Questions about finding what the problem is.

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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 ...
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 ...
5
votes
2answers
53 views

PCM Bench Testing

1997 Ford F350, 7.3, 2 wheel drive. PCM part number F6TF-12A650-AYG. OK the question is how to diagnose the PCM without codes due to the battery being dead? I have it out of the truck and was hoping ...
5
votes
1answer
41 views

Brake malfunction indicator turns on, all gauges die off, but engine and brakes still work

The car is a Volvo S80, produced in 1998 for the European market. Under some non-reproducible condition (it is in fact so non-reproducible that it appears random), emergency lights in the dashboard ...
5
votes
1answer
15 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
3answers
33 views

Troubleshooting low boost pressure

A Tata with a Quadrajet BS IV (90 ps) diesel engine was brought in for low power. When starting the engine in a no load condition the turbo boost pressure is 950 mBar. When the engine accelerates the ...
5
votes
1answer
81 views

Rod knock in my engine?

Kindly assist. My 1GFE engine had a rod knock sound and I replaced all the bearings, oil filter, cleaned the sump & strainer and tolled it with brand new fully synthetic oil. The engine ran for ...
5
votes
1answer
62 views

306 Peugeot Vivante 1.9 diesel won't start – I have changed glow plugs and relay

306 Vivante turbo diesel won't start. It has new glow plugs and relay, exhaust is leaking badly in first section and the turbo is on the way out, but turns good thought it would at least fire up. ...
5
votes
1answer
56 views

Toyota Raum Radio memory loss

Can you help me Unlock Toyota Raum 2003 Radio to its normal state? My battery ran flat, resetting my radio. I am getting some method on the internet about pressing the tuning Up and 1 buttons, but ...
5
votes
1answer
59 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
469 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 couldn'...
5
votes
1answer
3k 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
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
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
2answers
38 views

04 Mercury Montery stalling while driving

While driving on the highway my van stalled. Once on the side of the road, I tried to restart and no joy. All indicators and lights came on but when I turned the key nothing happened. I jiggled he ...
5
votes
1answer
41 views

2005 Hyundai Santa Fe Won't Start

I have an '05 Santa Fe with the 2.7L engine that won't start. I bought it this way. Was told that car died and was towed home. Found that alternator was bad. While they were replacing alternator they ...
5
votes
1answer
33 views

Starting issue with 2007 F350 6.0 diesel

Intermittently, when it's cold out and I'm starting starting the vehicle and then shutting it off the vehicle will start to crank while the key is in the off position. With the vehicle in the off ...
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 ...
5
votes
0answers
14 views

04 GMC Savanna G2500 4.8 V8 No Power

First time I looked at this the A/C compressor clutch wasn't engaging. Long story short: the high side pressure switch on the back of the compressor was unplugged. Noted that the engine was shaking (...
5
votes
1answer
42 views

Diesel Yaris doesn't start very well after an alternator change?

I have recently changed the alternator after it died in my diesel Yaris. I have done about 150 miles with the new alternator however it still doesn't start very well. It now takes 1 long or sometimes ...
5
votes
2answers
59 views

Diesel engine won't start when hot

My Ford forgo 2012 diesel refuses to start after driving long distances, but it usually starts well when it is cold. What could be the problem?
5
votes
0answers
120 views

What causes an engine idle to increase briefly?

I have an 82 Honda 450 Nighthawk motorcycle that I'm rebuilding and I need to tune/balance the carbs. I have them bench-balanced and reset the idle screw on both. Now it runs a lot better, but every ...
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
88 views

When you replace a car battery, would anything in the A/C system be touched?

Last year my A/C was fixed. Then winter came. Then I had to buy a new car battery and so I went to a mechanic[1] who I paid to replace the battery with a new one. My question is: When you replace a ...
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 ...
4
votes
1answer
37 views

Loud squealing sound, only while driving (2002 Toyota 4Runner)

Wondering if someone can help me eliminate potential issues. Squealing, somewhat screechy, somewhat chirpy noise. No sound at all while parked, even reving up to 4,000 RPM. Sound starts while moving ...
4
votes
1answer
40 views

Horrific Squealing on Start - 2002 Pathfinder

When the engine is cold, horrific squealing comes out from the engine compartment. Horrific squealing remains when the transmission is in park and reverse position. It disappears after driving forward ...
4
votes
2answers
227 views

How much current should my car draw with the ignition on?

With the ignition fully off, my current draw is pretty much zero, but with the ignition on (to be clear - engine not spinning, starter motor not engaged) it increases to 2.5 amps (at about 11.5v, ...
4
votes
2answers
122 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
2answers
908 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). ...
4
votes
1answer
547 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
3k 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
46 views

Loud whining sound after revving. Alternator, maybe (but why)?

I have a 2001 Honda Prelude SH (180k miles), I am trying to identify a whining sound coming from the right side under the hood. The sound consistently starts after I tap the throttle, lasts at a ...
4
votes
2answers
44 views

Boiling Antifreeze

I have a 1998 Pontiac Grand Prix and I have noticed that when I drive it for about 15 to 20 minutes and then park it and turn it off my antifreeze is bubbling. My thermostat does not say it is ...
4
votes
1answer
24 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 switch?...
4
votes
1answer
348 views

What does paint failure look like?

My car's paint looks bad and I'd like to repair it, but I'm not sure what it is called. I know there are different types of paint failure, what do they look like and what are they called?
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 ...
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 ...
4
votes
1answer
58 views

2004 Hyundai Sonata GLS won't start

My 2004 Hyundai Sonata will not start. This has happened a few times now but previously the car would crank, run for a short time and then cut off. We have had the fuel pump replaced as well as the ...
4
votes
1answer
43 views

Ticking sound when stepping on Brake [closed]

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
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
1answer
1k views

1997 Geo Metro dies after driving for a short time. What next in diagnosing culprit

Back Story: I recently took my Geo Metro on a road trip. 2700 miles of road trip. The first 800 mile nothing happened. Then going up a hill it died, dropped from 75 mph to 55 mph then the engine ...
4
votes
1answer
33 views

Identifying sound from pulleys to replace appropriate part - 2006 Altima 3.5

By watching the video I've taken, can you tell what component is causing this grinding noise? Someone suggested it might be the harmonic stabilizer. Known issues Discovered low power steering ...
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 ...
4
votes
0answers
32 views

Diesel car struggles to start when cold

Recently had the timing belt, water pump, all valves and rocker arms, fuel filter, oil filter, air filter changed on my 2006 Audi A3 8P 2.0 TDI 140. I've had it back for two days now and it struggles ...
4
votes
0answers
57 views

Citroen C3 - Passenger Doors Fail to Open

I have a Citroen C3 and all passenger doors will not open. I have reset the immobolizer, pressed the lock buttons inside the car including child locks button, replaced the driver door central locking ...
4
votes
2answers
2k views

oil sludge in my 1998 Honda Civic LX radiator

My 1998 Honda Civic LX appears to have oil sludge in radiator overflow tank. Mechanic says I need to replace engine or buy a new car. What would cause this to happen. Have been very faithful in car'...
3
votes
3answers
318 views

2004 powerstroke white smoke now no start

I have been trying to fix my truck for a while so long story. I need help bought a 2004 power stroke with 100k miles. It ran well for 15k miles then started having low power for first few minutes to ...
3
votes
3answers
30 views

2004 Mazda 3 runs out of gas while gauge still show fuel

My car first ran out of gas at a quarter tank of gas. A few weeks later it ran out at half a tank. Then it started dieing while driving down the road and now it won't start at all. It will turn over ...