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Car Repair Questions And Answers Lists
We are current GM dealer, ASE Certified auto mechanics offering free help and advice. Read through this main car question list of all models or choose from specific vehicle question lists on the right.
Multiple Lights On chevy Impala My car in the morning when I put the key in the ignition and turn it to start all I hear is a humming noise from the back of the car which lets me know the fuel pump is working, well it should its been replaced, all of the lights come on air works headlights work but the dash lights go off when I try to start it and it will not start. I have to try to start it several times before it will finally start. Then while driving the air bag light comes on then a few minuets later the battery light and brake light come on flash then all 3 lights go off.
Transmission Won't Move I replaced the engine on my car, now the trans is not shifting. I checked the fuses and electrical connectors.
Pontiac GTP MAP Sensor Live chat: Where is the MAP sensor located on a supercharged Pontiac Grand Prix GTP 3800 motor? I cannot seem to find it . I found pictures of regular engine location, but not the supercharged. Also,the blower speeds are not working. I replaced the motor and resistor already. What else could be wrong with my car?
Chevy Aveo Engine Light I have a check engine light on . I have a bad wheel bearing . I was wondering if that could make it come on. Its a code P0441 code. Already replaced the gas cap and the charcoal canister. Its a humming noise it gets louder the faster the car goes. What is abs light?
3800 cam Sensor Replaced Three Times Live Chat: The 1990 Buick 3800 was a car my father purchased 10 years before his death and I have repainted and restored it to like new and drive it daily. Problem is the cam sensor I have replaced 3 times. Have check the magnet on and it is in place. After first replacement it worked for a week before failing. Do you have an engine light and code? Yes but I do not remember the code number.
Pontiac Bonneville Radiator Fans On Live Chat: what would cause a low temp fan to come on with the high temp fan in a 1995 Pontiac Bonneville. Both fans come on at the same time or low first then the high? Same time at 226 degrees then they both shut off at around 200 degrees. Both fans come on when the A/C is turned on also.
GMC Jimmy ABS Light And No Brakes Live Chat: The abs warning light has been intermittently coming on in our GMC Jimmy 2000. Today the brakes completely quit working during a stop. The regular brake warning light never has/did come on. Placed vehicle in park, turned off engine, and restarted without further incident, except of the abs light continuing to light periodically. Taking the truck to have codes read, three were found. Two for the front right wheel, and on for the rear right wheel. All three pertaining to sensor failure or intermittent failure. Wouldn't there need to be something wrong besides a sensor, for the brakes to fail?
Airflow Won't Change On Chevy Lumina The heat in my 95 Lumina works but when I turn the nob to switch from defrost to the vents it doesn't switch it only blows out the defrost and on the floor a little. No matter what I turn the knob to it just comes out them places. Is it some thing to do with a vacuum line. When I turn it to air the compressor kicks but doesent blow cold air. I don't think its the knob because it makes the compressor kick on so I am confused hope you can help me.
Ford Focus Stalling Out i have some problems with my car, some time stalling, hesitating, cutting out and some few cases it would shut off, so i've checked most of the sensors till i come to the coolant temp sensor; checked the sensor and found there's no resistance on it at all (engine is cold, haven't run it for 12 hours; next i did disconnect connectors and with key on. Have made a test to the wires; pcm side, and i noticed there's no power at all (no 5 volt nor the ground are exists), then checked the wires to see if they are shorted.
2000 Regal Stalls And Start Back Up Ive been having a problem with my 2000 Buick regal supercahrged. It has been dying while i am driving and when it happens it usually starts right back up. When it dies, no lights are effected and the radio dose not cut out at all, only the accelerator and power steering is effected. Lately it has not been starting all the time some times i have to wait 20 min. or longer until it turns over. It sounds normal when i am trying to turn it over does not bog down at all. And it also idles high.
Truck Hesitates And Hard To Start Purchased the truck a month ago and it didn't get driven much before it was sold. Truck hesitates when coasting downhill but doesn't seem to do it on level ground, has a hard time running when you try restarting it after it is hot, and also seems to idle to fast. Not sure if all of this is associated or not.
Ignition Module Keeps Blowing Hi I was searching around and found your site and can tell you guys know what you're talking about. I have worked on cars at a dealer for 15 years and know a lot about most things, but you always get a basket case now and again. This Bonneville keeps blowing the ignition module. It came to me and the owner said a shop had already replaced the ignition module and drove the car about 2 miles and it died. They then replaced the crank sensor and the car still wouldn't start. I got the car and checked the ignition module by doing tests for the 3x and 18x crank signal checked for power and ground at the module
Low Oil Pressure At Idle My Olds 98 Regency has low oil pressure after replacing the intake manifold. Is there a sensor that can cause this problem? Intake manifold, upper-lower gaskets,fluids, oil pressure switch, thermostat all replaced. Intake manifold failure, coolant everywhere, including the air cleaner box,parts replaced fluids flushed and replaced, currently low oil pressure light that go away when rpm is increased, could any other sensors be contaminated? Main issue is low oil indication.
Grand Prix CEL Flashing Hi. I have a 1997 Pontiac Grand Prix that i bought last week. It ran great no CEL ON. Hot a coolant flush, oil change and my husband did a tune up cause it was showing signs of needing one. New plugs and wires, He could not get one plug out so he left it. Went to get emissions test and computer wasn't ready. Still no check engine light on. Drove for 5 or 6 days no problems. Went back 2 days ago to get emissions and passed yesterday morning. CEL flashing.
2005 GMC Sierra A/C Blows Warm When coming up to a stop, the air conditioning will start to blow warm, then when I accelerate the vents will blow cold again. Whats' wrong with my truck?
Whine Noise in My 2008 Impala Question = Well.. Say I want to pass someone. I get into it, RPMs go up. And I hold it there for a minute. After i park it and let the car idle, I hear a, like a whine, or "power steering" whine, but its not the P.S. It won't do it when you turn. After letting sit and idle, if you rev a little, the engine whines, and gets louder. Any suggestions why my Impala is doing this? Thanks! After letting sit and idle, if you rev a little, the engine whines, and gets louder. Any suggestions why my Chevrolet Impala is doing this...
2005 Chevrolet Starter Wont Engage Replaced starter and battery. Car will not start when outside temp is cold. After it warms up it will start and run great. Key turns, lights work and all but car will not turn over. Why does my car. I was driving down the road and it died on me. It would not turn over, i check the starter and it wasn't engaging the fly wheel so i change it now it wont turn over. Question = i was driving down the road and it died on me. It wouldn't tun over, i check the starter and it wasn't engaging the fly wheel so i change it now it wont turn over. It sounds like it isn't getting no fire but cant tell.
Chevrolet Trailblazer Dies at Idle When i turn on my a/c and let it idle the rpm dips very low and almost shuts off until i rev it up again but if i let it sit there it shuts off, it does the same thing when i turn on the heat, other than that the engine is fine, but only when the a/c and heat get turned on it starts to die
Saturn SL2 SES Light i have a 2000 Saturn SL2. It has 171xxx miles on it has been running well. But all of a sudden the other day it would not accelerate past 15mph. The service engine light has been on but when we bought the car the previous owner said she had everything checked they just didn't reset the dash lights for the oil and SES light. But it has been consistently on.
My 2009 Pontiac Has a Clunk Clunk noise in my 2007 Chevrolet HHR or Pontiac G6. I have a clunk noise in the front end of my HHR. It happens when i am turning the wheel, and also when going over bumps in the road. Most of the time it is when going over a set of rail road tracks. I had the steering and struts checked at a local shop, but they said they did not see anything. Is there a common problem with these cars
Saturn Vue Check Engine Light Does my truck have the timing chain problem like i have read about the Chevy Traverse, Equinox, GMC Acadia and Buick Enclave.
Intake Manifold Gaskets Replaced I have a 2004 Chevy Impala LS with a 3800 6 cylinder Engine. It has 76000 miles on it and the check engine light was on. My mechanic told me that my radiator was never flushed and oil was mixing in with the radiator fluid. (Sounds to me like I had a bad head gasket). The repairs along with a serpentine belt replacement cost me over $1100 to get repaired. I started hearing a whining sound and I thought there was a bad bearing on the belt tension guide. The engine light comes back on two weeks later and it $625 to fix the EGR valve with an oil change. I asked them to check on the whining noise and the mechanic showed me was whenever the oil cap is removed, with the engine running, the whining stops. Says he never seen anything like that in the 20 years he been an ASE mechanic.
Check engine codes for transmission I had it scanned and the codes come up p2761, and p0748. Also it does not start sometimes. Can you please help with these problems, i absolutely love this car.
Transmission Makes Whine Noise 1999 Grand Am First, be sure to check the fluid level. Low fluid will cause this whine noise and shifting problems. To check fluid level on this transmission, you must go under the car, remove.
Passkey Cylinder Problem My 1999 Regal will not start. When I turn the key to start the car nothing happens. Is this problem the Passkey cylinder or the ignition key switch?
Malibu 2001 theft security Car Relearn procedure. Replaced the ignition cylinder because the key would not turn, and now it wont start..
2003 Pontiac Grand Prix Autozone scan code P0753 1-2 shift solenoid problem. We have asked others who say that it probably isn't the problem because they have never heard of one of those going out and it's probably a wiring issue.
Steering Problem on My 2009 Chevy I have a clunking noise in the front end and the steering. It happens when i am turning slowly like in a parking lot. Going forward gear or backwards does not change the sound. When i am driving and going around a corner or just pulling into my driveway i hear the noise.
Saturn Ion My car has a clunking in the front end when going over bumps or turning to the left and right. A mechanic did not find anything loose.
GMC Envoy Idle and Stalls Replaced the cam actuator solenoid. The truck still idles high then low and sometimes it stalls and dies out when coming up to a stop or turning at idle.
1995 Chevy Lumina Starts And Dies Unable to check codes. I replaced fuel filter, fuel pump and strainer. On a cold start the engine runs for about a minute then shuts off no sputter. Immediately try to start and it sputters and won't start. Wait about 1-2 minutes and it starts fine then dies after same time limit. If engine is revved up it chokes and dies. No signs of water in the fuel and it seems to have adequate fuel pressure. I have no FP gauge to check FP.
2005 Suburban Transmission Shifting My transmission is not shifting from 1st to second or third gear. Reverse is working fine. The check engine light is also on. What is wrong with my truck?
2004 Ford Taurus Wont Start I basically know the answer just need a confirmation. My neighbor helped me change my starter recently as I am disabled. Anyway the car would still only click and after reading some forums I decided that the battery cables were probably making a bad connection and should just replace the entire 2 cables. He said no and cut off a length of 1 cable and the car starts but he cut off what looks like a fusible link and he said it shouldn't even be on there and was N-rigged I told him I had bought the vehicle brand new and the factory must have done the N-rigging and even offered to take it to the nearest Ford dealer so he could argue with them. He declined.
Hyundai Elantra Overheating While my wife was driving, she heard a loud bang under the hood then water through the top of the hood. I looked at it hours later. The overflow reservoir was completely full. I checked all the hoses and couldn't find where the water was coming from. I started the car and no leaks. It didn't seem like the coolant was flowing but the car wasn't getting too hot after about 10 minutes. One fan came on. I touched the radiator cap and it was still very cool. I turned off the car and took the radiator cap off. No pressure. I added coolant then started to see steam coming up. I poured more coolant and it just flowed out of the radiator as fast as I can pour it.
Chevy Tahoe Rear Gate Ajar When i drive and go over a bump all the doors start to lock and unlock non stop. Sometimes it starts when I go over a bump in the road and sometimes it just starts when I am driving. It also says the lift gate is open.
Coolant Fans and Compressor The A/C compressor and the radiator fans will not come on. Checked for burned wires and connections. All seems good but still won't work. What can this problem be.
Chevy Battery Dead I have a 2002 Chevy Cavalier that had an inoperable charging system. I replaced the alternator and the battery and there was no change. I soon found out that the alternator was not getting it's start signal from the PCM. I know this because I saw a diagram on the charging system and the red and gray wire that make up the connector come straight from the PCM. The red one is the alternator start signal wire! The car ran perfectly other than the charging problem before I disconnected the PCM plugs to do a continuity test on those 2 wires.
GMC Clicking In Dash I Changed actuator motor for the a/c and heater door. Question = I hear a whirring and then a click click sound in my dash. The temperature control would change from cold to hot. I was told it was the actuator motor. I replaced it with a known good one. I took the Hvac1 fuse out to reset the motor but it still doesn't work. I took the motor off of the dash and moved the control knob from cold to heat but the motor didn't rotate. Also while I had the fuse out the whirring and clicking noise did not sound. But when it is put back in the sound comes back. Any help would be greatly appreciated.
Humming Noise In Front End My 2001 Chevy has an ABS light and noise in the front end. We have replaced both wheel hub bearing but the light is still on. What is wrong with my car?
Headlight Socket Burned The headlight on my Trailblazer burned the bulb and socket so i replaced it. No fuses blew. Will this repair last.
Ford Escort Hard to Start Stalls out unless i give it gas to clear it out. SES light is flashing. Seems like a fuel injector or idle control valve problem.
Fuel Gauge Goes to Empty The gas gauge in my 2006 Chevrolet Malibu goes to empty at times. My wife ran out of gas once. Is there a fuse or relay for this problem.
Battery Going Dead Replaced the alternator but still does not charge. Tested wires to the PCM. How can i be sure the computer is bad on my car.
Where is the Freon fill Port The A/C is blowing warm and i just want to know the exact location so i can add freon my self to the A/C system.
2003 Cadillac Won't Start Try to scan computer for codes but will not connect. Tried the theft relearn but did not help. Has new battery. Can I go to the Chevy Dealer?
Check Engine SES After Oil Change Got an oil change today with 5W 30 at the local Jiffy lube and a new intake air filter (not the main filter on the engine the one against firewall). Suddenly like 1 km away, the check engine light came on. Won't turn off. I reset the oil sensor according to owners manual.
My Car Has A Check Engine Light Service vehicle soon, check engine code P0442. The intake manifold gasket was replaced about 2.5 months ago. Question = About 2 weeks ago the service vehicle soon light came on, but it would clear when car was restarted. Yesterday, dash would not light up and auto head lights would not come on immediately after car was started, but everything would start working after a few seconds. Now various warning lights will stay on and gas gauge will not work after a start, but everything then starts working after a few seconds. Now the check engine light is on with a code of P0442. These problems do not occur each time the car is started. A different combination of head lights not working or warning lights occur each time.
2010 Suburban Alternator and Battery The voltage gauge in the dash of my truck goes up and down when driving. There is also a burning smell under the hood. GM dealer said that is normal function of charging system.
Pontiac Torrent Heater Blows Cold When turn the HVAC controls to defrost, floor and vent if fine. Temperature will not change to hot air, only cold. I removed the door motor and the little shaft is ...
Odometer and Gear Shift Question Car odometer and gear shift selector lights going out it is a digital read out and some times it just goes blank. I can not see anything else wrong all gauges and dash lites continue to work it is just the mileage
1997 Oldsmobile Intrique Overheated New motor overheated. Now they are telling us the motor is shot and we will need another one. Before the car died it had been driven about 15 miles on the highway and when she got off the highway it was not showing the temperature was hot
Oldsmobile Delta 88 Airbag Question Is there a separate sensor for the passenger side airbag on my 1998 Oldsmobile 88? In other words, if nobody is in the passenger seat does the dashboard airbag deploy anyway in an accident? Thanks. Answer: Unlike on todays newer AIRBAG systems, your car does not have a separate circuit to determine if an occupant is in the passenger seat. Anytime time there is a force sufficient to warrant airbag deployment, both airbags will deploy. This is assuming the system is functioning properly. If there were a malfunction, the warning light should be on the dash and have stored Airbag Trouble Codes. The module records data and system status before and after airbag deployment.
Code p0016 Truck is a Chevrolet Trailblazer. SES code p0016 and i am not too familiar with the adjustable cam timing on this 4.2l engine. Would appreciate some help. A common cause for code p0014 or p0106 on Trailblazers and GMC Envoy is the Exhaust Cam Actuator Control Solenoid.
Car Getting Bad Gas Mileage Checked the FPR and changed an O2 sensor on my Pontiac. Spark plugs and wires good along with ignition coils, but still getting 8 miles to the gallon and plugs are black.
Gas Leak Replaced the fuel pump and sender assembly on my truck, now fuel is spraying out under the hood. What could i have done to make this problem.
Astro Van Won't Start After replacing the water pump, timing chain and gears, i get code P0336 and the van will not start.
Rear Brakes I repaired the rear brakes pads and rotors on my 1998 Chevy Blazer and now they drag and get real hot. Caliper pistons and slides are lubed a move freely.
Starter and Brake Pressure Problem No pressure from brake master cylinder. Starter will turn the engine over. Back glass and rear wiper do not work. Chevy Malibu and GMC Jimmy.
Nissan Won't Start After replacing the engine in my 1998 Nissan the engine just cranks but will not fire. There is gas in the carburetor but it not going into the intake manifold.
Buick Lesabre PCM Bad A mechanic replaced the PCM on my Buick, it started and ran fine, but now won't start again. Why does the computer keep going bad?
2003 Buick Rendezvous Won't Start My truck won't crank sometimes when I turn the key. The security light is on. Also the interior lights will go on and off when i am driving.
2006 Chevy Cobalt DTC Code P0641 Question = The check engine light is on in my 2005 Chevrolet Cobalt 4 cylinder. Is this something to worry about. The car runs just fine and starts good. Any damage if keep driving like this. I am out of work and really cant take to a shop to tell me what is wrong, then sell me a bunch of parts and service. Thanks for any help. Answer: Any time a check engine ( SES ) light comes on the dash, the computer system is seeing a problem in one of the emissions or other systems.
Car Dies At Idle With Air Conditioning On I replaced battery, resonator, fuel pump, and fuel filter. Question: I replaced the battery, resonator, fuel pump, and fuel filter on my 2005 Chevrolet Malibu Classic. Still, the engine dies when I turn on the air conditioning. Engine does not die when A/C is off, but does seem to surge occasionally. Three different mechanics have looked at it, and none know what is causing the problem. Any suggestions? Could it possibly be that I need new spark plugs and/or wires?
Buick Anti-Lock After Pads Replaced Live Chat: Please. Today my Buick Century had a break rotor and break pads change, a complete new set. A few hours later I noticed that the anti-lock light stayed on while I was driving. What is the problem? my car is 1994. It is possible that when doing the brake job, they may have damaged an ABS wheel speed sensor or wiring to one of the front wheel speed sensors.
Oldsmobile 88 Dies Won't Start Live Chat: Yes, i have a 1998 Oldsmobile Delta 88 3800. Car was driving fine. All of a sudden stopped. Tried to crank it but, won't start. Its turning over very good but will not start. Changed fuel pump. Can you confirm you have fuel pressure? Yes, I pushed the button on the rail and fuel came out. Checked for sparks at the spark plugs it was good. Didn't check all the plugs. Did the fuel spray hard or just sort of come out? Just because there is fuel there, does not mean the PSI is high enough.
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