Question about Saturn SL2

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1996 saturn sl2. surges at high rpm and emits white smoke whether the engine is cold or hot.

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  • pw37 Jul 18, 2008

    I Initially replaced head. check coolant system for leaks by pressurizing with engine hot and cold. Checked compression on all cylinders. Checked fuel injectors. Replaced spark plugs, wires and coils. smoke does not have a coolant smell to it. There is no coolant or oil loss that i can tell.

  • pw37 Jul 18, 2008

    Also the pressure check was done with the spark plugs removed.

  • pw37 Jul 18, 2008

    I bought a remanufactored cylinder head.

  • pw37 Jul 18, 2008

    What is your opinion on block sealers like bars leak and blue devil?

  • pw37 Jul 18, 2008

    Thanks for all the help. I was trying to avoid pulling the head again. I was hoping for other options.

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You may remove engine head to inspect gasket leaks.
Bettter take it to an authorized service station to check

Posted on Jul 18, 2008

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Dear Sir/Madam,

This is problem with Head Gasket. Replacing the head gasket it will be fix it.

Head gaskets run anywhere from 20-50 dollars depending on your truck/car, as for installing them on a truck they are relatively easy compaired to todays newer cars. they are located above the block your where your spark plugs are, they stop oil from seeping out of the motor. do it your self and it may take a few hours or pay some one and it will cost aroud 200.00 and up.


Thanks
Good luck


Don't forget to rate the solution

Posted on Jul 18, 2008

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I think its the time for changing your head gasket ,because white smoke will come only because of that ,so check that

Posted on Jul 18, 2008

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You probably did some non reversible internal engine damage. I would have your mechanic run a compression test on the cylinders to see if maybe just one cylinder is damaged, and I would also get him to run a cooling system pressure test.

White smoke is usually caused by coolant getting inside the engine combustion chamber, so I would rule out the possibility of a blown head gasket...which is cheaper to repair than overhauling the engine. If engine compression is good, but your head gasket has failed.

I would remove the cylinder head and have a local machine shop do a valve job on it before you replace the head gasket. This will basically "overhaul" the top half of your engine.


If the mechanic thinks there is damage to the lower end of the engine like the crankshaft or main bearings or with the piston and rings etc. etc. then it might be more cost effective to replace the engine instead of trying to overhaul it.

Posted on Jul 18, 2008

  • LORETO LACARON
    LORETO LACARON Jul 18, 2008

    White smoke
    is caused by water and or antifreeze entering the cylinder, and the
    engine trying to burn it with the fuel. The white smoke is steam. There
    are special gaskets (head gaskets are the primary gaskets) that keep the
    antifreeze from entering the cylinder area. The cylinder is where the
    fuel and air mixture are being compressed and burned. Any amount of
    antifreeze that enters this area will produce a white steam that will be
    present at the tailpipe area.
    If white smoke is present, check to see
    if the proper amount of antifreeze is inside the radiator and the
    overflow bottle. Also check to see if antifreeze has contaminated the
    engine oil. You can look at the engine oil dipstick, or look at the
    under side of the engine oil filler cap. If the oil is contaminated with
    antifreeze, it will have the appearance of a chocolate milkshake. Do not
    start the engine if the oil is contaminated with antifreeze, as serious
    internal engine damage can result.

    How did antifreeze get in the oil or
    cylinder in the first place? The engine probably overheated and a head
    gasket failed due to excessive heat, thus allowing antifreeze to enter
    the cylinder (Where it is not meant to be).



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Good Day,

Sounds like you head gasket went bad, the white smoke is an indication of this.

Coolant leaks into the oil and burns off as white smoke thru the exhaust.

Posted on Jul 18, 2008

  • Patrick McGee
    Patrick McGee Jul 18, 2008

    What size motor? I can get step by step guide's to replace, however a head gasket takes time and care to replace and I do not reccomend doing it yourself unless you are a skilled mechanic.

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Probably a problem with injection.

Posted on Jul 18, 2008

  • Ginko
    Ginko Jul 18, 2008

    If the smoke is white check also the coolant liquid level. If water level is going down, then water is being vapourized in the cylinders. This means head gasket is going, and soon you will need to replace it.

  • Ginko
    Ginko Jul 18, 2008

    If this is the case (liquid going down and head gasket problem) your engine can stop for good at any time.
    Keep a bottle of water in the car and take it to a mechanic as soon as possible.


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2 Answers

1996 Saturn sl2 smoke problem not head gasket no antifreeze seeping in valve cover gasket leaks and losing about a quart and a half of oil no blue smoke kinda white but heavy a little stops driving


White coming out the tail pipes is coolant/water. Doesn't mean the head gasket is blown, but you'll wish it was. Could be a cracked head. They can crack inside the intake or exhaust port. This would still give you a good compression reading. If in the intake, you would have a misfire. Exhaust you wouldn't. As far as the blue goes. It is mostly white in color, with a hint of blue color. Loosing that much oil would be a major leak or the rings are shot. Rings being shot, you would see that blueish tint in the smoke.

Aug 07, 2016 | Saturn SL2 Cars & Trucks

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1996 Saturn sl2 makes white smoke when parked and running but doesn't when driving and true to run hot while parked but runs normal when driving it


Sounds like you have a small amount of coolant getting into the combustion chamber/s. This could be a crack in the head or a blown gasket. You should have a mechanic look at it.

Aug 02, 2016 | Saturn Cars & Trucks

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1996 Saturn sl2 emitting kinda heavy white smoke only when reved car was sitting replaced valve cover gasket and gas lines please help


Hi,
White smoke usually indicates there is a problem with the cooling system to the engine. Here are some things I would check.
Coolant
Radiator
Thermostat
Hose from radiator to thermostat
Most importantly, the valve cover gasket. When you replace this type of gasket, we need to make sure you torque down the bolts in a certain pattern at a certain torque.

I hope this helps.

Jul 29, 2016 | Saturn Cars & Trucks

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Can a bad EGR valve cause a high rpm misfire?


Yes it can, at least on my 97 saturn SL2.
You can remove the EGR value and check for carbon built-up.

The carbon can build up on the intake valves and cause misfires.
The carbon lowers the octane level of the gas and also partly burns some of the fuel.

How I do a valve cleaning:
  1. Buy engine de-grease for the outside of the engine
  2. start engine when it is cold.
  3. remove the pcv hose
  4. spray into the throttle body for 30-60 seconds or stop when the engine chokes
  5. turn engine off
  6. wait 30 mins
  7. start engine, white smoke will appear
  8. have oil change since the cleaner will thin the oil
I use Lucas Upper Cylinder Lubricant to keep the valves clean for the type of engine below.
http://www.lucasoil.com/products/display_products.sd?iid=26&catid=8&loc=show 3ec0aad5-8a21-4065-85b4-cbad634920da.jpg

Apr 19, 2014 | Cars & Trucks

1 Answer

Increase then decrease idle when engine is cold especially


cold engine idle surge. (problem)
RPM range of surge not stated
300-700 or 800 to 1500? (range is critical to diagnosis)

bad fuel
running summer fuel in winter (running old fuel?)
needs a tune up bad, see the list in the operator guide.
idle speed controller,sticking or EGR valve same. (clean them)
location not stated, so cant guess about local air temps.?
no other symptoms, lack of engine power? etc?
was it ok last week, or better, when was the last time it was OK?
1week, 1year?
surge , causes, on a tuned engine might be:
1: too lean. so lean the ISC can not control idle. rpm low, stalling
2: too rich, flooding, stalling, spark plugs foul (look at them)
3: weak compression in 1 or more cylinders.
4: bad spark.
5: air leaks, in the plenum causing , ISC to lose control.
why high RPM?

especially?
well that means it fails hot too.
and there is a simple tests. for hot surge.
is engine fully hot? 180F and holds solid there?
say rpm is about 800
and you turn on head lights, heater fan and (not AC) and defrost.
the RPM must hold or the ISC is failing.
ISC -= idle speed controls. (all EFI has this function)

Oct 28, 2013 | 1996 Honda Prelude

1 Answer

1995 SC1 280K oil burner. Kept full. Previously 41 mpg, now 27 mpg over 1 year span. Oil smells like gas and so does the exhaust. Extreme loss of power. Will not idle. Runs rough at lower rpm, but...


If you are keeping the car forever, swap the engine with a rebuilt one. there are many for sale out there.
about $2k for a rebuilt with core credit. if you are really just keeping it for a year or two until the front "frame" collapses, buy a used engine out of a junkyard, look until you find one with less than 100k on it. there are many for sale on eBay but the shipping will kill you and you most likely have junkyards closer to home.

note if you have an SC1 means SOHC so you have to have a SOHC donor vehicle. SC1,SL1, or SW1
the engines were the same 96, 97,98 i believe. but do not get an older engine.

Aug 31, 2011 | 1996 Saturn SC

1 Answer

Occasional heavy smoke on tickover, but not using oil and oil clean.


HI do you now the color of the smoke
if engine emits white smoke its not burning the fuel
it could be water mixing with fuel = head gasket even tho you
dot have water in the oil
if engine emits black smoke - that's excessive fuel to air ration
check air filter & air inlet to see if clogged

if engine emits blue smoke - excessive oil consumption
cloud be valve seals

Jun 28, 2011 | 1996 Volvo 850

1 Answer

Car blows white smoke at high rpm runs bad


hmmm...This kind of problem usually is due to cam shaft/valve timing issues. Sometimes, the cam shaft is not properly positioned and is not in sync with the distributor thus the exhaust valves open early releasing unburnt fuel. This will cause the engine to definitely run bad.
I suggest that you try to adjust your engine's timing first (cam and distributor) and then see the results. Also, remember that there is a limit to the rpm that an engine must do- about 6,000rpm is enough for high or max hp. Another information, a camshaft will only work best at a given rpm range so if you run your engine too low or too high, the engine will not work properly. In fact, there are special cam shafts for engines intended to run at high rpm while sacrificing lower rpm levels (the engine runs grumpy at low rpm levels).
Worst case, however, is that white smoke sometimes indicates that oil enters your combustion chamber, this will cost an expensive rebuild if such is the fact.

Dec 24, 2010 | 1996 Nissan Sentra

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White smoke problem


Hi white smoke is produced by water in the combustion chambers do to bad head gaskets ,crack heads ,or lose cilinder head bolts,you should take it to a good tech before will cause any mayor damage .....

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Loss of engine oil at high rpm


yor turbo is sucking it through intercooler check to see if intercooler is oily when you take off hose if it is, then disconect tappet pan hose from torbo intake driveand see make sure to put intercooler hose on back . if oil is still going you have back presure or turbo needs repair

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