2
votes
1answer
38 views

What is Opel/Vauxhall's TwinPort Technology?

Some Opel Engines come with something called TwinPort Technology. I guess that this increases power, as the original Z12XE (1.2) engine has 55kW, and the TwinPort (Z12XEP) version engine has 59kW of ...
3
votes
0answers
47 views

2001 Lexus ES 300 bank 1 misfire

2001 Lexus ES 300 (3.0L, automatic) The check engine light is on and I scanned it: cylinders 1, 3, and 5 (bank 1) are misfiring. I’m basically getting these 3 symptoms when driving: 1) Cylinders ...
7
votes
2answers
47 views

How is engine load determined?

I'm struggling to find information on how engine load is defined. Is it really just a fancy word for torque demand? There are three parts to this question: Is there a theoretical equation that is ...
2
votes
1answer
37 views

Could very minor impacts have caused electrical problems?

I've recently bought a 2002 Kia Shuma, and a few days ago I went for a 10 mile drive. I'm still learning how to drive, and I bumped into two kerbs, and while parking I hit a wall at low speed, at ...
2
votes
1answer
23 views

4 new tires on 2013 Explorer?

I read through the past article and through others questions on this topic, but I am getting conflicting answers. I had a flat tire and the tire company put two new tires on the rear of my Explorer. ...
2
votes
2answers
46 views

Do I need to reprogram ECU when adding custom Air filter

I was thinking of replacing the air filter of a bike into a custom free flow filter. I understand that I have to mod the exhaust to free flow as well to accompany the increase in exhaust due to the ...
3
votes
1answer
31 views

Is it possible to test tranny when off vehicle?

I am preparing to do my first transmission (manual) rebuild job. I was just curious if it is possible to test whether the job has been done right while the tranny is off vehicle while simulation ...
1
vote
1answer
24 views

What parts/gears should be replaced if taking tranny down?

I have a bad 3rd gear synchro on my 2007 v6 6 speed manual Tacoma, which results in grinding when shifting 2nd->3rd gear if not done super carefully. As I feel confident in my mechanical aptitude, ...
2
votes
1answer
38 views

What model carburetor is this? (Mikuni Corp)

Recently, my ATV (a 1997 Yamaha Big Bear 350 2x4) developed a carburetor issue where it would run rich. I took it to a mechanic who says that it needs a new carburetor. However, he was unable to find ...
1
vote
1answer
39 views

What are the effects of not having ABS?

I recently realised that my car does not have ABS. Would my stopping distances increase? Does it make a lot of difference in good conditions (e.g dry, smooth roads)? Would it make any difference in ...
2
votes
2answers
89 views

What are some problems faced when driving vehicles during heavy rain?

Please could somebody explain the problems we could face while we are driving during heavy rain or along flooded roads? What are examples of designs that mitigate the issues of driving in heavy rain? ...
2
votes
0answers
16 views

Mitsubishi L200 MK4 2003 right back passenger window wont go down

I have recently got an old Mitsubishi l200 mk4 that I am restoring back to its former glory. The back right passenger window won't go down. I have taken off the panel and I can see the motor working ...
2
votes
1answer
27 views

Peugeot 206 indicator not working properly

In my Peugeot 206 my indicator isn't working. If I indicate I go too the right, the indicator will turn on (with the correspending sound) for about 3 seconds and then it will turn off. If I want to ...
0
votes
0answers
11 views

brakes still pulsating [duplicate]

replaced rotors and pads(rotors twice)and still pulsating. Are the calipers the only thing left that could cause the pulsating? I checked the slides on the calipers the were ok( not stuck or frozen). ...
1
vote
1answer
19 views

Battery Drains Every 1-3 Weeks

I have been experiencing a slow draining of the battery for the past 1-2 months wherein the vehicle will be fine and suddenly the vehicle will not start. First thought was the battery, as the ...
4
votes
2answers
608 views

Do you need charged battery for car to Idle

I am planning to acquire a 2001 Mitsubishi lancer 1.5 the car runs perfect but the it has an almost flat battery, even the horn doesn't work unless driven around.(No starting Problem though weirdly) ...
1
vote
1answer
74 views

When to change Timing belt - Peugeot 307 2003 1.6cc

I have got a Peugeot 307 2003 1.6cc Current milage is 97,000 and last full service had been done when on 60,000. I had done my MOT recently there were no major issues. I was wandering when ...
1
vote
0answers
32 views

ac compressor pulley making noise

2006 hyundai sonata 6 cylinder ac compressor pulley is making noise how dangerous is it to drive ? Also is there a temporary fix i could do or is it possible to grease the ac compressor bearing in my ...
1
vote
1answer
15 views

Rear blinker failure on camper trailer

My right rear blinker on camper trailer does not work but every thing else does. I have a test light to test fuses and relays on truck to see if that may be an issue. It has camper tow package. Where ...
1
vote
1answer
10 views

I have a 1993 GMC sierra 1500 and I have some questions about the grounding

When we bought the truck the original battery was grounded to the alternator and my dad told me I should remove the ground and put it to the frame. Well after we did that all of my gauges started ...
9
votes
2answers
275 views

Why do we need to cool air after it leaves a turbocharger?

When we are using a turbocharger to compress the incoming air, the air gets hotter. Usually this hot air is cooled by using intercooler before it is passed to the engine. But what is the reason ...
3
votes
0answers
19 views

Identify parts I need from a supplier catalog

I'm French and I own an old Volvo V70 car whose automatic gearbox sounds seriously tired. In Europe an specially in France, automatic gearbox is not usual as it may be, say in USA, so it's not easy ...
0
votes
1answer
52 views

The brakes on my vehicle continue to pulsate, even with new rotors and pads

I've replaced the rotors and the brake pads so far, but the brakes continue to pulsate whenever they are applied. The slides on the caliper are not stuck or frozen, but I think they may be the ...
2
votes
0answers
33 views

AC suddenly stopped working?

After few hours driving in town with a lot of traffic my AC was working fine, keeping low temperature inside. Then I had to stop the engine for few minutes and when I turned it on, although the AC ...
0
votes
0answers
22 views

My Ford Escort ZX2 not starting

Ford Escort ZX2 I go to turn my car on. I have power, but it will not start. No clicking. Took starter off, it was bad. Put it back on. Also, took a new battery, put in my car from truck. Still same ...
2
votes
0answers
52 views

Engine on BMW G650GS 2011 does not start when it's hot

I have a rather strange problem with my BMW G650GS. In the morning, when the engine is cold, it starts fine with a single crank. There is no problem with riding, the engine works fine and never ...
1
vote
0answers
37 views

AC stopped blowing cold air

This is my question, the ac in my 2000 Chevy S10 2.2L stopped blowing cold air. the clutch doesn't seem to be engaging. I tried recharging the system but the gauge is up in the red zone already.
0
votes
0answers
17 views

2003 Ford Escape

I have a 2003 ford Escape, and I am having to put 2-quarts of oil after every time after I fill my car up on the second fill up. I change my oil every 3000 miles, it doesn't leak oil, or smoke, why is ...
3
votes
1answer
94 views

Advantages of direct vs sequential fuel injection

I understand that direct injection puts the air/fuel mix into the cylinder body directly vs the intake valve like the sequential does. What are the advantages of doing so? E.g. does it yield a ...
3
votes
1answer
38 views

What tools are needed to DIY wheel alignment?

As per this article, DIY-ing wheel alignment requires a camber gauge and either a toe bar or toe plates. Is that a complete list of tools required? Is it better to use a toe bar than toe plates?
2
votes
1answer
129 views

Why aren't fuel pumps powered by drivebelt?

I was reading about fuel pumps, which are electric powered. I was trying to understand why they wouldn't be part of the drivebelt assembly and my guess was that they need steady pumping rather than ...
1
vote
2answers
17 views

96 Chevy Cavilier Leak From the Transmission

I'm looking at buying a 96 Chevy Cavilier which looks from the pictures to be in very well kept condition. The only drawback the seller mentioned was an unknown leak from the manual transmission. ...
1
vote
1answer
44 views

How did the tyre shop flatten my battery?

I bought a 'new' (2004) Subaru Forester last week. The other day, I took it in to have the wheel alignment checked, and once they had finished aligning it, they came back and said "the battery was ...
1
vote
2answers
27 views

New struts on a 2000 model year car with 225k miles, replace coils?

Should the suspension coil springs be replaced on a Toyota Celica that is 15 years old and has 225k along with the struts or do the coils never really go bad? How about the top bearing plate?
1
vote
1answer
30 views

Engine sound rumbles/grumble noise 800-1300 RPM

A 2000 Toyota Celica GTS 225k miles engine makes a mild rumbling/grumbling rough sound when accelerating slowly from a stop in drive or reverse only in the 800-1300 RPM band. Does not occur when in ...
1
vote
0answers
30 views

A most intriguing cold-start misfire mystery

I'm trying to help a friend out with a CEL on his 2009 Merc GLK 280. Hooked it up to an OBD2 reader and retrieved a single code: P0300 - 'Random/Multiple Cylinder Misfire Detected', via the 'OBD ...
0
votes
2answers
82 views

Can someone identify this part of the engine on a TVS Apache

I tried looking up everywhere, and this is unique to this bike. Can someone identify the below component. Looks like a pipe connecting the engine with starter motor. Close up of the engine , both ...
5
votes
1answer
39 views

Gases from car batteries

Does my car battery emit Hydrogen Sulfide gas when charging, or just Hydrogen gas? I bought the battery around July 2014 (brand new), and because I did not drive my car for a period of one and a half ...
2
votes
2answers
81 views

What is Variable Valve Timing technology?

Recently when I visited a car showroom the salesman pitched the car by saying it has VVT technology which is superior compared to other cars. I researched and found out that it alters the valve ...
1
vote
1answer
28 views

Does Crud Hold Old Engines Together?

I've read anecdotal accounts here and there that cleaning various parts of older engines can cause various parts to fail, or be pushed over the edge. Basically, people say that as the engine ages ...
4
votes
1answer
44 views

Importance of engine compression ratio

Please explain the importance of Engine Compression Ratio. In Text books I could find the following importances Engine Cold starting Characteristics Torque Generated Fuel Consumption Noise ...
1
vote
1answer
23 views

Changed Spark Plug Missing (not firing)

Over the weekend, I changed one spark plug on my 2001 Ford Explorer Sport. It was running fine but it had been about 30,000 miles and I am about to sell it and wanted to have everything running good ...
2
votes
3answers
44 views

1996 Ford Mustang 3.8L V6 - Intermittent Stalling on Slow Down/Stop

I am having a rather interesting problem that I can't figure out with my 1996 3.8L v6 with 137k on it. Occasionally, I will experience a problem when I slow down or stop the car just gives out and ...
1
vote
0answers
32 views

2006 Honda Civic Hybrid — starting problems if not recently (12hours!) driven

I have a 2006 Honda Civic Hybrid. About a year ago, I noticed it had starting problems if not recently driven in the last few days, like when I'd come back from a vacation or if I didn't drive it ...
1
vote
1answer
276 views

Peugeot 307 horn not working

I own a Peugeot 307 , 2003 model . 97000 miles. My local mechanic fixed its horn two times but after few weeks again it stopped working . Now my MOT is due and was wondering what would be the best ...
2
votes
0answers
22 views

SAAB 93 Car Audio system upgrade [closed]

I have a 2009 Vector trim Sports Saloon version. With that trim basically you get a Radio/CD audio system with ability to play mp3 CD's. However it's time to move on for some better solutions with USB ...
4
votes
3answers
185 views

Mechanical ABS system - Scam or Legit?

This question is not wrt. fully mechanical fly wheel based systems seen in a few cars back in the 60's. This question is with respect to a few brands (among which are many no-name manufacturers) which ...
7
votes
2answers
149 views

What are the Advantages of a Single Side SwingArm on Motorcycles?

I have noticed that Ducatis , Honda and Triumph have bikes with a Single Sided SwingArm Much like most of the scooters. Are there any advantages of following this design , if so why are not all ...
3
votes
2answers
58 views

Why is Diesel Engine called as Quality Controlled and Petrol called as Quantity Control

Why is Diesel Engine called as Quality Controlled and Petrol called as Quantity Control. As far as I understand, In Diesel Engine the right amount of Diesel for the right amount of Compressed air ...
1
vote
1answer
21 views

Can the evap canister valve be ordered and replaced separately for a 2001 Toyota Camry

I'm tripping some codes for the check engine light and took my car in to get repaired. They did a smoke test and are fairly certain that I need to replace a valve on the canister (there are others ...

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