Question about 1997 Oldsmobile Aurora
I tried to change the spark plugs and noticed that they were covered in oil on the threaded side. I changed them about a month ago. When i start the car there is white smoke until i get going. Once i'm driving, the care hesitates if I press on the gas too hard.
I would`nt be too worried about the oil on spark plug threads be more concerned about white smoke! it sounds like head gasket problems.Good-luck.......
Posted on Jan 05, 2013
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Posted on Jan 02, 2017
the first step is to find out why the check engine is on . you can take it to autozone they will check it free and tell you the promblem is.
Posted on Dec 07, 2008
2.4 liter OHC coil housings have this as a common failure. Thery arc over internally to another cylinder and cause the misfire.
Posted on Dec 27, 2008
If you can smell gas ONLY when the engine is running, then the gas didn't get
burned completely. It could be the combination of the computer, oxygen
sensors, and/or catalytic converter is going bad. If you could smell gas when
it's parked, you might want to take it to a mechanic to have your gas line
checked for leaks and for pressure test. Here's a website that talk a little about
gas smell www.mycarsmellsbad.com good luck.
Posted on Jan 09, 2009
oil landing on the break calipers or the oil getting burened in the bearing this will eventually go away
Posted on Oct 29, 2009
Testimonial: "thank you for responding...it makes me feel better to know that i might not have to drop yet more money into another mechanic visit!"
SOURCE: oldsmobile alero misfires
a few things that could be happening here... When you run a tank dry, it often pulls the sediment from the bottom of the tank... this is very bad for fuel injection systems. Having it run "dry" like this could have damaged your injectors. I doubt the flooding of the engine with gas could have caused any damage that would result in misfiring. I would suggest starting with the cheapest solution first, which is Oil detergent. I prefer CD2 oil detergent. It is primarily used for sticky lifters, but can help with many simple motor issues. It costs a massive 5-8 dollars at any auto parts store or that "W-mart" store.
Make sure your oil levels are where they should be, and pour this product in the oil receptacle. Run the car for about 200-500 miles ( doesnt have to be in one trip hehe). After about 200-500 miles, perform an oil change (including filter). If this clears your issue up, great! it only cost you 30 bucks total.
Misfire is caused by 3 things and 3 things only. Fuel, Spark, AIr. These are what makes a motor fire. The second cheapest solution is timing adjustment. Any service shop like Muffler M. or Belle Tire, etc, should be able to perform this for 25-40 dollars. It is very possible during your spark plug / wire change, the distributor cap got turned out of alignment with where it should be.
While you have it at the shop, you should ask them to inspect the plugs and wires since thier hands are already on the device they are all connected to. This will remove or confirm one more possible issue.
The next step would be checking AIR. Airflow can be restricted by something as cheap as a cruddy filter, but rarely does this result in a misfire, so, even though its possible, im taking this off the table, Again, during the timing inspection, feel free to ask them to check it.
Another part of AIR is your EGR valve. This is a device that, put simply, recycles your exhaust. If your motor is dependant on this device, and it's cruddy, gummed up, or plain no good, it could be robbed of essential air and fuel. This can usually be checked with a "Code Check" at any service shop for free.
The final part is FUEL. Always the last place you wanna look, because it's the most expensive. This could range anywhere from Fuel Pressure, dirty fuel injectors, or a damaged fuel pump. Again, when you ran that tank dry, there is a possibility you pulled sediment thru one of these devices, or clogged your fuel filter. I hope, and you hope, if it is a fuel issue, it's just a dirty filter. I hope this helped.
All that is left is FUEL. This part is usually expensive no matter WHAT the
Posted on Feb 27, 2010
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