Question about 1991 Toyota Camry

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Car won't start, there is gas in the oil. Is there possibly a seal gone bad?

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A seal (gasket) failure is one possible cause. Or possibly a cracked intake manifold or even a cracked block. Warping from overheating is a another possibility. Engine will need to be disassembled to determine cause. It's not all doom and gloom. A cylinder compression check may provide you with enough information to see if it is worth attempting a repair before getting into an engine teardown. If it's a top end engine repair, it won't be cheap, but may be worth your while...the key is to understand what caused the engine failure before sinking any serious cash into a 23 year old car.

Posted on Nov 25, 2013


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Gas is getting in my oil in a 350z Nissan. what should I check or could it be my computer telling injectors more gas

Dump the oil and refill. Take it to a JiffyLube or other oil change depot. Could be that it will not continue. I would take
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Feb 18, 2015 | 2003 Nissan 350Z

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Start up, blows black smoke. Been sitting for about a year.

Any oil that was in the head will seep into the piston head over time and this will blow black, but should stop after 1 min.
If this happens over and over with starting every day its a bad seal on your piston rings, this has nothing to do with the air filter.
If your car has sat for that long you need to change the oil asap as oil and gas will go bad after only a few months gas 4-5 months oil will go bad after 3 months or if it has gotten very hot.
Change oil and test to see if your still blowing black if so go get a compression test done that will tell you if your rings are gone.
Ring jobs can be very costly, hope this is not the case.

Oct 31, 2014 | Cars & Trucks

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If the seals have gone will the car make a noise

You don't say which seals or which pump however via elimination if the oil seals have gone well yes you could have noise from damaged bearings ( most likely a whine or a grating sound). Water pump gone well sounds could start because of overheating, if bearing in water pump gone sometimes sounds like a rattle as impeller blades rub, Oil pump failure then yes as the engine struggles for lubrication you will hear plenty of noises ( Costly ones ) .If fuel pump fails they can make noise as they struggle to reach pressure but eventually will give out and your car will stop from fuel exhaustion. Whatever the reasons for this noise ( and you didn't make it clear where it's coming from or what type of noise ) you may want to get your car serviced, this may save you a whole lot of cash and maybe even your life, a car seizing up can cause a serious accident as everything locks up and you lose control if you can't check it out yourself seek a mechanic soon.

Sep 02, 2014 | 2001 Ford Focus

1 Answer

Taking off the head off is there a diegram or pic i can use

Blue smoke is oil being burned in the cylinders. It could be valves not seating properly, valve stem seals bad, possibly a head gasket if it blew where an oil passage may let oil in cylinders, or badly worn piston rings.
If you can afford it, have a shop do a leak-down test of each cylinder to pinpoint the problem. Then you may know if you need a new head gasket, or a valve problem fixed when head is off, or new valve stem seals replaced, or if rings are bad requiring engine overhaul.

Jan 22, 2013 | 1995 GMC Safari

1 Answer

93 GMC Z71 - rough start or sometimes won't start unless it sits for a while (hours). When it does start it smells of gas and usually is accompanyed by smoke coming out of exhaust. Replaced fuel...

I'm assuming "white" smoke and not "black" since you didn't mention.
If white smoke, it's coolant or oil leaking into the cylinder heads while it is not running.
If oil and from leaking valve guide seals, it's not a serious thing and basically a nuisance. Just keep your motor oil level topped off until you have new seals installed or dispose of vehicle.
If coolant, it's a much more serious problem. The liquid in the head will do two things. One, foul the spark plug and possibly cause hydraulic lock (fluids cannot be compressed and cylinder locks up)
Check you oil level and if keeps going down a quart every few hundred miles, it's the valve seals.
Check your coolant. If down, it's possibly a head gasket leak, which is not uncommon for vintage and make.
If coolant keeps going down and not leaking on ground, that's a smoking gun, not to make a bad pun, for a leaking head gasket. At this point, it's prudent to first invest $10 on Barr's Leak Copper (looks like liquid copper in a jar) and add to your coolant system. Follow manufacturer's instructions and then see if problem either persists or abates.
If it abates, go and buy a lottery ticket since you're very lucky and solved a serious problem with an inexpensive fix.

Good Luck

Sep 22, 2017 | 1993 GMC Sierra K1500

2 Answers

Gas and oil mixture in car, car won't start?

BAd headgasket or you have a bad cylinder. You need to have a compression check done on your vehicle

Jun 24, 2011 | 2003 Mitsubishi Montero Sport

1 Answer

The vehicle revs high and vehicle does not go. I add transmission fluid most runs out but vehicle starts to go but wines.

If the fluid is running out, then adding fluid isn't gonna help. Find the leak first. The gasket on the oil pan might be bad. This is a good time to change the trans oil filter as well..if this is a truck, you could have a rear main seal gone bad. Just look around and see if you can find the leak. It won't go anywhere til you can keep some fluid in it and build up pressure

Jun 12, 2011 | Ford Explorer Cars & Trucks

1 Answer

The gascap light is on and the oil light is on. They replaced the seal on the oilcap and they don't know what's wrong with it

try disconnecting the battery to clear the codes. then make sure the gas cap is tight, should make it click at least 3 or more times. if the gas cap light comes back on its possible that their is a leak in the EVAP system. as far as the oil light coming on its a possibility that the oil pressure switch is bad.

Mar 10, 2010 | 2008 Dodge Caliber

1 Answer

Changed plugs, excessive oil in 2 & 4 cylinders? Why??

The wording of your question is a little confusing. But, if you have any oil on your spark plugs, it means oil is leaking in from a bad seal. If your spark plugs go through the valve cover, then the seal under the valve cover may have gone bad. If you mean there is oil burn on to the spark plug, it could mean that the seals around your valves have gone bad and are allowing oil into the cylinders; you could also have bad rings on the affected cylinders and they are allowing excessive oil to come past the piston. You can usually see blue smoke coming out of the exhaust as well as the oil cap if this is the problem.

Jan 23, 2010 | 2002 Mitsubishi Galant

1 Answer

Dieselengine smoke

Injector tip gone or the injector sealing washers.
Wont go at all if the sensor fails.

Mar 29, 2009 | 2001 Isuzu Trooper

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