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7

Sounds like your oil pressure is dropping at low RPM, which could be one of the following: low oil level, a bad oil pump, low viscosity oil, or worn bearings. First step after checking the oil level is to check the oil pressure with a manual gauge.


5

The cat back is just that the exhaust pipe including the muffler from the catalytic converter to the end of the tail pipe. Seems odd to me, not impossible just odd that you would need to replace the entire exhaust system from the cat back to pass inspection. I see from your profile that you are from PA and road salt can deteriorate an exhaust in that ...


4

First, if it runs hotter during slower speeds (the 25mph-50mph you mention), I would think this is a sign that you're not getting enough airflow through the radiator. This might be a fan issues, but it might also be some other obstruction that prevents sufficient airflow. You said you hit a deer and had the radiator replaced as a result. I would check or ...


4

Follow the vehicle's designated maintenance schedule. If it says you should change the automatic transmission fluid at a mileage near or below 120k, then change it. If not, then don't. The manual for your 2004 Pontiac Vibe states: Change automatic transaxle fluid every 60,000 miles (100 000 km) if the vehicle is mainly driven under one or more of ...


4

The fuel pump combined with the fuel pressure regulator should take care of any air in the lines. If you don't like the idea of cranking the car continuously until it starts (it would take 3 cycles or so), then turn the key into the "on" position without cranking it. This causes the fuel pump to run, because it primes the fuel system in anticipation of ...


4

Just need to replace the master cylinder, the booster should be fine. The piston in the master cylinder is bad and is leaking against the booster. That's the only place for the fluid to come out.


3

Looks like oil - simplest place to start is to get the front jacked up, ideally on axle stands or a ramp to make it as safe as possible. Get a good maintenance lamp and just start looking for oil - the shine gives it away, even amongst the dirt you get on the underside of the engine. Check the drain valve for the oil pan/sump, and look for drips down the ...


3

You've got a fifth-generation W-body Grand Prix. So, possibly a Buick Regal, Olds Cutlass Supreme or Chevrolet Lumina from the same year will have what you need. Of course, your keys probably won't work with the donor cylinder(s). A dealer can probably get you new cylinders to match your keys. There are various online retailers, too, where you can get GM ...


3

Don't be discouraged by a new part not working. My family runs a shop, and we get defective parts all the time. There is a table located here that shows diagnostic steps you can take. It's for a 1999 model, but 1999-2001 are virtually the same (I own a 2001 G/T model).


3

This actually ended up being a very simple problem. Something so simple that I'm almost in disbelief. My car has been running nearly straight antifreeze.(I'd say about 90% anyway) Everyone I'd talked to locally has said it should run even cooler doing that... but they're wrong. I emptied my expansion tank(not the radiator itself) and filled it with ...


3

Why are you assuming that the fuse is only for the AC fan? It seems really strange that only one of the fans would have a fuse on its circuit. Replace the fuse, since you'll have to do it anyway - if the fan still doesn't come on, then start looking at other possible causes.


3

You should be able to replace the tubing. Most parts stores sell it by the foot. Just take in a piece of of to match up the size and get a few more feet than you think need.


3

Oil found inside the Cooling System is typically caused by leaking Intake Manifold Gaskets and sometimes the Intake Manifold itself is cracked/damaged. It is a very common issue with these vehicles. It's not a job I would recommend someone do at home unless you have the tools and experience to confidently perform the repair. Here is an example of what the ...


3

“Starting” a vehicle includes the starter motor, the ignition system, fuel system, security system and a flock of other considerations. Unable to “crank” or “turn over” the engine reduces the number of components to consider. Turn on the headlights then place the ignition key to start. Do the headlights dim at all? If not, it’s likely the solenoid ...


3

Looking at fuelly, the average MPG for a 2002 is 23.3. Only one of those vehicles is called out as being in the GTP trim but it keeps up with the average. Here are the details. 17.5 gallons x 23.3 mpg = 407 mile range. Changing the fuel pump on your GTP looks easier than many vehicles as the tank doesn't need to be dropped: ...


3

One easy way to determine this is to reset the odometer at each fill up. Assuming you fill the tank to the top, you can determine your average mpg by dividing the gallons added by the miles since last fill. Do this a few times when you would expect to be at 1/2 tank. Then to be safe, always fill up no later than 1/4 tank according to the known tank size.


3

If the engine is warm, the air flow through the heater core is off, and one side of the heater core isn't burning hot like the other, then there's a good chance your heater core has debris in it causing it to block. If your thermostat was stuck open, there's a good chance the engine wouldn't be able to come up to temperature especially on a cold day. If ...


2

May even be a failing oil pressure switch...


2

It can be done with a power source and a standard VOM. Apply appropriate power source to appropriate pins while listening for click and looking for the desired effect (could be presence vs. absence of voltage or continuity/lack of) on the VOM which would be attached to the appropriate pins. You'll want a repair manual to find out what to replace ...


2

Check this answer, looks they have a remote negative near the shock mount. Check the owners manual, you may find more details on this.


2

Hook your temp sender up to a meter and drop it in some boiling water. This should tell you if it's working or not. Personally, I'd just disconnect it until you get the issue figured out -- running the fans continuously isn't going to hurt anything, it'll just be loud.


2

You see, the problem with runnning with straight coolant--a don't know how that fad got started in the previous century--is that coolant has relatively little heat capacity; whereas water has very much (near tops) heat capacity--for which reason, the main coolant during summer driving is water, not antifreeze. The main purpose of commercial ...


2

Definitely sounds like the spark plugs or ignition coil to me. My father owns a mechanic shop in Boston and when my car was doing the SAME exact thing in the winter, he just replaced a certain spark plug and ignition coil that went bad and everything was all better. You won't know for sure without checking. If you know what burned out spark plugs will look ...


2

If the heater hose is hot going into the core, this means there is flow through it. If it wasn't getting flow through it, it wouldn't get very hot ... warm, maybe, but not hot. My suggestion here is it may be the blend door which is not functioning correctly. If you are unsure what the blend door is, it's the piece inside next to the HVAC unit which directs ...


2

Most cars can be "reset" by disconnecting the battery for 20 to 30 minutes. I would caution that this is going to reset your car's clock and make the OEM radio unit ask you for a PIN code before you can use it again. Make sure you have this info before you do this. You're also going to trigger an alarm if you take too long before disconnecting the battery ...


2

If you are having engine work done (where it has to be torn down or taken apart) have the shop do the oil change in conjunction with the maintenance. I suggest this because they may get contaminants into the oil from the work, such as antifreeze or gasket residue. If it is just other maintenance being done, such as suspension work, it really doesn't make a ...


1

A computer reset fixed the problem. I find this somewhat disconcerting that the computer could execute such ridiculous commands based off a turned key.


1

These parts are very rigid, which makes them delicate. You have to know where the clips are, and for most cars a putty knife or some kind of wedge will work. Once the clips are popped, you replaced any broken one, and reinstall. I can't speculate on the location of the clips for your particular vehicle, but you can usually tell by feeling around the part. Be ...


1

remove the door panel and reach inside to release the retaining clip for the linkage then the clip that retains the lock. install the new cylinder and clip attach the linkage.The part is available at an auto parts store for under $50. As a side not this kit from Auto Parts warehouse includes two locks for the doors but your ignition will still use your old ...


1

I had to do this recently, like Brian said you'll need a power source and a multimeter. Most relays have a wiring diagram printed on them and most automotive relays are 4 pronged. Two prongs will be your positive and negative power and the other two will be the bridge that is made. What I did, and this was a very very cheap method and suggest for possible ...



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