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Rpms running too high
Hello. I suspect that the idle air control valve is faulty. The idle air control valve is supposed to smoothly adjust the engine's idle to the changing driver conditions, like stopping at a light. If it is malfunctioning, it can...
My car overheats after 20 minutes
If you car is overheating after 20 minutes of driving, I would first recommend checking to make sure that the cooling system is properly topped off with coolant. If your car is doing this continuously, I would recommend having a...
Codes po171, po174, po303, po741
First, I would like to thank you for your service. I am also a veteran. Lets look at each code and their meaning first. Code P0741 is for a problem in the torque converter clutch seal in the transmission and...
Car leaks power steering fluid
The power steering system consists of the pump, lines and rack and pinion. A leak can come from anywhere in this system. The best way to pinpoint the source is to clean everything off, put dye in the system, then...
Car overheating
The most common cause of overheating for other owners is the water pump and thermostat. The car would need to have a thorough cooling system check and a pressure test done to diagnose the what is going on. My best...
i ran out of gas with my 2000 seville cadillac and refueled, it rolls over but won't start, why?
In all likelihood, the fuel pump has failed. Fuel pumps rely on gasoline for lubrication as well as cooling. Run it dry and it can overheat. When you turn the key to the ON position without trying to start it,...
oil is leaking onto the MAP sensor...and is intermittently stalling
If you were told that the upper intake needs to be replaced then this may cause problems with the MAP sensor and the way the engine runs. A MAP sensor is very important to controlling the fuel strategy to the...
My a/c blower don't blow.
The blower is under the black panel you smack every time to get it going. You may need to pull the cover off and pull the carpet back and remove a bracket and module to get access to motor. The...
My 96 Cadillac Seville is running for about 30 mins and then my oil pressure lights comes on and says "stop engine". I've checked the oil and it's ok.
From what you've described, the problem sounds like you are loosing oil pressure to the engine and the light and noise are indicating that there is a problem. The fact that you are full of oil tells me that the...
Where is the shifter interlock solinoid located on 95 cadillac sls and can new part be purchased?
Hi there, There is normally a small tab that can be pried out with a screwdriver that is used to cover up the shift lock solenoid. I would recommend looking all around your shifter assembly for a small plastic tab...
It won't start.
The engine requires three things to run - Spark, fuel, and air. Unless there is a restriction in the air intake, air will almost always be present. fuel can be lacking for a number of reasons: 1. Bad fuel pump...
Serpintine belt might be out? Car isn't starting.
Although the serpentine belt does power multiple components on your Cadillac Seville, the electrical gauges are not part on that list to my knowledge. The alternator, which is typically driven by the serpentine belt does power those parts however. My...
Loss of power while driving the car after it gets moving. Steering also goes out. I shut car off and start it back up and it's fine.
Hi, thanks for writing in. There are a few components that can cause these issues. The easiest part to inspect for proper function is the drive belt(s). If these are slipping, stretching, or breaking they will slip and can cause...
My car is idling high and the brakes are stiff.
Follow the hose from your brake booster to where it hooks up to the throttle body air intake and look for it being loose or having a hose leak. This will fix the problem. If you need some assistance,...
Engine wont start
It sounds like you may have experienced some internal transmission damage. This vehicle is a front wheel drive car so the transmission is in the front of the vehicle rather than under the front seat. Due to the placement of...
A/C quit and won't turn on
Generally in this case it is either the blower motor or the blower resistor that has failed. The blower motor failing is a common issue. It can be replaced but the repair can be tricky. You may want to enlist...
Car quit and won't restart
The intake gasket on these engines are known to fail and you will get a large amount of unmetered air. A smoke test will reveal if the gaskets are leaking. If the intake gasket is leaking, the repair is extensive....
All lights on the trunk lid are out
The grounds for the fuel door and trunk items such as lighting and taillights share ground points G401 and G402. All of these wires are black in color. However, we would not suggest grounding or modifying vehicle wiring without access...
Reverse, courtesy, & license plate lights are out
Its very possible there is a ground issue as the only thing in common with all of these lights is ground G402.The ground wires meet up at a splice point prior to the ground point. To verify this, a voltage...
Blower motor randomly works
The blower speed is controlled by a final stage unit sometimes referred to as a blower resistor by an auto parts store. This is located on the passenger side of the heater box and has probably failed. A lot of...

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