Popular questions

Question
the last set were Toy. coils/ ? lean operation ?? what is that...the last coil failed days after it was driven.
It is very possible that the quality control of those particular parts may not be what it used to be. It just depends on how many times you've had to replace it. Sometimes Parts can last for years and other...
Question
Car overheating and not starting
It is possible that your head gasket may be leaking. When this happens, the pressure in the cylinders of your engine leaks into the cooling system, and causing it to overheat. Another symptom of a bad head gasket can be...
Question
Spark plugs 1 and 5 are black, car is giving a multiple random misfire code, car has sat for a while 7 months ,maybe bad gas
Engine misfires can be caused by many different problems and are generally caused by either a spark or fuel issue or in some cases, a combination of both. Spark related problems generally will result from things like ignition coils, crankshaft...
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Where I could find the clips that hold the back seat cushion down on a 1999 Grand Prix GT?
Hello, thank you for writing in. Start by going to an vehicle upholstery shop to get an idea of what that exact piece is called, and what you can do about obtaining one. There are many types of clips, and...
Question
Bleeding brakes
If you are able to keep the master cylinder full and thus no air can be drawn toward the ABS pump and valving during brake bleeding, you can often get away without using a bi-directional scan tool to remotely actuate...
Question
How do I lock a door without a key?
Each of the doors can be locked from the inside of the vehicle, without the use of a key. To do so, push the lock tab (located directly above each door handle) forward, until it shifts into place. If the...
Question
Car not starting after starter replacement
There are multiple issues that can cause a no start. When dealing with a situation the next best step would be to have a qualified technician perform a starting/charging system inspection to check the battery and starter for proper operation....
Question
Check engine light stays on
Hello. In order to know why the light is on, I would need to know the codes from the computer. It can be anything for a computer issue to a bad gas cap. I usually scan the computer first to...
Question
Van loses power, engine misfires - 1990 Volkswagen Vanagon
First, you should check out normal tune-up items (plugs, wires, rotor & cap, etc.), then check ground straps from the engine to the chassis. Next, check the fuel injection system, since the air flow meter or coolant temperature sensor (the...
Question
I drove over an old railroad track on a back road and apparently scraped the differential pretty hard. Immediately After this happ
Hi Trey. Thanks for contacting us today. It's quite possible that when the truck bottomed out and hit that railroad track that the yoke or the drive shaft was bent or damaged. That would cause the type of noises you...
Question
Is a 1994 Jeep Cherokee safe to drive?
Hi there. Without performing an inspection, I could not determine if this vehicle is safe to drive. All SUV's can flip over during an abrupt high speed turn. In fact, all of these types of vehicles today come with this...
Question
Brake Lights don't work
If both of these features quit working at the same time, you may just have blown a fuse. If neither one of these are related, the problem may be two separate ones. The power locks are controlled by a...
Question
General Inspection or Individual Inspections
Hello. Most of the time the 150 point inspection is a visual inspection of most of the mechanical components of the vehicle. This would not be a complete diagnostic. The inspection may include scanning the computer for codes, but that...
Question
Starts and dies
It sounds like what you are describing is something related to a fuel supply issue, which may be related to low fuel pressure, faulty or dirty fuel injectors, a faulty or dirty idle air control valve (this relays information about...
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Rough idle an shakes when stopped
This may be a sign of a faulty MAP sensor as the vehicle responds adversely to a load put on the motor (i.e. putting it in gear, turning on AC or engaging the brakes). The Manifold Absolute Pressure (MAP) sensor...
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No acceleration
If this started happening right after being jumped then there may be an electrical problem. If the battery cables were hooked up backwards at any point then it may have blown a fuse. A mechanic would usually start by checking...
Question
Temperature Guage drops when blower on high.
When the heater is being used the heater blower blows air across the heater core to blow heat on the window for you. The heat is supplied by the engine coolant circulating through the heater core. The use will remove...
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HI I was driving home today and noticed while I was at a traffic light my oil light started to flicker.
Engine oil pressure may be below the requirement at idle. To determine that, temporarily install an external pressure gauge and verify that you have at least 5 PSI at idle, although you should compare against the pressure specification set forth...
Question
Car set on AC only.
When the climate control unit on your vehicle stops functioning and is stuck on one setting it is typically caused by a hardware failure in the unit. This module would need to be replaced in order to fix it. Unfortunately...
Question
While I am driving my car makes a loud knocking sound. I t may be coming from the engine I'm not quite sure.
The noise will be identifiable, and the origin pinpointed, if you request a vehicle noise diagnostic. Ticking noises are usually due to valve train problems and, in turn those problems can be caused by low oil pressure. Knocking, if from...
Question
Grinding noise shifting in reverse and clutch goes to floor
Hi there, thanks for writing in about your 1988 Pontiac Fiero. It sounds like the clutch is dragging and not releasing properly. The problem could be with the clutch itself (warped disc or pressure plate), or a problem in the...
Question
My clutch pedal is stuck to the floor. A while back I started hearing noise in my clutch when I pressed it. The car drive fine, th
Your vehicle uses a hydraulically operated clutch system. The first thing to do is check the fluid level in the master cylinder and check for leaks although leaks at the slave cylinder might not be apparent. Internal seal failures can...