Questions about finding what the problem is.

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13
votes
2answers
672 views

How To Get Organized Without a Garage Workspace?

People I've seen who have garages have it made. They have a clean, dry workspace with all of their tools within arms reach. In the most organized garages, a mixture of rolling Snap-on Roll Cab with ...
12
votes
3answers
956 views

What to know before buying and OBD-II reader

I read the features to look for in an OBD-II reader, but I am curious if getting one is the right move. I'm just planning to get a cheap one, which is proving to be interesting shopping local. What I ...
11
votes
4answers
2k views

How to troubleshoot excessive timing retard?

I've seen numerous cars that for one reason or another, retard timing excessively at wide open throttle - getting worse over time. Seat of the pants impression is that power drops off steeply as RPMs ...
11
votes
5answers
116k views

Why would there be transmission fluid in the water overflow reservoir?

The car is a '98 Buick Lesabre with the 3800 engine and about 170k miles. It appears as though some oil was in the radiator, but I haven't seen any signs of coolant in the oil. The water pump recently ...
10
votes
1answer
63 views

My subaru legacy will not boost

I drive a Subaru Legacy Turbocharged GT 2008 model with an EJ20 engine. When I press hard on the acceleration to boost the tachometer upon reaching 4-5 thousand RPM's it starts jerking and there is ...
9
votes
3answers
7k views

Third brake light (LED) test

I have a 2008 Honda Civic and the 3rd brake light is having an issue. It seems in the morning (first cold start) it works when I depress the brake (I can see it light up the rear window). But after a ...
9
votes
3answers
77 views

Multimeter - Basic Functionality and Howto

Multimeters I'm looking for some responses regarding multimeter basics for the site tag-wiki to point OP's at when we want them to use one. The question is; What are the basic functions of a ...
9
votes
3answers
1k views

What are the causes of fluctuating intake manifold vacuum

I have a 2005 Honda CBR600 F4i which suffers from occasional hesitation at low rpm when accelerating. I also get occasional fault codes from the ECU indicating a vacuum leak. Today I connected a ...
8
votes
5answers
9k views

What is a good car to start with if I want to learn auto repair?

A couple of other "getting started" questions have been closed (as redundant with these questions), so I hope that my question is different and specific enough. I'm interested in learning to repair ...
8
votes
1answer
46 views

How is a power steering pump vacuum leak test performed?

There have been a few power steering pump questions lately. I've heard responders mention a power steering pump vacuum leak test to identify where air is getting into the power steering fluid system. ...
8
votes
3answers
121 views

Why does my RPM drop when sitting idle at traffic lights?

While I'm sitting idle at traffic lights I put the car into neutral. The engine stays idling at about 1000 RPM. However every now and then it drops down to about 500 RPM and then quickly back up to ...
7
votes
2answers
191 views

Distinguishing between mechanical and electrical failure in ignition diagnosis

After a month and a half of not driving the car, yesterday I tried to turn it on, however the only sound that I heard was the rotation of the starter, which is not engaging the flywheel (the engine is ...
7
votes
3answers
50 views

2005 Toyota Corolla intermittant battery drain when not running

I have a 2005 Corolla CE with manual transmission. About one month ago the car would not start, and the battery was discharged to about 8.5V. Car had been not running for a couple of days but nothing ...
7
votes
1answer
65 views

Mazda B3000 (Ranger) Truck takes several tries to start?

I have a 2002 Mazda B3000 (essentially a Ford Ranger) that almost never starts on the first attempt. Usually it takes 2 or 3 tries before the car finally turns over. Each time I hold in the crank I ...
6
votes
3answers
4k views

Troubleshooting 'random' clutch problems

I've got a customer who came in complaining that the clutch pedal had gone 'funny': it wasn't 'coming back up' like it used to. As he was in for service anyway, we replaced the clutch fluid, and it ...
6
votes
2answers
47 views

Fault code 27 with engine light on '94 Jeep Cherokee

I own a '94 jeep cherokee 4.0 liter. The 27 code indicates the injector circuit is not syncing with the input signal. How do I trouble shoot this?
6
votes
4answers
27k views

Diesel Engine difficult to start

I have a diesel powered Audi A4 B7 (2006) 2.0TDi (the 170BHP variety) with a manual gearbox, which I've owned for around 18 months. The car has just short of 100k miles and has a full dealer service ...
5
votes
1answer
2k views

What do relatively dirtier front hubcaps indicate?

2001 Toyota Sienna van has much more dust and black soot on front hubcaps than on rear hubcaps. I'd think that all four hubcap would get equally dirty given same driving conditions, yet within the ...
5
votes
3answers
457 views

What do these compression figures mean

This is a follow up question to What are the causes of fluctuating intake manifold vacuum I have a 2005 Honda CBR600 F4i which suffers from occasional hesitation at low rpm when accelerating. After ...
5
votes
1answer
6k views

Mercedes start/stop system doesn't always kick in

We're the (humbled) owners of a 2011 Class B Mercedes with an inbuilt ECO start/stop system. As far as I understand this is how it's supposed to work: Gear in neutral. Press the brake pedal all the ...
5
votes
4answers
15k views

Random RPM jump when accelerating hard

I should state first off that I'm not much of a car guy when it comes to the actual mechanics behind them. I just wanted to check if there's anything going wrong with my transmission. I drive a 03 ...
5
votes
4answers
3k views

What could be the reason and solution to a sudden drop in mileage?

Got my Suzuki Swift Diesel serviced two months back, and all of a sudden the mileage dropped from 20kmpl to 12kmpl and that is confusing! After i returned to Service shop, the guy said that there is ...
5
votes
1answer
1k views

What could be causing this bouncing?

I recently took my car to my mechanic for a mandatory inspection for registration. The car is a 2000 Hyundai Elantra. It needed a bit of work to pass and they did the following: replaced one wheel ...
5
votes
4answers
1k views

Subaru Impreza 1999 - no power on acceleration

My father called today to tell me that when he steps on the gas in his 99 Subaru Impreza (at normal operating temperature), the car moves dangerously slow. Does anyone else have experience with this ...
5
votes
1answer
3k views

How can I diagnose gradual electric power loss in a VW Golf Mk5?

I'm experiencing loss of electrical power to my Mk5 Golf. It seems to happen mostly when the car hasn't been run for two or three days. We changed the battery a few months ago. More recently, there ...
5
votes
1answer
12 views

1999 Grand Prix started to consumed gas

My 1999 Grand Prix is well-maintained. After an oil change it started to consume gas and oil as usual for a week, then started to shake when idling, and slow and gaging when accelerating and feel ...
5
votes
2answers
69 views

Oil pressure light on when igntion is off and goes out when key is on and engine is not running

83 Mitsu PU Diesel. Oil light on drawing .25 amps when key is off. Key on the light goes out. All other lights and gauges work as they should. Light is off when the engine is running. It is ...
5
votes
1answer
32 views

Diagnosing P0171 2007 Toyota Corolla

First time poster trying to get into cars. So my 2007 Toyota Corolla (with around 89k miles) has a Check engine light that reads error code P0171 (System too lean Bank 1). I was looking that up and ...
5
votes
1answer
49 views

How to Track Down an Electrical Short

In a previous question regarding my dashboard lights not working I found that the "tail" fuse would burn out immediately upon turning on the headlights. This is after someone did repairs to the horn, ...
5
votes
1answer
328 views

2000 Audi A4 1.6 weak motor power

Just few days before I wanted to take Audi A4 B5 1.6 (year: 2000) to 'preventive' service. I've started the car normally, only the motor sound was very weird. So I tried to make a test drive. I ...
5
votes
1answer
2k views

Citroen Xsara went into “Eco mode” then total blackout

I recently bought a used 2002 Citroen Xsara 2.0 Exclusive (petrol) which had a single electrical issue; the rear wiper did not stop in the "park" position but rather timed out in a random position. ...
5
votes
1answer
1k views

2002 Ford Explorer won't start

I've had it for about two years now, and didn't have this problem until recently. At one occasion after a long trip it wouldn't start after parking for a few minutes.. the next morning it fired right ...
5
votes
1answer
548 views

Oldsmobile Alero squeaking when started

I just bought a 2000 Oldsmobile Alero 2 days ago, and when I start it there is a loud squeak that lasts maybe 15 seconds. Unfortunately I bought the car 'as is'. Will it most likely be a belt, and if ...
5
votes
1answer
5k views

toyota corolla 2001 air duct smell [duplicate]

My 2001 Toyota Corolla recently started smelling very foul whenever the air system was turned on. According to the research I've done online, there is no cabin air filter to change. The glove box ...
5
votes
1answer
583 views

No spark on my new motorcycle

I recently purchased an 81 Suzuki GS450L, my very first bike. I'm not getting a spark. When it dies, it does so silently. No backfire, sputtering, etc. My first thought was that it had aftermarket ...
4
votes
5answers
4k views

Is there a good crash course website or book for auto repair for beginner who's just getting into auto repair?

I'm wondering if there's a good crash course website or book for auto repair for beginner who's just getting into auto repair?
4
votes
2answers
67k views

Do I need to replace rear differential if it's leaking?

When we got an oil change, he said it's "leaking, but not out of fluid or low". Do we need to do any replacement/maintenance on it, or just wait until it gets worse? How would I check something like ...
4
votes
2answers
5k views

How to safely remove stuck threads? (Brakeline from Brakehose)

I have an 81 Chevy pickup C10 that I was replacing the brake hose on. In the process of trying to take the brake line loose from it I started to twist the line when I thought I had finally started to ...
4
votes
2answers
3k views

Where exactly is the Check Engine Light connector on a 1997 Honda Honda Civic?

The check engine light on my 1997 Honda Civic lit up. I came across a method for troubleshooting (http://honda-tech.com/showthread.php?t=1901557) but I'm having trouble finding the connector. Can ...
4
votes
2answers
72 views

Does the alternator have to be a Bosch?

I have a 2003 Oldsmobile Alero 3.4 V6. I was told that I had to replace my alternator with a Bosch brand because no other brands will work. Is this true? Do I only have one option and I must get the ...
4
votes
1answer
453 views

Diagnosing Cruise Control Problems

I have an aftermarket cruise-control system which only somewhat works in a 2005 Ford Focus. By this I mean that it controls the speed but is largely inaccurate (+/- at least 10mph). Going up/down ...
4
votes
2answers
2k views

Lancer ex 2008 CVT - Slow Down warning on display!

Yesterday, i had the "slow down" warning on my display when i was doing above 180kmph on the motorway and i was no longer able accelerate. it was as if i was driving an electric car. Though after some ...
4
votes
1answer
17 views

1994 GMC Rally 3500 Low Beam out, High beam works intermittently

Low beam doesn't work. High beam will work, but cuts off and then on again. Also, if related, the switch must be jiggled for the interior dash lights to work. Could all of the problem be in the ...
4
votes
1answer
4k views

What is this squeak in my Dodge Ram 1500, and how can I fix it?

Vehicle: 1999 Dodge Ram 1500 Laramie SLT, with extended cab. 212k miles on the engine, all original under the hood except for a steering box and steering pump (put in in the fall of 2014). The engine ...
4
votes
1answer
884 views

2012 Toyota Tacoma won't shift into Reverse

I've just had my 2012 Tacoma towed to the dealership due to the truck not shifting into reverse correctly. I first noticed a problem when I was driving home and the RPMs would get up to between 3 and ...
4
votes
2answers
1k views

Spark Plugs 1998 Buick Lesabre

Where are the spark plugs in a 1998 Buick Lesabre? Pictures would be helpful as I'm a novice at this type of thing. I'm assuming I need all six because I'm getting a check engine light saying number 6 ...
4
votes
1answer
32 views

Ticking sound when stepping on Brake [on hold]

I have this ticking sound somes when I press on the brake while is not moving and on Parking but the Engine is on.I changed the rear rotors, pads , and the right rear right caliper, but the sound is ...
4
votes
1answer
88 views

How do I get the most out of a “smart” OBDII scanner?

I recently purchased an OBDII scanner that allows me to read and log data using my tablet. How do I get the most out of this device? I am already familiar with simply reading the trouble codes to ...
4
votes
1answer
827 views

Lug nuts keep snapping off

Why would 'Lug Bolts' be snapping off constantly and tires wearing faster on the passenger front tire of a '98 Blazer, 4 wheel drive. The tire is wearing on the outside. It has had a front end ...
4
votes
2answers
668 views

2002 Saturn SL2 Stalls After Warmup No Spark

My SL2 stalls (it just cuts out, no warning) shortly after warmup (this all started right after I topped off the coolant after a low coolant light came on, although I don't know if they are related). ...