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

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1answer
71 views

Timing Sprocket Marks Disagree with Distributor for TDC

I am in the middle of replacing my 1998 Dodge Dakota 39. V6's timing set. According to the manual and everywhere online, the camshaft sprocket dot should be at the bottom and the crankshaft ...
3
votes
1answer
321 views

How long does items in the engine last in general for standard size cars?

I have a volkswagon passat wagon. It just reach 70000M and it is 2007 model. I recently check the engine at the dealership. Now they asked me to replace all the following items to fix engine overheat ...
3
votes
1answer
30 views

Dodge Caravan 2000 sudden rev

My Dodge Caravan 2000 suddenly revs at high speeds. When travelling at 70km/h, the rpm would suddenly go from 1.5k to 2-2.5k instantly and jerks afterward. I'm not really a car guy so if you guys ...
3
votes
1answer
180 views

Ticking/clicking when accelerating 1997 Dodge Caravan

My caravan began ticking when accelerating yesterday. It ticks fairly loudly when accelerating and much softer and slower when idle, or slowing down. Ticks slow and steady when idle or in park. Does ...
3
votes
1answer
208 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
131 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

Lots of oil in radiator, but no coolant in oil and oil is not low

Theres oil in the radiator and the overflow tank of my 2002 GMC Envoy. The oil is fine, and has no water in it. The SUV gets regular oil changes, and the oil presure is fine. Water temperature is ...
3
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2answers
2k 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
595 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
1answer
849 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
236 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 ...
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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
791 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
3answers
981 views

Toyota camry 2003 , 2azfe - 2.4 L , vibrates at idling & does not accelerate properly

Recently I sent my Camry to the workshop as there was a blown water outlet pipe, and was told that the head gasket was damaged too. These were then replaced, and I took delivery of my car. But my ...
3
votes
1answer
259 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
815 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
805 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
418 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
421 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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votes
0answers
43 views

Jerks on 2nd gear at low speed

My car jerks on second gear when I slow down while on second gear and then want to accelerate back. After changing the plugs and air filter it got a bit better but after driving 500+ miles it is back ...
3
votes
0answers
37 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
41 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 ...
3
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0answers
42 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. ...
3
votes
0answers
39 views

ECM replacement - starter runs during reprogramming?

(mid-90's Buick) Someone I know had an ECM injector drive output go bad. He got a replacement ECM online, but had to take it to a shop (not a dealer) to get it 'initialized' (If that's the right ...
3
votes
0answers
20 views

Hiace 1996 ignition/motor problems

I have a 1996 Hiace. I was driving and it just died, nothing. Dash lights all work, but motor will not turn over, nothing from starter. It has dual fuel, and was wondering if it could be the AEB 552 ...
3
votes
0answers
55 views

Wrongly plugged battery terminals

I inter-switched my battery wires, positive to negative. Now the car moves but does not accelerate with the pedal to the floor. What have I done to the car? The car is a Toyota land cruiser v8 2006. ...
3
votes
0answers
59 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
190 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
189 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 ...
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votes
0answers
142 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
362 views

Strange surging and like it's going to stall, hesitant whilst idling

I have been having an issue with my Peugeot 207 (2008 model) 1.6L VTI petrol engine. The cam cover was replaced by the garage but hasn't fixed the problem. I have lost faith in them. I managed to ...
3
votes
0answers
691 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
363 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
221 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
165 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
0answers
977 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
543 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 ...
3
votes
1answer
171 views

Corsa Sport (2007) low compression cylinders 2 & 4

I have been having trouble with my Corsa. It sometimes just cuts out or does not want to start at random times. I have had the car serviced, I have had the starter motor replaced & am now having ...
2
votes
5answers
11k views

What modifications need to be made to an engine to enable higher safe RPMs?

I first had this question while playing a racing game - it was a touring race with BMW 320i's, and I noticed that I could rev up to 8,500 RPM before shifting gears. Now my car (an older 320i), ...
2
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2answers
1k 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
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
9k 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
2answers
414 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
2answers
106 views

Why are intake valves dirtier than exhaust?

I took my engine apart and one of the things I noticed, on both cylinder heads of my Tacoma V6, is that the intake valves (picture right) are significantly darker (or dirtier) than the exhaust ones ...
2
votes
3answers
162 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
378 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
7k 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 ...
2
votes
4answers
805 views

Car engine starts only for a fraction of a second and doesn't anymore?

Recharged the car battery, dashboard lights all on, starter motor producing the starting sound. Engine not starting. After seeing this question, I cleaned the solenoid brushes and at the first turn of ...