Internal Combustion Engine. Most engines in road going vehicles are 4-cycle internal combustion gasoline engines.

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6
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4answers
92k views

Slow Accleration And Moving RPMs

UPDATE: I bought a scan tool and downloaded the torque app. I don't get any error codes. I decided to drive it again today. I drove about a quarter mile and barely got to 20MPH. I turned around and ...
3
votes
0answers
430 views

Kia Sedona CRDi cranks but won't start

I have KIA Sedona 06 CRDi. It went into the garage for a major service: timing belt; serpentine belt; filters; brakes; etc. I got it back running perfect. 2 days later it won't start. It cranks over ...
4
votes
0answers
50 views

96 Suburban intermittent falter/stall immediate restart

96 GMC K1500 Suburban. Falters/stalls. Intermittent. So far low speed/parking lot acceleration from stop. Also deceleration low speed as in coming to stop. Radio cuts in and out around the time of the ...
1
vote
2answers
2k views

Massive oil drop in the course of a few days

A few days ago i posted a question about the dealer reporting some oil spillage/leakage but that it passed the mechanical test. I checked the oil level of the car from my 80 minute drive home and it ...
6
votes
2answers
3k views

BMW 530xd e60 2008 diesel engine turns but won't start

I have a problem with my BMW, just bought it, previous owner hasn't been facing such problems. When the engine is cold for e.g.: after night. Outside temperature is about -4 to +1 degree, engine won't ...
0
votes
1answer
238 views

What hose is this? (2000 lexus es300 w/ 1mzfe VVT-i)

Damn thing snapped while I was taking it off, no idea what it is and can't quite seem to find out on google for some reason. It goes from the front valve cover to the intake.
2
votes
1answer
190 views

BMW | Engine Struggles and Overheats

I had a problem with the coolant light going on for few minutes after running the car from a cold engine and then it would turn off by itself. I took it to the mechanic and they added coolant and, ...
1
vote
1answer
3k views

Timing Belt Replacement Schedule on 2004 KIA

Can anyone tell me at what recommended mileage should the timing belt be replaced on a 2004 KIA 4 clylinder engine. And if you know, is this a job for a pro or can a do it yourself person do it? ...
1
vote
1answer
512 views

Engine hesitates when accelerating - 1996 Sunfire

I have a 1996 Pontiac Sunfire with the 2.2L engine. When I accelerate slowly the engine seems to run fine. However, if I accelerate quickly the engine seems to hesitate. I have already replaced the ...
7
votes
1answer
431 views

Why are V engines less smooth?

I'm learning how to ride a motorcycle on a Suzuki Gladius SFV650, with a V-twin engine. But I also had the chance to ride a Kawasaki ER-5, which has a parallel twin engine (550cc). I've noticed that ...
4
votes
3answers
2k views

Craftsman Push Mower Dying After Running a few minutes

I received a Craftsman push mower (Model 917.377543) from my sister. She had left it outside all winter in the snow/rain. I have got to the point where the mower will run for 15-20 minutes initially ...
0
votes
3answers
427 views

How to increase fuel economy

What is the normal fuel consumption for carburetor type Toyota 3A engine? My 1986 Toyota Carina AT 150 car gives 11 km/l in city and 14 km/l on highways. How can I increase it more? Please advise.... ...
4
votes
3answers
4k views

Ford Taurus common oil leak area?

On my last oil change, the technician noted some oil around top and side of the engine block and said there is a small leak. The only way to find where it is coming from is doing the whole dye test, ...
4
votes
3answers
4k views

Car runs uneven and jerky, but why? (Mazda 626)

I have a Mazda 626 (sedan) -97 and lately its been running uneven and jerky. Have had in in for repairs and changed battery, oil+filter and spark plugs. Still had problems and tried to use a engine ...
1
vote
3answers
538 views

Mercedes W123 engine “jumpy” when cold

I have a weird problem with the engine of my W123 (the engine is gasoline, 2L, 80kW with a Stromberg 175CDT carb). When the engine is cold (less than ~50C or so), it acts weird. When I want to ...
2
votes
1answer
317 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 ...
0
votes
1answer
314 views

I want to replace my renault clio engine F8Q by another one of toyota

I want to change the engine of my RENAULT CLIO II 1.9D. This engine was broken when the stone hit the bottom of the engine (carter) then the engine stopped to work because there was any oil. So I ...
1
vote
4answers
540 views

Tunning the ECU of a Volkswagen Golf MK6 1.6 TDI DSG

I am a owner of a Volkswagen Golf MK6 1.6 TDI DSG (105HP), and i am a beginner in mechanics, but in computers i am an expert. I stumbled upon those days on some websites that claim to bring you ...
-1
votes
3answers
2k views

High engine temperature

I have used a Nissan Micra K12 1.0(CR10DE) that I've bought recently. It is running hot all the time no matter I'm driving it or not. I have checked the thermostat and found it removed, before that I ...
4
votes
3answers
34k views

What would cause a car to lose power a few seconds after starting, then run normally?

I start my 2003 Honda Civic each morning and drive to work. A few hundred feet down the road, the engine will sometimes behave as though it is running out of gas and lose power momentarily. It ...
1
vote
1answer
402 views

99 chevy suburban motor kicks back

What would cause a fuel injected motor to kick back while cranking it? I have a 1999 chevy suburban 4wd 5.7 ltr. I know it needs an intake manifold gasket, but would that cause it to kick back and ...
2
votes
1answer
80 views

Error Codes Related to Transmission?

2002 Ford Mustang V6 My car started having a new problem yesterday. When I drive down the road randomly the pedal loses rpm's. For instance I'll be going 40mph and then there is no resistance on the ...
2
votes
1answer
137 views

Car doesn't start for 1 hr

My 1997 Dodge grand Caravan will run fine for about 2 to 3 weeks, then all of a sudden when I turn it off it doesn't want to start back up: all the lights work just fine and I got full power, but it ...
0
votes
2answers
3k views

BMW 320i e36 VS BMW 325i e36 [closed]

What are the difference between a BMW 320i e36 and BMW 325i e36, Does the 325 engine offer much more power than the 320 engine, what are the Pros and Cons of each one, Thanks
0
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2answers
57 views

Oil in radiator? 1991 Ford Telstar

The radiator water is a browny color and very viscous. Oil levels have dropped beneath minimum on dip stick after adding 1.5 liters of oil.
2
votes
2answers
180 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
1answer
3k views

Briggs-Stratton Lawnmower motor losing power

My Toro lawnmower featuring a Briggs-Stratton 7.25HP motor has been losing power lately. It is about 2 years old and I've used the maintenance kit (spark plug, air filter, oil, & fuel treatment) ...
5
votes
1answer
329 views

Is it possible to paint my Mk1 Golf Engine in either Matte Black or Grey? If so, how?

I am currently doing up a Mk1 VW Golf and I have reached the stage where I need to make a decision on my engine paint. It will be at shows so I want something nice (but not Chrome). Is there any way I ...
3
votes
3answers
259 views

97 Honda Civic dies in neutral

I have a 97 Honda Civic that will occasionally die in neutral. This is what I have done so far: Replace both O2 sensors Replace MAP sensor Replace Air filter Added Lucas treatment to fuel tank ...
2
votes
1answer
932 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
2answers
1k views

A/C causes the the car to die

I have a 1999 ford ecsort Zx2 it has the 2.0L DOHC engine in it or known as the Ztec engine. When I am driving with the A/C on it sputers and dies but restarts. What would cause this? it runs just ...
1
vote
2answers
270 views

Squeak on agressive clutching - Renault Megane

I am looking at buying a Renault Megane 2005 1.4 petrol. The car looks in very good condition but it has a subtle squeak if I release the clutch pedal too suddenly ... this is either on gearing up or ...
0
votes
2answers
623 views

Torque and engine power [duplicate]

What is the relation between Torque and engine power? Just wanted to know how power is distributed to wheels in a car.
1
vote
1answer
509 views

High RPM and engine heating on 2001 Subaru Legacy

I have a 2001 Subaru Legacy L station wagon with 143k miles. I do not know when the timing belt was done, or when the spark plugs were replaces last. I only know that the brakes, tires, and one of the ...
0
votes
1answer
96 views

Can I install nano fuel economizer for carb type toyota 3A engine?

Can I install nano fuel economizer for carb type toyota 3A engine? Will it help to improve fuel consumption of my car without any issue?
2
votes
1answer
495 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
188 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 ...
1
vote
0answers
42 views

Does “slogging” an engine (open throttle at very low RPM) increase mechanical wear? [duplicate]

When I was taught to drive, I was told that "slogging" the engine - open throttle at low RPM, e.g. 1000 RPM - was bad for it. Particularly when driving up a hill as that means you'll be stuck at that ...
1
vote
5answers
1k views

Why didn't tuning box or remap work on my mondeo st tdci

I brought a tuning box a few months ago. When I fitted it, it didn't work so I sent it back. They tested it and it was working fine, so I tried it again, but it wouldn't make my car any quicker. So I ...
0
votes
1answer
605 views

what is the advantage of octane 90 petrol vs octane 95? how it effect to fuel consumtion of a car? [duplicate]

i need to know about advantages of octane 90 petrol VS octane 95 or unleaded. how it effect to fuel consumption of a car?
4
votes
1answer
841 views

Astra Turbo sounding like a diesel

http://www.youtube.com/watch?v=ph6JOhFJcJA The video above demonstrates the sound I hear when my car is at operating temperature. I don't know why it would sound so rough. It doesn't sound quite as ...
3
votes
1answer
1k views

What could make a noise when I decelerate with a manual gearbox?

Update 06/23/2014 One week later, this noise is now very, very loud, even when I don't decelerate. As soon as I put the 5th gear and clutch, it vibrates whether I accelerate or not. It's like if the ...
4
votes
1answer
2k views

Engine suddenly died on uphill, then went back to life after a few tries

Car: BMW 318 TDS Compact. 90HP. 168.000KM Situation: was driving a very intense uphill section at 70km/h, in 4th gear (2.000 rpm). Everything was ok. Engine sound, temperature, etc... Suddenly, ...
4
votes
0answers
74 views

Chevrolet Corsa doesn't accelerate until I restart the engine

It works fine for the first 10 km or so, then it'll suddenly stop accelerating, as if I weren't even pressing the pedal, and I have to restart the machine and it'd work again, for at least other ...
3
votes
1answer
93 views

Jeep Grand Cherokee redlines after engine overhaul

I just replaced pistons, lifters, pushrods, and head on a 1999 Jeep Grand Cherokee. It started right up, but the RPM went to redline. I checked throttle body components, the linkages are OK, but the ...
1
vote
1answer
146 views

Engine torque throughput curve is flat or wavy in low gears between 2000 and 4000 rpm

As the title says BMW's (93 E34 525i M50B25TU) engine misbehaves in low gears, namely in 1st and 2nd, most of the time when the engine is cold but sometimes even when it is properly warmed up. The ...
5
votes
2answers
2k views

Do fast cars need to occasionally be driven fast?

In the broad spectrum of cars, there's higher end models with sport-focused engines. Examples would be an BMW M3, and even more so Ferraris and Koenigseggs etc. Apparently they're more fussy, in that ...
3
votes
3answers
781 views

2003 Nissan 350 Z won't accelerate

We own a Nissan 350 Z and this morning it would not start. It would turn over but it wouldn't fire. After pulsing the gas a little bit it would start but then letting off the gas would cause it to ...
3
votes
0answers
249 views

2004 Chevy Malibu Classic Acceleration & starting problems

I was riding along and my 2004 Chevy Malibu Classic stopped accelerating. I was pressing the gas but it wouldn't go any faster. I coasted off the highway and turned it off, then I started it back up ...
2
votes
2answers
4k views

Should I replace a “blown” engine on my John Deere mower?

I have a 2005 John Deere 115 19 HP automatic riding mower. After leaving it in the garage all winter, I started the mower, drove it about 50 yards, and engaged the blade. It went about 20 feet, made a ...