General internal combustion engine questions.

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2
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3answers
140 views

Should I clean the engine area

Should I clean the engine area to remove years of built up grease and dirt? What are the benefits?
2
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3answers
2k views

92 Civic engine won't start after replacing head gasket

I just replaced the head gasket in my 1992 Civic. Started it up before putting everything back together (just a second since it had no coolant, exhaust wasn't connected, etc.) and it ran fine. But now ...
2
votes
3answers
179 views

Hyper-miling and stress on engine oil

The other time I asked my mechanic, are my tyres about needing to be changed? He said, naw, another 8000 miles. After driving 7000 miles, I asked another mechanic who again said, long way to go. ...
2
votes
3answers
117 views

What is this tank for ?

I just bough an old (1980s) Nissan Pathfinder. In the engine I have managed to identify the engine-oil hole, the radiator-water hole and the windshield-washer hole (you can tell I'm a car expert!) ...
2
votes
2answers
3k views

What could cause an engine to make a chirping sound when it's first started up?

I've owned a Diesel Peugeot 307 for a year now but during the recent winter months I have noticed a strange sound in the engine when I started it up. As sounds aren't well described with words, I have ...
2
votes
2answers
120 views

What does CC refer to when describing an engine?

I have been learning about various older cars on Wikipedia. I've always wondered what the "cc" refers to in the engine description. For example: 1964–1969 Porsche 911: 1991 cc 1965-1969 Porsche 912: ...
2
votes
2answers
256 views

Problems in building higher displacement 2 stroke engines

I understand(from preliminary research) that when engine gets bigger(higher displacement) it is practically not possible to have a two stroke engine. What are the implications in building a higher cc ...
2
votes
2answers
252 views

Does the a gasoline or diesel engine appy fuel at high speeds when not pressing the pedal and more

Let say I directly connect a small engine to my bicycle, and that I'm superman who can overcome any force. Then I start cycling (using my legs...) - the engine starts to rotate, even though I haven't ...
2
votes
1answer
291 views

2004 Buick LeSabre sputters in wet weather only when accelerating

My 2004 Buick LeSabre recently started behaving strangely. At first I thought I had filled up with some "bad gas." I used Heat to treat and after a week or so it seemingly started to work fine. Then ...
2
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3answers
296 views

Is my mechanic ripping me off?

My 2002 ford focus (built after may 23) died and the AAA and tow guy both said that it needs a new fuel pump. Anyway I went to the mechanic and he said it'll be 350 for the pump and 200 for labor. I ...
2
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3answers
3k views

Squeaking Noise when Cold Start. Suspect something wrong with belts, Also engine missing when sudden acceleration desired from Total Stop

From the past few weeks whenever I crank my car there is a squeaking noise which may continue for about 30-60 sec or even longer (This is intermittent sometimes it doesn't really happen). The engine ...
2
votes
3answers
1k views

Why would welsh plugs start leaking?

I have a VW Citi Golf, and the Welsh plugs on the engine block suddenly started leaking water. The engine sounds fine, but it obviously leaked a lot of water and although I didn't drive far, I'm not ...
2
votes
2answers
31 views

What is meant by Engine Life Factor(ELF). Should I consider it while buying a vehicle? If so why is it not widely quoted?

The term Engine life factor going by the name suggests that higher the value more is the life of the engine. If so why doesn't companies specify this as a part of their standard specifications?
2
votes
3answers
140 views

Can I use high temp RTV instead of a gasket?

I read somewhere that I can use RTV silicone instead of a regular rubber gasket as an engine seal. Is this feasible?
2
votes
2answers
59 views

1999 Toyota Corona burning through oil in a week

I have a 1999 Toyota Corona with a D4 engine. The engine is giving me trouble and seems to be burning all the oil. It burnt through in about a week (after topping it up completely), and I say burn ...
2
votes
2answers
819 views

Formula for calculating output power after putting a rpm reduction gear

I'm thinking of starting of converting an old car to an electric car. I have a question, but google won't answer me my very long not very well explained question. Take this scenario. I would take a ...
2
votes
1answer
140 views

motorcycle oil for m50B25TU (BMW E34)?

I just bought an e34 from a friend and he said he uses liqui moly racing synth 10w-50 for the engine. My mechanic was quite surprised when I told him and said I shouldn't use that, instead use real ...
2
votes
2answers
2k views

Possible causes of this Honda Civic K20 engine whine/hiss?

I own a 2008 Euro Civic Type-R which has almost the same engine as the US Civic Si (K20Z3 vs K20Z4). Since a bit of time I have a really annoying high pitched noise coming from the engine. It's ...
2
votes
2answers
134 views

Reaching top speeds to maintain engine tuned

I live in Central America. Driving is different than in 'Western' countries. Roads are often in bad shape, and it is very common to encounter people / cows / carts / painfully slow cars on the ...
2
votes
1answer
224 views

Power Inverters as Emergency Generators?

After being hit by Hurricane Irene last week, I happened to loose power for literally one week so rather than rely completely on batteries and being a nomad, I used my Cobra 400 watt power inverter ...
2
votes
2answers
2k views

Car overheating problem

I have a 2002 Ford Focus. Whenever the car is idling the heat gauge goes up at an alarming rate and goes the farthest into the red that it can if left alone. Now if I rev the engine a little the ...
2
votes
1answer
6k views

Burning Smell and Faint White Smoke

I have a 1999 Audi A4. Recently there is a burning smell when driving that is noticeable when stopped after driving. At night I noticed a faint white smoke blowing out of the front in the headlights. ...
2
votes
2answers
35 views

Peugeot 207 “Cam Cover” Letting in Air

I'm getting codes P2196 (A/F sensor stuck rich) and P2270 (O2 sensor stuck lean) and symptoms of hesitancy whilst idling (original question). Took it into the garage and they've identified that the ...
2
votes
2answers
92 views

Weedeater doesn't run very well w/ muffler on

I know nothing about this kind of stuff. But, when I started my weedeater, and put it on no choke (or even half choke), and gave it full throttle, it slowly died unless I let up on the throttle. I ...
2
votes
1answer
108 views

Motorcycle heats up within minutes of driving in the traffic.

Ice cold engine of my KTM Duke 200 heats up and shoots the highest temperature and the gauge reaches the extreme within like 15-30 minutes of driving it in traffic. And the engine stops and doesn't ...
2
votes
1answer
499 views

2003 Honda Civic 1.7 vTec - White Smoke from the tailpipe

I have a Honda Civic 2003 gx 1.7 liter vTec stick shift 4 cylinder. Just today I had to put oil in my car. Drove for about 5 minutes got to a light and when I shifted into first gear a white cloud of ...
2
votes
1answer
172 views

High pitched noise from engine unless brakes engaged

I'm driving a manual 96 Toytota T100, and recently the engine started making a high pitched, almost inaudible whine. Some things I've loosely figured out: It always stops when the brakes are ...
2
votes
1answer
417 views

Mazda 3 2004 Engine Revving when car not moving

I recently noticed when my car comes to a stop engine running and ac on the engine revs as if it wants to move forward. The rev isn't huge. When i am in traffic and holding down on the brakes, if i ...
2
votes
1answer
106 views

Does a water leaking make the engine heat faster?

I have a Range Rover classic 1993 which is heating very fast even if I just drive for 10 min, the heat is not rising too much but I used to drive this Range Rover before and especially in winter ...
2
votes
1answer
2k views

Hard Start in cold weather

We have a Ford Escape (2005 V6) with approximately 125k on it. I have done most of the maintenance on it myself since we bought it at 90k and it has overall been a great vehicle. The past two ...
2
votes
2answers
1k views

Aftermarket start-stop system

I am looking for an aftermarket device that turn off the engine when the car is in rest and turn on the engine when the throttle is pushed. Which are the producer? Where i can find it on internet?
2
votes
1answer
509 views

Lifter tick—safe to ignore short-term? What to do about it?

I have a 2002 Toyota Camry V6 (1MZ-FE) with about 129,000 miles on it. Recently, I noticed a ticking that seems to be loudest at the end of the front valve cover, on the opposite side of the timing ...
2
votes
1answer
67 views

What are those big plates on both sides of the steam engine?

I would like to know what are those two big plates on both sides of this engine:
2
votes
1answer
437 views

2002 Ford Focus CEL blinked for a minute and then turned off

I have a 2002 Ford Focus with around 100k miles on it. I just brought it back from the mechanic for a fuel pump replacement. As this question shows. Anyway I was driving around going uphill when I ...
2
votes
1answer
480 views

is there any way to adjust my idle speed - 2003 Cadillac CTS

My 2003 CTS vibrates pretty bad at idle speed (around 600 RPMs) But If I rev up to 800 or so, it's totally smooth. The real problem is partially due to worn motor mounts, but I dont want to spend ...
2
votes
1answer
107 views

How do the cycles of the engine get converted into cycles of the wheels?

Is it the transmission that converts the high rpm of the engine into the lower rpm of the wheels rotation? Let's say that an engine was running at 500 rpm (this refers to the rpm of the crankshaft, ...
2
votes
1answer
419 views

Comparing v-twin with straight-four engines

This isn't really on-topic for "motor vehicle repair", but I figure it's kinda close. A few months ago, I bought a 1983 Honda Nighthawk 550, which has a straight-four engine. A friend of mine was ...
2
votes
1answer
500 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
2answers
175 views

Mazda 323: Plugged in Coolant Temp Sensor - Now Car won't Start

I recently bought a Manual 97 Mazda Lantis 323 1.8L DOHC 16 Valve BP. I found the following wire unplugged on the drivers side of the engine, next to the water intake from the radiator: It plugs ...
2
votes
1answer
52 views

engine vibration under load

My 2009 Camry is doing the same thing, I put new motor mounts on, loosened them and re-tightened them and also cleaned the throttle body. Still have vibration coming from the engine. I have been told ...
2
votes
1answer
96 views

Ford Fiesta Mk6 engine component

I have a ford fiesta mk6. Can someone please identify the hose on the left (green square) ? It's cracked right now and it's leaking cooling liquid (I think). Here is a picture of the engine: PS: ...
2
votes
1answer
49 views

Small Engine Storage

I get conflicting info concerning small 4-cycle engine storage and would appreciate any recommendations. My snowthrower is stored in the off season April thru Oct. The manual for the engine says run ...
2
votes
1answer
59 views

Engine Whine Problem

I have a 2000 Ford Explorer V6 4.0, manual. I bought it brand new and have put just over 175,000 miles on it. I was driving down a dirt road to my home and noticed what sounded almost like a hissing ...
2
votes
1answer
2k views

How much does displacement affect performance?

I'm interested in learning more about the steps that can be taken to increase the performance of an engine. I'm curious how much displacement affects performance. For example, compare the following ...
2
votes
2answers
108 views

1997 ford f150 lariat

We have a 1997 ford f150. My husband replaced the thermostat, but it still reads cold and doesn't put out any heat. Any suggestions? We are in Ohio, it's December, and it's freeeezzzing - need heat! ...
2
votes
2answers
667 views

Changing Motor Mounts

My 2007 Ford Focus ZX3 SES (65k miles ) has a vibration at all engine speeds. Other research has led to a high probability that this is from worn out motor mounts. I have read after market ...
2
votes
1answer
200 views

Oil in coolant none in oil

I have a 2003 F150 with a 5.4 engine. It started running rough and I noticed oil in my coolant. I checked the dipstick and it is clean. I was just a little low so I added oil. When I removed the oil ...
2
votes
1answer
91 views

CVT on 6 cylinder cars

The 2013 Honda Accord has both 4 cylinder and 6 cylinder cars, however, only the 4 cylinder cars have a continuously variable transmission (CVT). I was wondering... is there any particular reason for ...
2
votes
1answer
164 views

What are the functions of Finger Follower, Lash Caps & Lash Disks and Seat Inserts?

I have googled all teams, but do not understand well from the result Finger Followers? (I see many website talk about rocker arms, but what is finger follower? Are they for different types of engine ...
2
votes
1answer
495 views

Ford Fiesta - the colour of the water in the water container

I own a hatchback ford fiesta. I took my car out for a drive today for 10 minutes and when I came back, I opened the hood and checked that the water in the water container was quite hot (not ...