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After timing was set we had slot of white smoke and there are still bad vacuum lines that we are finding as we'll as exposed wife's all over the place

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Go to the junk yard and get the hoses cheap and if thats not the problem change your oil, if that dont work that means that your lifters and heads are worned down it could be only 1 lifter for now if you dont repair it quick

Posted on Jan 14, 2013


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Posted on Jan 02, 2017

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SOURCE: car runs ruff. Smoke and gas smell out of tailpipe.

chk the trans vacuum modulator. If oil is present in vacuum linem the modulator is defective. Easy inexpensive fix.

Posted on Jun 09, 2009

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I would like to know what makes that the Jeep smoke after rearranging the vacuum lines is it the EVAP system on HBO or the engine vacuum lines vacuum lines

the book is free,
and real
and posted here over 300 times, search much.
all that is covered in the SM. (how to put it back as it was new)

no clues as to what the smoke is.
or where it emits from. (tail pipe end)
white smoke or black
black is rich running.
white can be burning oil and smells like burning oil (lingers)
white can be steam,aka, antifeezes burning, goes the vapors dont linger like oil smoke does and smells sweet, unlike oil smoke.

EVAP is only FUEL vent , fumes. gas fumes.
there are lots of vacuum lines
to engine
brake booster
the engine hood sticker covers the majors, (smog related, )

SM , serv. man. click WK and read.


Dec 11, 2016 | Jeep Cars & Trucks

2 Answers

My 1998 Lincoln Continental Will crank up but didn't run smooth. She goes dead. I it is a vacuum our air hose. Others say it's a 2.0 sensor. Can u help me define the problem?

Lots of possible problems can cause a rough idle. Vacuum hose is particularly common. Shops want to charge an exorbitant amount to do a smoke leak test too which makes most people leave it and deal with a rough idle. I'll address that in a moment. Check to make sure everything is extra hoses or no extra ports that look like they should have hoses. Make sure you have a good air filter and that the breather filter isn't clogged (if you're breather uses the intake filter and lots of newer cars do, make sure the hose that goes from your filter box to the valve cover isn't hard, cracked, or disconnected). May be worth replacing the PCV valve (they're usually fairly cheap and easy to swap). Once you've eliminated that...

DISCLAIMER: I do NOT in any way advocate smoking of any kind. If you are a non-smoker find a friend that smokes for this if you decide to attempt it. DON'T START SMOKING JUST TO DO A SMOKE LEAK TEST. No car is worth the prolonged health damage. As a former smoker I can tell you quitting is a nightmare and its just not worth it. ALSO I am not responsible if this somehow damages your car. I've done it a fist full of times and found my own vacuum leaks every time with this method but that doesn't mean your car will be as happy about it as mine turned out to be. Keep the cigar away from under the hood at all times! Its common sense here people, there's fuel hiding in a few places that will readily ignite and give you a very bad day. I AM NOT RESPONSIBLE!
BUT:... if you can find a smoker, buy them a cigar. Non-flavored cigar is preferable as there are less tars to deal with. Disconnect a vacuum hose that has a bit of length to it that runs into the intake manifold. Have your resident smoker take a good heavy pull from the cigar and blow the smoke into the vacuum line. Look for smoke trickling out from any of the other vacuum hose connections. If you find smoke at all, you've found your vacuum leak. No smoke, do it again. Do it a few times. Its a quick and dirty smoke test that has worked for me every time.

Failing all of that, I'd start looking at sensors. Vacuum lines are fairly cheap...check the cheap first.

Hope this helps someone in some way! Best of luck!

Apr 13, 2015 | 1998 Lincoln Continental

4 Answers

My boyfriends Toyota Tundra is leaking brake fluid. Sometimes a horrible white smoke billows out of the exhaust pipe just after starting up the truck. It quits after a few minutes. Where do you think the...

The white smoke has nothing to do with the brake fluid loss. Look around the brake master cylinder, brake lines and joiners and brakes for signs of moisture. They should all be clean and dry any build up of dirt could be a hydraulic leak. The white smoke is more likely from warn valve guides.

Mar 02, 2015 | 2004 Toyota Tundra

1 Answer

I have a 01 pontiac bonneville ssei with supercharger and its smoking bad. some people say it my be the supercharger seals. and i should replace it

Is the smoke white or bluish/black? The white smoke could indicate leaking oil seals or even a coolant leak. The 3.8 is more common for the intake manifold and plenum gaskets to start leaking and causing white smoke. If the smoke is bluish/black,check the fuel pressure regulator to make sure it is not leaking and fuel being sucked into the intake via the vacuum line.

Feb 21, 2015 | 2001 Pontiac Bonneville

1 Answer

My car is smoking really bad fromm the exhaust pipes white thick smoke smells like gas this problem didnnt occur until i had my oil changed and my tranmissio flush but they over filled my tranmission

When the vacuum modulator goes, the engine vacuum draws ****** fluid into the combustion, causing white smoke. It is located on the side of the ******, circular in shape, with a vacuum hose connected to it.

Aug 01, 2012 | 1996 Ford Probe

1 Answer

Rough idle dies and white smokes

start by doing a compression test, could be a bad head gasket. i assume its a typical mid 80's carburator with a mess of vacuum lines. so you dont have to worry about trouble codes or a mess of sensors to throw parts at. since you just did a tune up i would check the distributor hold down and make sure you got it tight the that it didnt walk out of time on you some. typically white smoke usually means either a bad cat or water getting in the motor. less likely but probable is the choke is stuck on. hope this helps, good luck!

Feb 18, 2012 | 1986 Nissan Pickup 4WD 1986

1 Answer

2001 Dodge Grand Caravan Sport 3.3 Wifes van started running very rough last week while in slow moving traffic then stalled out. Code showed "map sensor", got a new one and installed. No change....

A bad vacuum line will cause this code also. Also it will cause a rough idle and stalling. Open the hood and listen for a hissing sound. track it and you,ll find the leak. Also I would just check all the lines to make sure another in not ready to go.

Jul 13, 2011 | Dodge Caravan Cars & Trucks

2 Answers


There has been an issue of Suzuki engines smoking due to the PCV. valve or the baffles under the valve cover. One method of curing this is to place an oil separator between the vacuum line from the intake and the PCV. This will make for the need to keep an eye on it as it will fill up with oil eventually thus negating the purpose of placing it there in the first place. I think the big fix would be to remove the valve cover and check the oil baffles and filter therein. The problem is that oil builds up at the location of the PCV and is getting sucked into the intake via the vacuum hose to the intake. The quick fix? unplug the PCV and plug up the vacuum hose to the intake. This will get you by until you can get it to a mechanic. Anyway, That what I know. hope it helps

Aug 23, 2010 | 1999 Suzuki Grand Vitara

2 Answers

Rear air not switching between hot and cold, any suggestions?

the real air switch on the dash, check and make sure the vacuum lines have vacuum on 1 of them, the other goes to the rear air assy. usually that switch is going bad internally and wont hold enough vacuum to send back, esle it is the vacuum motor in the rear air.

May 16, 2010 | 1998 Ford Windstar

5 Answers

White smoke

White smoke is usually oil...sounds like the engine is burning oil thru the pcv system. Somehow oil is getting sucked backed down the intake and getting used again. Try changing the pcv valve on top or near the valve cover. It usually has a tube going to the carb base. Remember, all engines draw air in like a vacuum.....find your oil leak, and you will cure your smoke prob. Good luck.

Oct 20, 2008 | 1988 Mazda B2200

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