Questions regarding the engine lubrication system

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2
votes
1answer
3k views

How does low oil level cause misfires or VTEC malfunctions?

So a few days ago my 2003 Honda Civic EX started misfiring while accelerating, especially with the A/C turned on, making popping noises, and then yesterday got a P1259 "VTEC system malfunction code". ...
2
votes
1answer
942 views

1998 Chevy Lumina won’t start, crank, or click

I have a 1998 Chevrolet Lumina and recently I have had intermittent starting issues. My brother and I bought a new starter and put it in and it still wouldn’t start. After replacing the starter we’ve ...
1
vote
2answers
323 views

Cream on oil cap? How to maintain a car that drives only short distances in Nordic environment?

My friend needs a car for night-time driving for distances about 15 km to-and-fro for his work. I read that short distances may be problematic to cars because the engine does not get hot enough -- ...
2
votes
0answers
202 views

Audi A6 2.4L 99 - randomly sets off brake warning lights, no abs, no rpm, no A/C

Randomly while driving or standing still I get a bunch of warning lights that come on, beep and blink. Sometimes it lasts a few minutes, sometimes it will stay on for a few days of driving and turning ...
1
vote
1answer
58 views

Oil in coolant after gasket work 1995 Chevrolet Lumina

I had a coolant leak that turned out to be a bad gasket. Coolant was leaking into the motor. I had the gasket replaced, and was told to change the oil after a few hundred miles. When I did, it turned ...
1
vote
2answers
2k views

Having Trouble with my 2003 Ford Escape oil light and coolant light

I have a 2003 Ford Escape V6. I'd have to say a couple of months ago my oil light popped on (most of the time only when I hit the brakes), then it would kind of blink a lot until I was on the gas ...
2
votes
1answer
105 views

Oil gauge needle is at highest point

I have an 89 Mercedes 300 SE and recently the oil pressure needle has been stuck at the highest point when I accelerate. The values on the gauge are 0 to 3. When I take my foot off the gas the value ...
13
votes
4answers
31k views

What are the risks of overfilling a small engine with oil?

I recently overfilled a 4 stroke lawnmower engine with oil. It has been run for about 1.5 hours while overfilled. It smokes a lot right after being started but after 30 seconds or so the smoke clears. ...
-3
votes
1answer
6k views

What happens if petrol is used in a diesel engine?

The question is asked for various proportions : - 10% of petrol - 50% of petrol - 100% of petrol in a diesel engine. PS : not a duplicate of What happens if unsuitable oil is used in a vehicle ...
1
vote
2answers
322 views

'92 Toyota Corolla with a oil leak

My 1992 Corolla is leaking oil when driving then pools while parked. Already checked the oil pan and no leak. Where else could it be coming from?
2
votes
0answers
409 views

High oil pressure in a marine engine

High oil pressure in my marine Perkins 4108 diesel showing 80 on the gauge, oil and filters recently changed, wiring checked and ok it runs an alternator to charge the batteries and when disconnected ...
0
votes
0answers
412 views

Nissan Micra oil leak

My Nissan Micra is a 51 usually a good runner however today after work on my way down the main road which is 60 my car would not gain speed. It would only reach 40 at a push. When I’ve arrived to my ...
1
vote
3answers
1k views

Do motor oil conditioners do anything, or are they just a marketing ploy?

It it worth using a motor oil conditioner? Do they actually help keep an engine running better, or are they just marketing ploys?
7
votes
3answers
236 views

Will I be okay running thinner oil with a minor oil leak on an older car?

Recently when I had some work done I was shown a minor leak, I believe he told me it was the oil pan. It doesn't drip out onto the ground, but if you look closely you can see condensed oil drops on ...
1
vote
1answer
473 views

How to clean/dispose of oily/greasy shop rags?

I have some rags (as I'm sure we all do) that are covered in oil and other various fluids. Is it alright to wash these in a standard washing machine and then air dry them? Is there a specific ...
3
votes
2answers
2k views

BMW E30 M20 oil warning light goes on on hot days but the motor sounds and performs fine

The car: BMW '90 E30 320i Cabrio with the six-cylinder M20 engine. The problem: the red engine oil warning light inside the instrument cluster (not the check control) lights up after some driving. ...
4
votes
2answers
347 views

Synthetic Oil and oil change frequency

My car (a 2008 Scion tC) says to have its oil changed every 5K miles or 5 months. I just took a new job and commute into the city by bus so I'm driving a whole lot less. I was told that if I got full ...
3
votes
1answer
193 views

Cleaning a Jerrycan

I have a couple of 10 Litre steel jerrycans which I used for draining kerosene (UN1223 28sec burning oil) from a tank. After disposing of the kerosene I left the open jerrycans upside down over some ...
8
votes
4answers
4k views

How do I select the right oil for my car?

I can give you my cars make and model and the conditions that I drive in, but I'm looking for a general guide to selecting the right oil for a car. I'm not really knowledgable when it comes to cars so ...
0
votes
2answers
1k views

Nissan Pulsar ST1.8 oil filter change

First time replacing oil filter and oil. I've drained the old oil from the oil tank and I now want to remove the existing filter. For the life of me, it seems as though the filter is in the most ...
3
votes
1answer
167 views

Cannot Pull Oil Dipstick

Here's a simple, yet frustrating, problem. I cannot check my oil, because the dipstick is stuck fast to the tube. I don't really want to pull and twist so hard that it breaks off.
1
vote
3answers
967 views

Where can I look to find what kind of oil I should use for my car

Right now I want to change the oil in my 2002 Kia Sedona but I have several cars and I'm never quite sure what kind of oil to use in them. What I'm really looking for is a link to a site that I can ...
2
votes
4answers
814 views

How can I increase the life of my diesel engine when my car does lots of small trips?

What things can I do to increase the life of my diesel engine when I make lots of shot trips in the car? My daily routine means that the trip to work goes via another destination which gives my ...
4
votes
2answers
598 views

Which oil grade and kind should I use on a sport car that does amateur drag?

The car is a Dodge Neon SRT-4 with about 81,000 miles that is used for amateur occasional drag. What grade and type of oil would be the best to improve my performance while still preserving the ...
0
votes
2answers
3k views

What is an oil catch can for?

Some RX-8 owners have been recommending installing an oil catch can, to prevent problems from "overfilling" the oil. I assume this doesn't mean spillover (does it?), but instead, too much oil in the ...
2
votes
3answers
3k views

Blue-ish smoke coming out from the exhaust

I have a VW Golf mk4, 1.9 TDI from 2001 with 230.000+ km on board and for some time now I have blue smoke coming out of the exhaust. The problem aggravates when I'm stuck in traffic or when the ...
1
vote
1answer
424 views

Check Oil Light Stays on for 20+ Seconds When 2004 Trailblazer Starts

Lately, my 2004 Chevy Trailblazer has been displaying the "Chk Oil" light when the vehicle first starts up for more than 20 seconds - much longer than the normal dash light test. Then is turns off and ...
4
votes
2answers
834 views

Are there different kinds of 10W-40 oil?

I was given a used riding mower as a gift, and the other day I started to do some of the yearly maintenance as recommended by the owner's manual. When I got to the part about changing the oil, I saw ...
1
vote
1answer
254 views

2004 Buick Ranier Oil Filter Location

Changing my oil right now, but can't seem to find the oil filter on my 2004 Buick Ranier V6. Any ideas? I don't have it up on stands
22
votes
2answers
3k views

Do I have an oil leak if I have to add oil?

I don't change the oil all that often (maybe every 8000 miles) and on my 10 year old car the oil light comes on and I need to add a quart or two (and then I start thinking I practically changed the ...
3
votes
3answers
1k views

how to clean up spilled oil?

I changed the oil in my pickup a couple months ago, and had about a quart of clean oil left in the container when I was done. I don't have a garage or other handy place to keep stuff like this, so I ...
12
votes
3answers
4k views

Is it worth switching to full synthetic or blend oil in my older car/truck?

I have a older (enter vehicle here) that has 100k miles on it. Would I see any benefit switching to full synthetic or synthentic blend oil? Is it worth the extra cost in an older vehicle? For ...
4
votes
2answers
2k views

oil leaks when driving, not while parked

My wife has a 2004 Mazda 6, 2.3 liter 4 cylinder. When the car is parked, oil doesn't pool underneath. After driving for about an hour, we need to add about 1-3 quarts. With this issue, where could ...
2
votes
3answers
2k views

Audi A4 (1998) extremely noisy when idle, occasional oil light

I have an Audi A4 1998 with over 200k miles. It gets extremely noisy when idle. It usually doesn't happen until it has been running for a while. Revving above 2000rpm can settle it and it isn't noisy ...
3
votes
2answers
7k views

Which provides better engine flushing, traditional flushing oil or adding a flush additive to old oil?

Background I think that my vehicle would probably benefit from having it's lubrication system being flushed out at it's next oil change. Checking prices of flushing oil at local suppliers I noticed ...
3
votes
1answer
3k views

High / fluctuating oil pressure causes?

My girlfriend has a 1997 Pontiac Bonneville SSE (3.8L GM 3800-II, non-supercharged). It ran low on coolant a few weeks ago, and started to overheat. I refilled with coolant, but the next time I was in ...
3
votes
2answers
3k views

Is the vent from the pcv valve back into the air intake really needed?

After working on my car, I didn't bother to reattached the line from the pcv valve into the air intake before testing the motor. It ran normally. This made me question whether I need to even return it ...
5
votes
3answers
1k views

What kind of engine oil to run a Diesel?

I got an 1987 Toyota Land Cruiser with a 2H diesel engine. I never changed oil on a diesel engine prior to this truck, so I'm a little confused. Toyota Factory Shop Manual recommend API CC oil type, ...
7
votes
2answers
2k views

How does the change oil light system work and does it matter what type of oil you use for it to work properly?

I want to know if the methods a vehicle decides when to turn on the oil change light have to do with the qualities of the motor oil used in the last oil change. I have heard that the vehicle's ...
2
votes
1answer
502 views

Passat - Oil warning light on engine rev. Expensive fix?

looking to buy my first car, which is a daunting task for someone with little money and even less knowledge of motors. Seen this one on ebay, which ticks all my boxes but is cheap because: When ...
2
votes
1answer
2k views

High oil pressure after oil and filter change

I recently changed the engine oil and filter in my Westerbeke diesel. I gave it the usual (and specified) 4.5 quarts of SAE 30, specifically Chevron DELO. Now when it starts up it reads 80 psi of ...
3
votes
1answer
487 views

Should oil be changed every 3000, or 5000 miles? [closed]

I've always heard that the oil in a car should be changed every 3000 miles, but I read the manufacturer's suggested maintenance guide, and it says to change it every 5000 miles. Which is correct, or ...