Questions about finding what the problem is.

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3
votes
0answers
19 views

Motorcycle dumping gas 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 gas out the tailpipe. Almost a constant ...
5
votes
2answers
59 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
33 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 ...
7
votes
1answer
32 views

IAC valve cycling eratically

I have a 2004 Freestar with 240000 kilometers on it have had problem with engine surging at about 1100 rpm or high idle. No check engine code put it on ford computer no results cleaned MAFS and IAC ...
11
votes
5answers
10k 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 ...
3
votes
2answers
20 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.
3
votes
1answer
21 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 ...
1
vote
1answer
25 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
28 views

Car interior rattles on idle

My carb Citroën 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
22 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 ...
7
votes
2answers
34 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 ...
9
votes
1answer
54 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 ...
-1
votes
1answer
201 views

2011 Chevy Traverse alternator problems

I have a 2011 Chevy traverse. I Went to O'rielly's and had an alternator tested. They said voltage regulator failure. Had the alternator changed out. Still showing at a different O'rielly's ...
3
votes
2answers
19 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 ...
2
votes
2answers
4k views

2009 Chevy Malibu 2.4 off and on temp Gauge on C, No AC and fan comes on right away

My Chevy Malibu (2009 2.4) is acting a tad whacky! It either acts totally normal, or all below occurs at the same time. . . 1) coolant fan(s) come on when I start car 2) temp gauge stays on C (dead) ...
7
votes
1answer
55 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 ...
6
votes
2answers
75k 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 ...
8
votes
2answers
116 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 ...
5
votes
2answers
52 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 ...
8
votes
1answer
42 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. ...
2
votes
1answer
60 views

1991 BMW E30 - knocking when put into 1st

I knew I had a minor vacuum leak, but it got worse all of sudden while at a stoplight. In trying to get through to the next block, the engine started to knock. (My guess is preignition thanks to the ...
7
votes
1answer
74 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 ...
3
votes
1answer
479 views

Ducati ST4s not starting

I ride a 2002 ST4s that was bought new in 2008 and has now travelled 8800km. I have fitted a power commander and carbon mufflers and done some minor alterations to the air box. Spent some time setting ...
4
votes
1answer
39 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
55 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
2answers
41 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 ...
1
vote
0answers
24 views

Mitsubishi Verada 2006. 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
3answers
184 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
32 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 ...
5
votes
4answers
2k 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 ...
7
votes
1answer
66 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
51 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 ...
13
votes
2answers
373 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
165 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 ...
3
votes
0answers
17 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 ...
4
votes
2answers
136 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
0answers
107 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 ...
3
votes
1answer
36 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
31 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
41 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
37 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
5answers
122k 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 ...
4
votes
1answer
38 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 ...
10
votes
3answers
144 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 ...
7
votes
2answers
265 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 ...
3
votes
1answer
2k views

2003 Suzuki Katana 600 won't start

My bike doesn't want to turn over. It ran just fine last week, but something has changed. I have enough power with a new battery and I can hear the motorcycle trying to turn over. The exhaust pipe ...
5
votes
1answer
14 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
43 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 ...
3
votes
1answer
55 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 ...
4
votes
1answer
21 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 ...