Questions about finding what the problem is.

learn more… | top users | synonyms

3
votes
1answer
21 views

1996 Mercury Sable overheating while idling

My car is overheating while idling at light. I have been driving it without a thermostat for about 6 months. I have had the water pump replaced and the reservoir. I have also replaced the reservoir ...
4
votes
1answer
21 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 ...
2
votes
0answers
23 views

2002 Pontiac Sunfire

I hope someone can give me some insight on what is going on with my car. 2002 Pontiac Sunfire two door. Over time I have heard a very very faint ticking sound which never really concerned me car ran ...
8
votes
1answer
155 views

R32 Skyline GT-R low power

EDIT: Added info from comments to bottom of question. My friend recently imported a right-hand drive 1990 Nissan Skyline GT-R (R32) with the RB26TT motor into the states. It's beautiful, and I'm ...
1
vote
0answers
21 views

2003 Mercury Sable - lack of power and hesitation when accelerating

2003 Mercury Sable When accelerating from stop sign, red light, attempting to get on the highway the car has no power when applying pressure to the gas pedal. Struggling to get past 20-25 mph. Once ...
1
vote
1answer
24 views

How do I reset my display on the 2014 Sonata?

I have a 2014 Sonata and the display switched off. I am unable to use the rearview camera, the radio and the bluetooth connection. I had called the dealer who asked me to reset the display using a ...
4
votes
1answer
24 views

Low beams don't work but the high beams work in a 2002 Toyota Tacoma

I have a 2002 Toyota Tacoma Pre-Runner where my low beams don't work but my high beams do work. I've replaced the headlight bulbs and relay switch, and still the low beams don't work. Any ...
1
vote
2answers
467 views

Brake pedal bottoms out [closed]

I have a 2004 Chevrolet Suburban. I changed the brake calipers because they were leaking. I think the brake system is working in the front but not in the back. Does anybody have a way to troubleshoot ...
4
votes
0answers
37 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 ...
2
votes
0answers
45 views

Tmec 50QT-2 scooter wont start

I have a Tmech 50QT-2 scooter (Chinese type). The scooter revs when using the electronic start button and or the kick start but it will not actually start. just bought a new battery for it and the ...
5
votes
1answer
68 views

Motorcycle dumping coolant from tailpipe

I'm in the process of getting my 1982 Honda Magna back in running condition. I've cleaned out the carb and put in a new battery. It now runs, but dumps a TON of coolant out the tailpipe. Almost a ...
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 ...
3
votes
1answer
37 views

My 2005 Honda Accord with OBD codes: 0507 and 0011. Howto Troubleshoot

The check engine light came on very recently with two error codes being thrown. From this source, the following will cause 0507 P0507 HONDA - Idle Control System RPM Higher Than Expected A vacuum ...
3
votes
2answers
38 views

1998 Ford Explorer loss of power on take off

Can bad gas or clogged air filter cause loss of power on take off? The car was running fine then I fueled up and checked air filter immediately after it lost power.
1
vote
1answer
32 views

My car is sputtering

I have a 2004 Saab 9-3. Changed the coils less than a year ago. My car is sputtering when idling and when driving. Started using premium gas at Chevron---thought it was the gasoline. Mileage is 11600. ...
1
vote
1answer
31 views

Car interior rattles on idle

My carb Citro├źn BX interior rattles on idle. This mostly happens before the engine warms up, as soon as I apply the smallest amount of throttle this disappears, which leads me to apply throttle when ...
6
votes
1answer
34 views

john deere sx75

My SX75 was moving when it stopped. It does not move forward or backwards. The clutch pedal feels fine. If i put it in gear with the tractor off it cannot be pushed forward or backwards (trans engaged)...
7
votes
2answers
45 views

MAP sensor covered with gasoline

I have a 2007 Hyundai Accent SE with a 1.6 liter engine in it. It was stalling often so I hooked up a code reader and it said the MAP sensor was bad. I tried to check it to see if it might just be ...
3
votes
2answers
45 views

Renault Clio 1.2 2003 all the car does is clicks - Starting Issue

It cannot be jump started and the battery is ok. Can you help? I have a Renault Clio 2003 1.2 I have checked the battery, it's is ok. There is a clicking sound coming from the fuse box I think it is ...
7
votes
1answer
72 views

What could cause high RPMs but no power?

I have a 2006 ford fusion and lately it works fine if I lightly press on the gas. If I press on the gas with full force though it will rev up the RPM's but there will be no power and my car won't ...
9
votes
1answer
52 views

IAC valve cycling eratically

I have a 2004 Freestar with 240000 kilometers on it. I have had problem with the engine surging at about 1100 rpm or high idle. No check engine code is logged, I put it on a Ford computer and there ...
5
votes
2answers
67 views

Engine sputters when turning left corner

In my 1986 Ford F-150 (carbureted) when I go left around a corner, the engine sputters. Feels very similar to running out of gas, but it picks back up once I stop turning. Only happens in a sharp ...
9
votes
1answer
58 views

Why is one of my interior components electrified?

I have a 2007 Nissan 350Z and there is a trim bar inside of my car that feels electrified. I even touched my tongue to it (please, I know) and I can feel electricity. It's similar to if you have ...
8
votes
1answer
77 views

Ford Econoline Van AC Failing

If the vents start putting out hot air when accelerating or driving up hills but are ice cold when idling, is that a sign of a failing blower pump or leak? I am dealing with a Ford Econoline E350. ...
7
votes
1answer
85 views

Time Delay Relay and Flyback Diode

I want to control an auxiliary fan on my 1969 Mercedes which is currently wired to run until the temperature drops below the sensor level. Sometimes this takes quite a long time even after the car has ...
4
votes
1answer
53 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 ...
5
votes
1answer
72 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 ...
1
vote
0answers
64 views

Auto transmission just stopped working while I was driving

While I was driving, my cars automatic transmission suddenly would not work in drive or reverse but the motor was still running. Does someone know what the problem could be?
3
votes
1answer
46 views

Troubleshooting Trailer Lights

I have checked the connection on the truck and all are working fine but when the trailer is hooked up I have turn signals and running lights but no brake lights and with the running lights on I press ...
7
votes
1answer
90 views

Measuring A/C refrigerant I got 96 PSI, is 96 PSI bad?

I bought a car refrigerant gauge online because my A/C is not cooling the air at all and the first suggestion was to check your refrigerant to see if it is empty or low. I found out where my car's "...
4
votes
2answers
69 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 ...
5
votes
2answers
48 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 ...
3
votes
0answers
18 views

Vaxhall Astra H 1.9 150PS it stops in the middle of the road by pressing the gas pedal

I have an Astra H 1.9 150ps. During driving when I press the gas pedal to increase the speed of vehicle it stops in the middle of the road, my auto shuts down. This problem is present just when I ...
14
votes
2answers
427 views

What is a leak down tester and what can I do with it?

Background There are quite a few head gasket related questions on the site. Coolant or water in the oil, oil in the coolant or water in a radiator, etc. I'm thinking that some instruction on howto ...
13
votes
2answers
188 views

How do I troubleshoot the source of oil in my coolant?

I would like to know the step by step troubleshooting procedure for discovering the source of oil appearing in coolant. There are several different points of failure that can be the root cause for ...
4
votes
2answers
178 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, ...
3
votes
3answers
262 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
1answer
40 views

Driving simulation while on front jackstands

I have a 2007 Tacoma, 4WD. I wanted to perform a driving simulation but with the truck being still in order to troubleshoot a rattling sound I can't reproduce when the engine is idling but the ...
0
votes
1answer
37 views

98 Olds Intrigue headlights turn off when driving turn back on by using switch

When I'm driving in cold weather, the headlights (which turn on automatically) go out. I can turn them on with the manual switch. Which relay or fuse does controls this? Does anyone have a number or ...
2
votes
1answer
45 views

Squealing noise and battery gage drops

I have a 1989 Chevy z71 pickup truck. The engine makes a squealing noise and I noticed the battery gage drops down as well. Replaced the idler pulley already. Battery is new also. The squealing ...
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 ...
11
votes
3answers
177 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 ...
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 ...
3
votes
0answers
53 views

2014 Dodge RAM 1500 Hemi 5.7 Liter 4x4 - Loud Squeal

Last night I was just out for a drive down the highway and I went to turn off that highway onto another and I decided I haven't done a burnout in a while so I gave it a shot and shortly after that ...
4
votes
1answer
22 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?...
3
votes
1answer
57 views

Late 90 Honda Civic cooling system hose broke off ,is it safe to drive?

One of the cooling system hoses, Freon I believe, broke off. I capped both ends. Is it safe to drive? Also, there's a noise near the front driver side tire, like a rubbing sound. The car decelerates ...
7
votes
2answers
308 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 ...
1
vote
1answer
35 views

One time snow removal [closed]

I rent in an urban area, so I don't own a shovel - weather almost never requires! But the East Coast got hit with an unusual storm, and my car is snowed in. Is there a way to dig out my car short ...
5
votes
2answers
73 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 ...
4
votes
1answer
40 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 ...