Questions about finding what the problem is.

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9
votes
3answers
3k 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 ...
10
votes
1answer
89 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 ...
8
votes
3answers
686 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 ...
7
votes
4answers
36k 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
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
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. ...
6
votes
2answers
76 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
8k 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 ...
1
vote
0answers
73 views

2010 Grand Caravan smoke coming from the hood [closed]

I have a 2010 Grand Caravan, I noticed smoke coming out of the hood so I brought it to a dealer to get it fixed. They said it's the intake or they change the gasket, after they fixed it I drove my car ...
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 ...
6
votes
3answers
5k 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 '...
3
votes
1answer
400 views

Rear wheel wobble

I recently took my '12 Yamaha R6 completely apart when I repainted it. When I put it back together I didn't realize but I'd forgotten a washer on the swingarm axle which was causing some movement of ...
1
vote
2answers
531 views

96 Toyota Camry won't stay started [closed]

My 96 Camry starts first time every time then stalls after 10-20 seconds? Last year it ran fine but rarely would stall @ running speed. I had to set for 2-3min before it would start then it ran fine....
2
votes
1answer
62 views

Car would start roughly and then coast with cyclic acceleration (foot not on peddle) [closed]

For a car I had a few years ago ('96 Cavalier) I ran into an issue where I would turn the key, and the car would shake while starting. After it started I could feel the engine rev in a cyclic pattern (...
5
votes
4answers
6k 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 ...
2
votes
1answer
75 views

Snow Blower Break In Smell

I just started my new snowblower today to try to break it in. Within maybe a minute it started emitting a "burning metal" smell. I stopped it and there was some smoke coming out of the air filter. ...
1
vote
2answers
490 views

As a consumer, can you buy the “OEM service manual” for your car direct from the manufacturer?

I recently found out you can buy a repair manual for your specific car (in this case Haynes and the repair manual is specific your make/model but spans multiple years). When I went to my car's Haynes ...
2
votes
1answer
61 views

Do car manufacturers provide specific make/model/year information for each diagnostic-trouble-code?

Recently my car's check-engine light came on, I used a car OBDII port code reader to get the diagnostic-trouble-code (DTC) and then I googled what the DTC meant. I noticed that lots of the websites ...
1
vote
2answers
95 views

Does the checkengine light clear itself on it's own or require manual clearning?

I was discussing the behavior a car's check-engine light. When a check-engine light comes on, can the check-engine light turn off on it's own or does the check-engine light always require manually ...
4
votes
1answer
343 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?
2
votes
1answer
165 views

How can I listen for a tire noise without driving?

When driving I can sometimes hear a metal noise coming from the tire. It can be intermittent or continuous, like a brake part or a bad bearing. It doesn't sound like road noise or something stuck in ...
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 ...
1
vote
1answer
501 views

2008 Chevrolet Impala. Clicking noise behind the glove box - I believe it has something to do with a diverter valve in heating and cooling system?

There is a clicking noise behind the glove box. I believe there should be a sensor or something to stop the motor for the divertor valve. It trys to keep shifting the valve and it clicks when it ...
2
votes
1answer
37 views

I have a 1999 chevy blazer back wheel getting hot

The back wheel on the passenger side of the blazer is getting very hot, does not make any noise. The brake rotor the hub and the outside of the wheel will be hot after about 3 miles.
3
votes
0answers
119 views

toyota altezza cutting and maintenance [closed]

My toyota altezza is cutting off randomly while driving. I have not been able to purposely reproduce the problem, which makes diagnosis difficult. I am looking for any advice in diagnostics, or parts ...
3
votes
1answer
66 views

Fluctuating amp meter on 1948 automobile

On an old auto 6 volt (generator/regulator) system, what causes the ammeter to fluctuate between zero and -35 amps? Seems acceptable at idle but fluctuates on the discharge side when driving. Will ...
2
votes
3answers
998 views

Pontiac g6 runs lean; throwing codes

My 2006 g6 v6 3.5 is showing codes p0171, p0174, p0705 and u0073 171 and 174 show that the engine is running lean. Is this a serious issue? 0705 shows the trans range sensor a circuit 0073 says the ...
3
votes
1answer
195 views

Honda Accord 1997 - Steam coming from small part of radiator, leaking coolant

After working fine all day, this afternoon I noticed my engine had heated up so hot the needle was above the red. I pulled over and there was steam coming from a small space on the radiator and it ...
2
votes
1answer
104 views

Oldsmobile Stalling at Stop

My 1999 Oldsmobile Alero has been stalling when I come to stop. This happens when I'm driving at speeds of at least 45mph and coming to a quick stop, for instance, when coming off a ramp from an ...
1
vote
1answer
347 views

Toyota Camry 2000: Odd Coughing when starts

Recently, I notice that my car begins coughing couple minutes after it starts. It have happened since Jan, 2012. First, I thought it might be due to Winter since it is cold weather. However, it ...
2
votes
3answers
235 views

Ford Focus steering oscillation at low speeds

Yesterday I bumped my left wheel on a pavement, due to an understeering after accelerating (my bad). I smashed it quite good and I was certain the alignment was off, so I did some tests. No tire ...
1
vote
1answer
509 views

PT Cruiser will not start

The battery is fully charged. The lights come on and there isn't a clicking noise. I had the ignition switch replaced and it still will not start
3
votes
1answer
96 views

Truck won't start

My truck turns over for a second , maybe two and then stops cranking. It will do it over and over. A few days ago my ECM touched a hot battery terminal and that's when it started acting up. Does ...
2
votes
1answer
42 views

'95 Honda Accord random/sudden electrical failures

I noticed a few things not working, one at a time, as I tried to use them. One, the rear defroster switch on the dassh quit. Two, the PULL feature on the wiper stick on the column for the window ...
3
votes
1answer
151 views

turn signal blinks wrong direction

I have a 2009 Jetta SportWagen TDI (Mk5). When I turn on my right turn signal, usually the left turn signal turns on instead. I'm pretty sure it is a problem in the lever arm. I can consciously ...
1
vote
3answers
200 views

Fixing side mirror on my Buick

I have a 2005 Buick Lesabre, and I managed to break my side mirror off from its enclosure. In the images, you can see there are 3 sockets on the mirror - 1 large and 2 small. I broke the large one one ...
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
467 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
4answers
23k 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 ...
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'...
1
vote
0answers
218 views

Oil in the cooling system on S10 V-6 4.3 [closed]

2000 Chevy S10 w/4.3 V-6. The top radiator blew and began to overheat. I stopped and saw oil mixed with cooling fluid everywhere. I replaced the hose and thermostat, flushed the cooling system and ...
1
vote
1answer
2k views

VW Golf manual will not move forward in 1st gear but can reverse

When I stop the car, sometimes it will not move forward from 1st gear but if I reverse it will clear the issue. Then I'm able to drive forward in 1st gear again. Reverse seems to reset the car. What ...
0
votes
1answer
32 views

Temerature gauge goes to zero

Temperature gauge goes to zero when the engine is started. Very warm air comes from vents. AC nor heater are on. Outside temperature is 80. Is it safe to drive three miles to dealer?
2
votes
0answers
167 views

Car Jerks Early Morning

I have a 1994 Volvo 440 2.0i Manual. I noticed lately that when I start the car in the morning sometimes the engine runs normally but the moment I engage the gear to move, the car begins to jerk. ...
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
451 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.