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

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3
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1answer
268 views

Truck won't crank; no sound from starter relays

I have a 1997 Expedition, which badly needed a tune up: the motor was shaking. I changed the plugs, which stopped the shaking; two days later the truck won't start. The battery is hot and the lights ...
3
votes
1answer
160 views

what engine oil does a 1992 subaru liberty auto stationwagon need? Answers in “W” units please

What engine oil does a 1992 Subaru Liberty auto station wagon need? Answers in "W" units please. I need to add oil and I cannot find a good reference as to what to use - the oil at the garages are ...
3
votes
2answers
3k views

Peugeot 206 engine occasionally cutting out when idle

Sorry if this is vague, I don't know very much, but I'll do my best. I want to have as much information possible before taking it to a garage to do anything. I have a 2003 Peugeot 206 1.1l which has ...
3
votes
2answers
811 views

1990 Toyota Pickup 22re fuel injection EFI relay is getting hot

While driving my truck, the engine stopped dead, like it ran out of gas. I used a by-pass wire to go around the EFI and Circuit open relay, the truck ran fine. I noticed a ground wire leading from the ...
3
votes
3answers
1k views

2003 Ram 1500 4.7 Misfiring Cylinder 3

Would a bad fuel injector cause plug not to fire? Weird voltages at harness for cylinder 3 compared to other cylinders. No spark at plug. Coil and plug new and tested on other cylinders. I am leaning ...
3
votes
1answer
931 views

Why does my engine hesitate when I first start?

My question may be related to this other one, but its answer is inadequate for me to be able to diagnose my problem and know what to do to fix it. When I start my car in the morning (or sometimes ...
3
votes
3answers
268 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 ...
3
votes
2answers
1k views

Mini Cooper P1638 code

I have a 2007 Mini Cooper. It keeps throwing code P1638 on my code reader on these really really cold mornings, and the engine seems to search for idle, reving betwween 500RPM and 1400RPM. The car ...
3
votes
1answer
874 views

Low compression and will not ignite after broken camshaft pin and replaced head and gasket

My 95 Geo Metro Lsi 1.0L had a blown head gasket. I replaced the gasket and drove the car for approximately 120 miles before it started spitting and sputtering. Then it died just before I got home. I ...
3
votes
1answer
294 views

Check engine light between 1300-1800 RPM

I have a 1995 gmc Sierra hd with the 6.5L turbo Diesel engine in it. I just recently bought it and when ever I hold around 1300-1800 rpm the check engine light comes on, when I take my foot off the ...
3
votes
1answer
922 views

Engine Code P1312 on 2001 Saab 9-3

I have replaced to brand new spark plugs. After some research, it seems that the problem might be the direct ignition cassette. Could there be other possibilities? Thanks
3
votes
1answer
1k views

Rough noise while accelerating

My car is a 2002 Nissan Altima with 106,873 miles. After 95K miles, my car has been giving a rough noise from the engine. After shifting into second gear, it's smooth until I hit the gas pedal hard. ...
3
votes
2answers
1k views

Engine Revving/Misfiring - Formerly Running Lean - No Trouble Codes Now

For a few months now my 1999 Toyota Avalon XLS (California model - this apparently affects the emissions specs - I'm in NY however) with around 105k miles has been giving me these totally random ...
3
votes
1answer
1k views

Identifying American (Mercury) Mariner outboard

We have Mariner 9.9E outboard motor. Having hard time figuring out year and Yamaha equivalent (early Mariners were Yamahas in disguise). There is very little information on those, and it is hard to ...
3
votes
1answer
460 views

2004 Buick Rainier Ignition Coil Replacement

I have a 2004 Buick Rainier (6 cyllinder). I just found out the 4th bank ignition coil is bad. Seems easy enough just looking at it (I just replaced a few of the spark plugs a few nights ago with no ...
3
votes
1answer
426 views

97 altima 5spd sputters, has loss of power under 3500rpm, dies when clutch is disengaged

My 97 altima has been to the same shop four times for the same problem. It will sputter and smoke( black smoke) and has large loss of power under 3500rpms and dies just about every time you depress ...
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0answers
39 views

Overwhelming the Eng. management system, is there specific course of action to recover faster

Citroen C4 2005, Petrol, UK Yesterday I managed to overwhelm my car (for the second time I've been having it, first time was about half an year go). What happened was I was at a rather busy stop ...
3
votes
1answer
40 views

What is causing my starter to arc?

I put a new solenoid in and went to start the motor. The starter ran continuously with the key off. I overrode the solenoid and tried hooking the ground to the engine, and I touching the positive ...
3
votes
1answer
13 views

Terracan 2.9 crdi 2004 won't start

Wile driving i activated the high beam (headlights) and the rpm-meter started flickering for a moment and then dropped down to 0. Stopped the car and shut of the engine for 10 min for other reasons. ...
3
votes
1answer
38 views

Burning Smell and smoke

I know almost nothing about cars, I have an 05 Vauxhall Corsa 1.2 The other day I had to brake hard, like the hardest I've ever braked, but it wasn't full foot down. As I stopped, I noticed a large ...
3
votes
0answers
32 views

1st and 2nd cylinder not combusting in dual carburetor'red setup

So I have a Maruti Esteem engine with a dual carburetor on an engine dyno and everything was already installed when I joined this lab. We seem to have a problem when trying to fire the engine. 1st and ...
3
votes
0answers
25 views

Mitsubishi Eclipse dies while driving, then won't stay on after cranking back up

I drive a 2001 Mitsubishi Eclipse RS 4 cyl. It has a replaced engine from a Galant. The car has started dying on me seemingly randomly - I haven't seen a pattern in the fuel level, time of day, speed ...
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votes
0answers
18 views

2004 isuzu ascender Sputtering and possibly misfiring

Needed to get a smog check so I went to auto zone to find out why the check engine light was on. The code shot out that the map sensor needed to be replaced. So I replaced it and reset the computer by ...
3
votes
0answers
49 views

Ticking noise which gets faster at idle and slows after blipping

Car: Audi S5 2008 V8 4.2L Transmission: Manual Symptoms: There is a quiet (but noticable) ticking noise which can be heard from inside the cabin when the car starts. It starts of slow (maybe 10 ...
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0answers
26 views

My 05 F150 engine knocking

Drove it - reached destination and started knocking - NO oil on dipstick. Put in 5 quarts of oil - ran fine until reached next destination - started knocking again - oil was present this time - drove ...
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0answers
30 views

2006 Mercedes E350 4matic , v6 engine

Drove kids to school , stop to get ha and made it home then was about to leave back out and the car started to drive sluggish as if it didn't want to do . I proceeded to pull over at a gas station and ...
3
votes
0answers
39 views

Audi A1 makes a loud engine sound

I recently started hearing really loud noises coming from my engine. When I turn the engine on the noise is much louder then normal. When I open the hood to look at the engine I can see it is shaking ...
3
votes
0answers
51 views

Engine jolting and struggle starting

I drive a 2002 VW Polo automatic, and in the last few days it's really been struggling to start when it's cold, and then this morning the car would jolt on acceleration every now and again, when the ...
3
votes
0answers
79 views

BMW 320D 2011 ED - Engine Malfunction Icon

driving back from work and this warning light came on.. the car wet into limp mode but then was ok after 1 second. No lights on after that! today the same thing happened driving to work came on for 1 ...
3
votes
0answers
41 views

Break-in engine [duplicate]

I am going to buy new car Mitsubishi Pajero Sport (Model: MBS MT 4x4). I've heard stories of people 'breaking in' engines for the first few hundred or couple thousand kilometers using methods such as: ...
3
votes
0answers
60 views

What car would I need to buy (secondhand) to replace my currently wrecked BMW 318i motor? [closed]

Okay so I currently have a BMW e46 (318i) and i took it to my mechanic, motors wrecked etc etc. He suggested a cheaper alternative to fixing the motor would be to buy a whole new car (max 5k, second ...
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0answers
46 views

Antifreeze in my engine, and now it's making a ticking noise

I changed a busted intake out, also changed the plugs. Some old antifreeze get in the plug holes when I pulled the plugs. I have reassembled the car, but it runs bad and has a ticking noise. ...
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votes
0answers
67 views

Typical voltage drop when air con, radio, lights, etc. in use

Imagine the engine/alternator are running and the battery voltage is 14V. If I now turn on the air conditioner, radio, headlights, seat warmer, cigarette lighter, should I now expect the voltage to ...
3
votes
0answers
260 views

Renault/Dacia Logan 2014+ engine temperature indicator?

the Renault/Dacia Logan 2014 and above have indicators like this: As you can see, the dial at the right has the total mileage and the fuel indicator only. I'm wondering if there is an indicator for ...
3
votes
0answers
216 views

2003 Ford Taurus SE, Vulcan engine - Chirping sound from intake manifold, car stalling out?

Over the past 2 weeks or so my car has been making a chirping sound near the intake manifold and the accelerator. The chirping sound comes and go, and about a week ago I had an issue where my car ...
3
votes
0answers
167 views

Engine randomly turns off on Mazda Capella 2000

Recently I have been having some issues with my Mazda Capella 2000 occasionally just switching off while I am at low revs. It doesn't often happen but when it does it seems to happen multiple times in ...
3
votes
0answers
947 views

Mercedes C250- Eco mode not working

i have a C250, W204, 2011 model, and i noticed that the ECO mode is not working anymore. When i turn the car on, the ECO button light is green and the ECO sign appears in the cluster. After 1-2 min, ...
3
votes
0answers
447 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 ...
3
votes
0answers
260 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 ...
3
votes
0answers
177 views

2003 Suzuki Katana 600 shuts off after running for 10–20 seconds [closed]

My 2003 Suzuki Katana GSX600F shuts off after ten to twenty seconds after start. It doesn't spit and sputter, it just shuts down. I have loosened the bowl screws while it's running and confirmed that ...
3
votes
2answers
380 views

Why there is no injection on 1st and 4th cylinders in Fiat Punto?

I have Fiat Punto 2 1.2 with LPG (sequence, stag 4). There is problem with the injection on the 1st and 4th cylinders. Sometimes it works and sometimes it doesn't. 2nd and 3rd work without problems. ...
3
votes
0answers
1k views

Mercedes Atego OBD2 live data codes

I have tried to connect an OBDII ELM327 adapter in Mercedes Atego. Somehow I managed to get it in that OBD2 connector. I can see that my adapter is receiving electricity. These are the PID's that I ...
3
votes
2answers
566 views

97 GMC k1500 missing badly. Ignition system problems?

I have a 97 GMC Sierra k1500 with a 305 (5.0L) engine. It seems like every year for a few years now it will suddenly start missing very badly. There will be random misfires on all cylinders almost ...
2
votes
2answers
2k views

What is the specificity of Formula 1 engines, that enables them to reach 18.000 RPM?

Are they made the same way as classical engines ?
2
votes
2answers
842 views

Why use a 12-cylinder engine over a 8-cylinder engine

When I look at Lamborghini Veneno and compare it for example to the Ferrari 458 Italia I can see that Lamborghini used a V12 while Ferrari placed a V8 inside the 458 Italia. I wonder why Lamborghini ...
2
votes
3answers
6k 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 ...
2
votes
4answers
10k views

Uneven idle when my '93 Honda Accord's engine is cold

When I start the engine cold in my '93 Honda Accord, it will rev up to 2000rpm and slowly go down to 800 rpm as the engine warms up (normal behavior), unless I do one of the following during this ...
2
votes
3answers
175 views

When should we change the machine lubricant? Cold engine or hot engine?

According to the manual, we should change the lubricant when the engine is still hot to easy the lubricant flow out completely. But from other perspective, loosening the bolt at the high temperature ...
2
votes
1answer
443 views

Where to pour oil into the engine (BMW E34)?

As the title says. Also, how to open the access point (if it non trivial). (It's an M50B25TU engine)
2
votes
2answers
8k views

Why bikes with gears are preferred when there is gearless(or automatic gear) technology?

I know that lower gears have higher acceleration & low top speeds and higher gears have low acceleration & higher top speeds. But I would like to know why this gear system was designed ...