I would also suggest to check for faulty sparkplug wires and bad air filter. While you are at it go ahead and check fuel filters.

Jul 14, 2009 | 1996 Ford Probe

3 Answers

Newly overhauled toyota corolla 2e engine emits black smoke


I have toyota corona 3s engine it smokes black and fuel consuption is high we have changed the engine oil and cylinderhead gassecate but still black smoke is comming what should i do

Jan 21, 2009 | 1989 Toyota Corolla 2 Door

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