General internal combustion engine questions.

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6
votes
4answers
21k 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 ...
2
votes
0answers
88 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 ...
2
votes
0answers
18 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 ...
3
votes
2answers
86 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 ...
4
votes
1answer
130 views

What does it take for a modern muscle car to sound like a classic muscle car?

To preface, I would grade my exhaust knowledge with a "B-". I know what the major components are and what they do, but I don't know if and when certain exhaust parts became mandated or introduced ...
1
vote
2answers
64 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 ...
0
votes
0answers
39 views

Engine light in Seat ibiza 2001

Occasionally the engine light is burning when turning on the engine. It doesn't always show though and I don't own this car long enough to see a pattern. If the engine light shows it doesn't go away ...
4
votes
1answer
544 views

Grinding Sound at Specific RPM/Speed

I have a 2011 Ram 1500. For about a month I thought I was hearing a clunk between 2nd and 3rd gear. I finally decided to listen carefully by turning my radio off. I now certainly notice it, but it is ...
6
votes
2answers
1k 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
46 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
3answers
96 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
1answer
33 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
2k 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? ...
2
votes
2answers
215 views

Rough Acceleration & ticking noise

Vehicle: 2000 Blazer 4WD Automatic 260,000+ miles (Runs perfectly if not for something going wrong every two weeks) Symptoms: Engine sounds rough when accelerating When accelerating there's a ...
1
vote
1answer
122 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 ...
8
votes
2answers
5k views

How much power (HP) do the components on the engine belt generally use?

In general, how much power (HP) to the components on the the engine belt actually use? I'm trying to come up with an estimate of how much horsepower an engine wastes on things like the AC compressor, ...
2
votes
1answer
63 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 ...
4
votes
1answer
91 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 ...
3
votes
3answers
113 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 ...
3
votes
1answer
3k views

How do I find a vacuum leak? I'd highly prefer not to use a carb cleaner spray

The car is a 1998 Oldsmobile Intrigue with 3.8L V6 engine (3800 Series). I've been doing my research and due diligence, but please understand I'm very inexperienced with automobiles. I went to ...
0
votes
3answers
81 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
2k 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, ...
1
vote
4answers
313 views

Why does a diesel sound like that?

My car is in the shop for a repair, and they gave me a loaner. It's a Chevy Cruze Diesel. Sitting on the driveway, my wife said, "It sounds like a truck". It does. So what exactly it is about ...
4
votes
2answers
101 views

What happens when you run out of fuel?

My question is specific to diesel or gasoline (petrol) engines. Many people told me that it is very bad to run out of diesel since it can damage the engine and it's difficult to re-engage it ...
4
votes
3answers
2k 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 ...
0
votes
3answers
191 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
42 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
57 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 ...
4
votes
2answers
17k views

Oil in coolant - how much trouble am I in?

I have oil in my coolant reservoir. Could it just be the head gasket or is it almost certainly the entire engine or might it be something else entirely? Thanks in advance...
1
vote
4answers
119 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 ...
4
votes
4answers
818 views

How does cold, dry weather affect horsepower?

It's now properly winter over here in Australia, and the butt dyno is very favourable of the cold, dry air. It's like a free cold air intake for everyone, right?? I can think of two scientific ...
-1
votes
3answers
139 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 ...
1
vote
1answer
115 views

Gas pedal not responding

It just doesn't work, as if I weren't even pressing it and it happens regardless of the speed. I have to turn the engine off and on again and it'll work for another 3 or even up to 20 minutes ...
4
votes
3answers
13k 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
54 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 ...
6
votes
4answers
18k views

Sputtering while driving & idling

[My car: 2004 Mazda 3] So, my wife came home from running some errands and told me the check-engine light was on and that the car was sputtering and felt like it was going to stall while stopped at ...
2
votes
1answer
18 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
106 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 ...
-1
votes
3answers
47 views

Drove up a curb in my '94 525i bmw and took a chunk out of the sidewalk

Immediately after going up the curb i put the car into reverse, and then park where i then turned the engine off as quickly as possible. Four of the fan's blade broke off, front right blinker popped ...
0
votes
2answers
418 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
-2
votes
1answer
22 views

Engine makes sound but still run good

how will you know if you have a small crack in your engine, and what are the sounds if there's a bad head on a Cadillac suv
0
votes
2answers
35 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
57 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 ...
-1
votes
2answers
43 views

2000 mazda MPV 6 cylinder LX

Cylinder 4 shows misfire.Have changed plugs and still it comes on occasionally. Car only has 90,000 miles.I have taken to dealer who want to charge $2500 to rebuild the engine. They kept the car ...
1
vote
3answers
1k views

Engine died while driving and won't start again

I have a Hyundai Sonata 2002 automatic which has just broken down. What happened is that while driving the engine suddenly stopped and the check engine light turned on. I attempted to start the engine ...
2
votes
1answer
130 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) ...
0
votes
2answers
138 views

RPM jumps up & back down at 40mph

My question is for a 2006 Dodge Magnum, 2.7 liter engine. Just over the past month or so, I noticed when I'm cruisung, just coming from a dead stop, when I'm at 40 mph my car kinda feels like it ...
5
votes
1answer
97 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
119 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
387 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 ...