Questions tagged [troubleshooting]

for questions about determining the nature of a problem and finding possible solutions.

138 questions with no upvoted or accepted answers
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6
votes
2answers
295 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 ...
5
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0answers
2k 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 ...
5
votes
1answer
142 views

Ford Expedition knocking and repeated spark plug wire failures

Is this the underlying problem or a symptom of something else? I have a 1999 Ford Expedition that has a knocking and pinging problem. Two different mechanics have narrowed it down to the ignition ...
5
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0answers
1k views

Car Stalls When Coming To Stop

A Little Information About Car: Make: Chevrolet Model: Daewoo Joy (local name in Pakistan), Matiz (name in other markets) 1.0 ltr Year: 2008 KM: 112500 Transmission: Manual I have a strange, but ...
4
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0answers
34 views

1998 Maxima keeps revving

When we hit about 25 MPH or more the car revs then stops, revs then stops, revs then stops. ND it only does this when we hit the gas not while at idle. Just replaced the air flow sensor and 2 others ...
4
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0answers
61 views

2011 Nissan Titan runs poorly when outside temperature goes up

My thermostat gasket failed and the engine overheated to the point of knocking and dying. I replaced the thermostat and it ran normally, however when the outside temperature goes over 90º F it starts ...
4
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0answers
2k views

Electrical issue Ford Flex

Walked by my parked 2009 Flex in driveway. The radio was playing!! I unlocked it, lo and behold, all the dashboard lights are flickering on and off, I can move the shifter, the bell is dinging like ...
4
votes
0answers
589 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
1answer
103 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 ...
3
votes
2answers
1k views

Truck won't start when sitting for 8+ hours in cold, but will with gas pedal

I've had this problem on my truck (1996 Chevy S10) for about two years and it's steadily gotten worse. Whenever I leave the car sitting for over eight hours in a "cold" environment (the truck is ...
3
votes
0answers
4k views

Intermittent battery light on 2005 Accord

I have a 2005 Accord LX 2.4L w/ 101k miles and a few weeks ago, the battery light came on. The battery was changed last year. After checking everything, I concluded that it was a bad alternator, so I ...
3
votes
2answers
473 views

Electrical issues with Mazda3 '07

Recently I started experiencing some weird electrical issues with my car: FM stations settings get lost My remote key gets unpaired The engine often shuts down at intersections (when stopping) as if ...
3
votes
2answers
444 views

2008 Sebring Convertible fuel tank won't take fuel

My wife's car is a 2008 Chrysler Sebring convertible. The problem is that it won't accept more than 3/4 tank of fuel. I took it to a local mechanic and was told it had to have a new fuel tank at a ...
3
votes
0answers
78 views

4 cycle weed eater problem

Hi I am based in the UK and have a ryobi rbc430sbs which has not been used through winter. I have new fuel and it will only start on full choke. Once running I can move choke to mid position then run ...
3
votes
0answers
37 views

2002 Chevrolet headlights problem

I installed HID headlights a while back, but I'm not sure if it's part of the problem. The low beams in my 2002 Chevrolet do not turn on correctly. Here's what's happening... On the Low Beam setting: ...
3
votes
0answers
86 views

Window & door lock not working on Golf Extra

The window & door locks are not working on my Golf Extra Drivers side rear door. I suspect a broken common, possibly earth ground. Any pointers regarding troubleshooting my issue would be ...
3
votes
0answers
74 views

Ignition causing problems with Electrics?? Ford Focus 06

Really hoping someone can help as taken to a mechanics and they keep charging me $$ although they cant find the fault! My computer system in 2006 Ford Focus doesn't work sometimes ( usually at the ...
3
votes
0answers
623 views

Citroen Xsara - Worked this morning, now won't start

I drove my Xsara early this morning, got back in 2-3 hours later and NOTHING!! Dash lights, headlights, etc. are fine – so battery has power. What could be the issue to happen so suddenly and are ...
3
votes
0answers
133 views

97 Ford Ranger occasionally won't start

It just recently began not starting every once in a while. Not a click, nothing. If I turn the key backwards the radio comes on and I can turn the lights on. Then after a few tries it starts up and ...
3
votes
0answers
458 views

2004 Isuzu Ascender Sputtering and Possibly Misfiring

Needed to get a smog check so I went to Auto Zone to find out why the check engine light was on. The code indicated that the MAP sensor needed to be replaced. So I replaced it and reset the computer ...
3
votes
0answers
38 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 ...
3
votes
0answers
10k 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 ...
2
votes
0answers
47 views

Remote Start not starting the car

This is a long shot but hopefully i can get some help from you guys!! Context: Took my car to the dealership for a safety recall service and now the remote starter wont work properly. I brought the ...
2
votes
0answers
55 views

Brake clicking sound in Infiniti Q50S

I have a 2016 Infiniti Q50S and since almost a year upon braking I hear and feel something clicking inside the brakes. The Infiniti guys have attempted to diagnose the problem but have never been ...
2
votes
0answers
32 views

Sputtering when eccelerating from a stop

I have 98 Volvo V70 awd I have been experiencing sputtering, when I accelerate from a stop, and sometimes as I slow down. I changed the Mass Flow sensor, added fuel injector cleaner, and car seem to ...
2
votes
0answers
52 views

2000 Oldsmobile Alero stalls at decreased speed

I have a 2000 Oldsmobile Alero that has been stalling and sometimes dying at decreased speeds or when coming to a stop. I can be coming off a ramp on the interstate, coming up to a stop sign, or ...
2
votes
0answers
25 views

My 2008 Honda Accord, dies once parked. (3 times)

My girlfriends vehicle has recently been giving me trouble. I regularly maintenance the vehicle. We've had it for 4 years. Been very great. Three times after we/she drives her car, nothing seemingly ...
2
votes
0answers
63 views

Clunk sounds in rear when A/C engaged - 2006 Subaru Impreza

First off, I don't have much experience with cars. I've googled the issue and have come up empty. I've got a 2006 Subaru Impreza Wagon with 170,000 miles. In the last month, a clunk has been ...
2
votes
1answer
658 views

John Deere x738 mower stopped working suddenly

My JD X738 only has 33 hours on it. I was mowing the other day just fine & suddenly the mower part quit & the steering became difficult and stiff. I drove it into the garage to check it out. ...
2
votes
0answers
133 views

Impala rumbles upon cylinder deactivation

My 2008 Chevy Impala makes a rumble sound or vibration when going from 6-cylinder mode to 3-cylinder mode, with or without slight acceleration. It sounds fine when it goes back into 6-cylinder mode. ...
2
votes
0answers
104 views

Comer TAG 60 gokart engine. How to troubleshoot ignition system

Does anyone know the voltage expected from the stator at a the rotations per minute given by the stater motor?
2
votes
0answers
308 views

91 Jeep YJ - Intermittent Loss of Power in Gear

The other morning, I pulled out of the house in first gear just fine. Switched to 2nd successfully, started accelerating as it should, then it suddenly lost engine power - no acceleration, no revving, ...
2
votes
0answers
1k views

Hyundai Sonata EF (2002 - 2005) - P0335 CKPS Malfunction

Vehicle will not start. I have replaced the CKPS sensor with a used one, but it still brings back the code P0335. before I shell out cash for a brand new sensor. Am I on the right path? Here are my ...
2
votes
0answers
378 views

Nissan Skyline 350GT 2007 shudder on acceleration

Looking for help to troubleshoot this issue please on a 2007 350GT Skyline with the VQ35HR engine imported from Japan. The car shudders hard once after the accelerator is pressed. We don't seem to ...
2
votes
0answers
38 views

Cooling fans only work normally with cabin fans on

2003 civic EX 1.7L automatic Hello, I am trying to help my friend with a really weird cooling fan issue. The cooling fans were not coming on and while sitting in traffic the car would overheat. ...
2
votes
2answers
652 views

Airbag light blinking after ignition switch replacement

I am looking for some troubleshooting guidance on a 96 GMC Sierra C1500. I had to replace the ignition switch and now the airbag light on the dash blinks 7 times and stays on constantly. I checked ...
2
votes
0answers
907 views

KIA Rio 2015 locked on the 3d gear

This is a KIA Rio 2015 with an automatic transmission . when the lever is on the D position it shifts to the 3d gear directly ( doesn't move until I let the brakes ). using the scanner it showed two ...
2
votes
0answers
178 views

2007 Mercury Mariner - Car is shaking and whining.

Today my car starting shaking and whining very badly, but only when I'm stopped and the car is in drive. If I put it in park or neutral the vibration stops. The shaking stops as soon as I start to ...
2
votes
0answers
348 views

Replaced bad camshaft sensor on '97 Ranger, still won't start

I had an error code on my '97 Ranger that said it needed a new camshaft position sensor, but since the truck still ran fine I put off replacing it. One night I tried to start it, and it fired up for ...
2
votes
0answers
2k views

Troubleshooting Smoking Diesel (2002 VW ALH TDI)

Our 2002 TDI has started surging at idle – especially in gear after a cold start, it seems to get better as the car warms up – and smoking (mostly HB's, vile habit). This has been going on for about a ...
2
votes
0answers
115 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 ...
2
votes
0answers
247 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 ...
2
votes
0answers
1k 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?
2
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0answers
973 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. ...
2
votes
1answer
171 views

Are the cabin fuse-box relays misplaced in my Renault Kangoo?

I have a Renault Kangoo 2009. 1.6 liter petrol, automatic. The cabin blower motor has stopped working. The fuses seems ok, but a relay in the fuse-box under the "glove-box" recess could have ...
1
vote
1answer
34 views

2019 QX50 CVT: Sudden drop in MPG + change in engine noise -- no codes

I'm seeing a sudden, significant (>40%) drop in MPG from my 2019 QX50 (FWD, CVT). I do a fairly regular long drive from SF to Sacramento, and highway MPG for these trips has always been ~31-33MPG; ...
1
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0answers
24 views

Idle speed on Ford KN Laser 1999 Auto switches between 1500 and 900 RPM

Ever since I've had my 99 Ford KN Laser Auto, I've been plagued with idling issues. When I first got it, it was barely idling at about 500 RPM. I've replaced the plugs, TPS and crank sensor after it ...
1
vote
1answer
23 views

2005 Nissan Altima 4cyl 2.5l Overheating

2005 Nissan Altima 2.5l replaced leaking radiator, thermostat, hoses and clamps car is still running hot, any suggestions? Just bought the car! I'm towing it to the Nissan Dealership tomorrow for ...
1
vote
0answers
24 views

How do I diagnose heater problems on a 1997 Chevy Suburban?

I've got a 1997 Suburban and would love a complete list of items to troubleshoot a heater that doesn't work. What I've checked/done so far: blower motor is OK can switch from defrost/feet/face there'...
1
vote
0answers
33 views

How to determing between Valve knock or Rod knock?

I've got an almost completely rebuilt 2002 Ford Focus 2.0L Split Port Engine and its got a knock. I'm having a hard time figuring out if its valve knock or rod knock. To add some background, I had ...