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Grand Prix

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Question
My car wont get up pst 25-30 mph
Hi There, You are correct in that one of the main causes for a car to struggle to get up to speed is a clogged or failing catalytic converter. When the catalytic converter is clogged, this causes these gases to...
Question
Rear end grinding noise
Two possible causes of such noise are wheel bearings and a stuck brake caliper or seized sliding pins on the caliper torque plate. In difficult cases, remote wireless microphones, known as chassis ears, can be used to determine if the...
Question
Rough idle, p0300 code, running rich
Hi there. Let me refer you to this article explaining what causes the P-0300 OBD-II error code and possible solutions to resolve the issue. I believe reviewing this article will be very beneficial to you. Thanks.
Question
Car brakes
Hi there. It's quite possible that the noise you're hearing is caused by the wheel bearings that are either already worn out or beginning to fail. This typically sounds similar to the noise that metal to metal grinding of a...
Question
I would be drivin then the hand for the temp guague would drop and little then pick back up, it happens every 2 minutes
It is normal operation of the cooling system for the temperature to move up and down a little if you have electric fans. The cooling fan may not come on until the temperature in the engine reaches above 210 degrees...
Question
Charging system failure
It sounds like you may have a problem with a weak battery or potentially a failing alternator which will cause this light to come on. As you may know, the alternator is responsible for charging the battery while the engine...
Question
The starter off and on wont turn over when trying to crank the car.
Hello, thank you for writing in. Often when starters are installed they come with a shim. These shims need to be installed to help hold the starter at the proper angle. If the angle is off the gears may not...
Question
Power steering
This suggests your power steering pump may be failing or you have a leak elsewhere in one of the power steering lines. The [power steering]((https://www.yourmechanic.com/services/power-steering-fluid-is-leaking-inspection) system operates on very high pressurized hydraulic pressure (in some cases as much as 300...
Question
my car starts and dies right after startup before I gear into drive. it doesn't always just occasionaly.
Hi there. It's probably a good idea for you to have one of our mobile mechanics come to your location and complete a car starts then dies inspection first, before you attempt any repairs or try to diagnose the issue....
Question
Brake line broke
In theory, you could run the brake line up and over rather than under and around the motor, however depending on the tightness of the line you may run into pressurizing problems with the fluid. You will need to be...
Question
Reduced engine power 2004 Pontiac Grand Prix
Hi - the loss of power on your Grand Prix may indeed be the throttle position sensor or throttle body - as you suspect. Getting the problem codes which usually turns on the Check Engine light as well as forcing...
Question
ABS issue??
Hello, thank you for writing in. When you make a hard stop, the majority of the stress gets put onto the brake pads and the rotors. While other components can absolutely be effected, these are what we have designed to...
Question
hi i repaired the power steering return hose now the steering is real hard to turn when you slow down or stop
Hi there. Depending on how you primed the power steering pump and lines with fluid, it is probable that you have an air bubble stuck in the hydraulic lines which is causing your hard to steer issue. I would recommend...
Question
Catalytic converter issue?
Hi There, What you are describing sounds like you may have a clogged catalytic converter. The catalytic converter converts toxic exhaust gases into less harmful pollutants that are suitable to be expelled into the atmosphere. When the catalytic converter is...
Question
The ignition fuse keeps on blowing.
Hi there. If the fuse is blowing immediately when you turn the ignition key, then it is a sign of a short in the ignition system. The short could have been caused a loose or frayed wire that is going...
Question
Power steering is very stiff.
The noise is coming from the power steering pump. The noise is the veins in the pump are worn causing a scraping sound at high revolutions. I recommend replacing the power steering pump is there is no leaks and if...
Question
Engine starts to sputter at around 2k rpm when at normal operating temperature.
Hi There, It sounds like you may have a bad oxygen sensor. As you may know, when the engine is cold there is more fuel supplied to the motor that is gradually trimmed out as the engine warms up. If...
Question
Electrical issues when trying to start the engine.
Hi there. The corrosion on the wiring will cause an extra load on the battery causing the battery to drain fast and force the alternator to work harder. Depending on the speaker system that you have, the alternator may not...
Question
Buying a 2005 Pontiac Grand Prix off craigslist.
Hello....used car repair, maintenance, and restoration costs are highly dependent on the actual, as found, condition of the vehicle. To get a reasonably precise estimate, and also to protect yourself in the transaction, I recommend you request a pre-purchase vehicle...
Question
Only have reverse
Hello, This kind of reaction is often a sign of low transmission fluid or a faulty transmission control solenoid. As you know, automatic transmissions use pressurized hydraulic fluid to change gears. Every time a gear change is required, the car's...

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