Questions about finding what the problem is.

learn more… | top users | synonyms

5
votes
1answer
4k 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 ...
2
votes
2answers
452 views

What is the best way to determine if my hydraulic motor mounts are bad?

I am experiencing delayed forward movement at take off. I apply the accelerator nothing happens until it jolts forward. When I stop it lunges forward, which leads me to believe it is the motor mounts. ...
1
vote
2answers
6k views

Misfire the next morning if car runs only for 15 seconds

So I had this gremlin in my wife's BMW 330i for at least 4 years. The car runs great but once in a while you would start it in the morning and the engine would sound rough with some shaking. After few ...
0
votes
0answers
15 views

95 Honda civic reset timing [duplicate]

Recently did a head gasket change and once it was done found out the engine didn't want to start anymore. Diagnosed it a bit, and found out the timing was off about a tooth on the cam gear. I was told ...
3
votes
2answers
1k views

Do I have a bad ignition coil? Measurements inside

I'm troubleshooting what I believe is an engine misfire on my LS1 Chevy and want to rule out if I have bad ignition coils. In order to do this I took out the ignition coils and measured the ...
0
votes
1answer
70 views

weather causing power loss

Why would my engine lose power when the weather temperature gets warmer. While driving the vehicle will not have as much power when it gets warm or hot.
2
votes
3answers
907 views

Would leaving a battery booster with only one terminal connected harm it or the battery?

I have a 2003 Mitsubishi Diamante, and I keep two battery boosters in the car "just in case". My son recently bought a car that had problems starting. He has used both my boosters on his car and ...
5
votes
1answer
1k 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?
3
votes
1answer
973 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 ...
4
votes
1answer
195 views

Can I use Fix-a-Flat after it froze solid?

I have a can of fix-a-flat in my car, and when the temperature dropped last week, the stuff froze solid. I didn't notice any damage to the can. Is it compromised? If that's a possibility, then I will ...
2
votes
3answers
182 views

car not starting after few km

In the morning my car starts in a single quick shot. After traveling for few KMs if I switch off car and try to start it, it does not come up. I can hear a small tick sound every time. Some times I ...
4
votes
1answer
92 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
2answers
912 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). ...
2
votes
1answer
112 views

2005 Ford Explorer XLS Sport, Random Hesitations and Die Offs

I have a 2005 Ford Explorer XLS Sport edition with just under 80,000 miles on it. It does have a warranty on it via my financing company however it's a bit out of pocket for it so I'm hoping that with ...
1
vote
2answers
3k views

What are the reasons to mix oil & coolant?

Frontal impact vehicle is there fan motor touches the oil cooler,oil cooler slight impact is there, in coolant tank oil and coolant mixed, what are the reasons to mix the coolant and oil in this ...
2
votes
0answers
30 views

2001 Pontiac Grand Am - Oil in coolant [duplicate]

I just bought my car from a owner I noticed there was oil or what looks like oil in the coolant there is no coolant in oil and car doesn't over heat. It's a 2001 Pontiac Grand Am with 230,000 miles ...
3
votes
0answers
3k views

How to diagnose a Cruise Control system (Subaru Forester 2002)

The Cruise Control on my 2002 Forester S stopped working recently. For some time I had problems engaging the CC altogether, requiring multiple clicks on the activation push-button. Then it stopped ...
5
votes
1answer
8k 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 ...
2
votes
1answer
836 views

Engine dies upon pressing gas pedal, idles fine

I'm going to be buying a 1990 Ford Festiva with a manual transmission this weekend. I found it for a 'bargain price' for a understandable reason; it's a beater. The owner said he did the timing belt....
3
votes
1answer
2k views

2008 Pontiac Grand Prix Fails to Start and Electronics Go Awry

My mother-in-law drove over this morning to pick up my wife, and when they tried to leave the car wouldn't start. Not only that; the horn honked, the wipers started, the trunk popped open, and the ...
2
votes
1answer
501 views

Ford Figo Door light on when all doors are closed

I have a Ford Figo 2012, the last few weeks the door light on the dashboard has been on even through, all the doors are closed. (The light only comes on when I start my engine, as expected with Figo's)...
3
votes
2answers
4k views

Trunk lid release

I own a 2005 Ford Focus 4-door sedan. The button on the FOB and button on the dashboard to open the trunk no longer works. I can hear a click inside the car when I push the button. It started about 6 ...
3
votes
2answers
3k views

How can I test my EGR?

My check engine light has come on a couple of times, and each time the code was P0300 Random Misfire detected. According to this site, one cause could be a bad EGR. Another symptom of a bad EGR is ...
1
vote
2answers
1k views

Likelihood of rear crankshaft seal failure

Potentially buying a 99' Nissan Maxima from some friends. It has 160k miles on it and they are looking to get the "good" private party value from KBB for the car. The car is a manual, if that makes a ...
2
votes
2answers
304 views

smoking coming from 1999 Nissan Quest

I just bought a 1999 Nissan Quest with plenty of miles (over 217k). We didn't notice anything on the long drive home, but since have noticed that after a few minutes driving, it has smoke coming out ...
3
votes
1answer
304 views

2002 saturn sl200 car dies withing 2 -3 seconds after starting

Went to start my car one morning for work and it would turn over you could hear the engine running then as soon as you heard it, it would shut off. My neighbor said it's not the fuel pump (he checked ...
3
votes
1answer
55 views

noisy free wheeling hub

Having manually locked my front hubs (they operate freely) and engaged H4 on my fj40 cruiser there is an intermittent droning from the l/front wheel at approx. 50mph. At low speeds turning a corner L ...
1
vote
2answers
310 views

Can turbochargers cause engine damage gathering dirt and other particles from the air

I have been researching turbochargers and since they use outside air and exhaust to improve engine function couldn't that harm the engine? Or do I not understand the principle? Can't particules from ...
4
votes
1answer
1k 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 ...
5
votes
1answer
2k 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 ...
4
votes
1answer
2k views

Kawasaki ZZR600 - Engine idles ok. Choke ok. Cuts out when open throttle. Possible causes?

I have a 20 year old Kawasaki ZZR600. She was running fine in December. I didn't ride her for a few weeks in January. Left the battery on maintenance trickle charge. A few weeks or so ago I fired her ...
1
vote
0answers
21 views

Volvo S40 Immobilizer Problem [duplicate]

I got the following error msgs from my Volvo S40 and the car wont start. - Immobilizer : check manual as I tried to start the car, I got : - System service required. What does this entail and what'...
2
votes
1answer
415 views

97 Honda Civic putting and stuttering after a radiator hose failed

Whenever I am giving the car gas, it starts to putt and stutter. My car was overheating. I looked under the hood and noticed one of my hoses to the radiator had been pulled from it. I put the hose ...
5
votes
1answer
639 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
3k 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 ...
1
vote
1answer
811 views

My 2000 Chevy impala won't start

At first when I tried to start it the lights came on and the check engine light came on but no start. Now I get no reaction at all. Need help
3
votes
3answers
4k views

How do you troubleshoot cruise control? (Mazda Tribute 2005)

I just bought a used 2005 Mazda Tribute. The only problem I have with the car is that the cruise control doesn't work....and I have no clue how/where to start! The cruise light on the dashboard doesn'...
1
vote
1answer
475 views

'99 Audi A4 seat belt warning sign

I've had this seat belt warning light on my dash for a few weeks now. My dealer says the wiring to my driver seat is gone and replacing it could cost close to 800 USD. Is there a better option?
4
votes
1answer
962 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 ...
2
votes
1answer
537 views

1975 Honda XL 250 has erratic idle / high idle when it's cold out

As stated, I have a 1975 Honda XL 250. It has a 1 cylinder 250cc ~24hp carbureted engine. The problem I'm running into is an inconsistent idle. In general it seems to have a low idle (what I want it ...
1
vote
1answer
125 views

2010 Sebring maintains speed for about 5 seconds after depressing accelerator pedal

My car maintains speed for 4 or 5 seconds when releasing gas pedal, then the speed starts dropping slowly. When I’m getting close to a stop light, my car wants to keep going same speed, so I need to ...
1
vote
1answer
307 views

95 silerado 2500 diesel died and cranks but won't turn over

this 95 silverado 2500 diesel was going down the road and died. Now it will only crank but still won't turn over and now the glow plug light won't light up either
3
votes
2answers
2k views

2002 Renault Clio V6 won't start - just turns over

So I'm round my old dears and park on her drive. She needs to move my car (a 2002 Renault Clio V6 3.0) off the drive to get her car out. She gets in, reverses it and stalls it. Starts up again and she ...
4
votes
1answer
548 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 ...
2
votes
2answers
6k views

Car overheating problem

I have a 2002 Ford Focus. Whenever the car is idling the heat gauge goes up at an alarming rate and goes the farthest into the red that it can if left alone. Now if I rev the engine a little the ...
3
votes
1answer
1k views

Diagnostic: Autodata newest version

I have seen people using autodata for general information about cars, like how to fix a timing belt for particular types of cars. But the version that was being used only had up to cars made in 2009 ...
3
votes
1answer
327 views

Steering Wheel Shake New Car Performance Tires

I bought a 2012 Camaro 2SS in May. When I took the car for a test drive, the steering wheel had a tight shake for the first couple of miles. When I told the salesperson, he suggested trying another ...
5
votes
2answers
6k 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 ...
2
votes
1answer
221 views

ODB scanner with manufacturers error codes support

What is the story with ODB scanners like ELM237 - do they read manufacturer's error codes? Previously, I had a Volvo S60 04 and cheap scanners could read only general error codes. This was not useful ...